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£247 Find cheap flights from London Heathrow Airport to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Philadelphia departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 29/6
Sat 6/7

Search hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Philadelphia.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Philadelphia.
In the last 7 days, travellers have searched 42,686,544 times on KAYAK, and here's why:

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Cheap flight deals from Heathrow to Philadelphia (LHR-PHL)

 
These are the cheapest deals for flights from Heathrow to Philadelphia currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Heathrow to Philadelphia

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Heathrow to Philadelphia.

Recent one-way flight deals from Heathrow to Philadelphia

Only flying one-way? Below are some of the best one-way flight deals from Heathrow to Philadelphia found on KAYAK recently.

Recent last-minute flight deals from Heathrow to Philadelphia

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Heathrow to Philadelphia.

Recent direct flight deals from Heathrow to Philadelphia

The latest deals for direct flights from Heathrow to Philadelphia so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Heathrow to Philadelphia

Find recent round-trip train or bus tickets from Heathrow to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
18:40 - 00:47LHR-PHL
35h 07m3 stops
10:29 - 16:00PHL-LHR
24h 31m2 stops
Wed, 19 Jun - Wed, 26 Jun
06:30 - 23:20LHR-PHL
21h 50m2 stops
06:17 - 06:30PHL-LHR
19h 13m2 stops
Tue, 18 Jun - Tue, 25 Jun
17:35 - 16:30LHR-PHL
27h 55m1 stop
18:35 - 06:30PHL-LHR
6h 55mdirect
£523Finnair
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Mon, 19 Aug - Thu, 19 Dec
20:25 - 13:40LHR-PHL
22h 15m1 stop
18:35 - 06:30PHL-LHR
6h 55mdirect
£536Finnair
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Mon, 19 Aug - Thu, 19 Dec
13:00 - 16:00LHR-PHL
8h 00mdirect
22:50 - 10:50PHL-LHR
7h 00mdirect
£553Iberia
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Wed, 28 Aug - Wed, 4 Sep
18:10 - 09:30LHR-PHL
20h 20m1 stop
13:38 - 12:10PHL-LHR
17h 32m1 stop
£589Iberia
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Fri, 21 Jun - Thu, 4 Jul
09:45 - 12:40LHR-PHL
7h 55mdirect
18:40 - 12:10PHL-LHR
12h 30m1 stop
£614British Airways
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Sat, 29 Jun - Sat, 6 Jul
12:30 - 15:25LHR-PHL
7h 55mdirect
18:40 - 12:10PHL-LHR
12h 30m1 stop
£616British Airways
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Fri, 28 Jun - Fri, 12 Jul
12:00 - 19:25LHR-PHL
12h 25m1 stop
20:40 - 13:25PHL-LHR
11h 45m1 stop
£629Aer Lingus
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Tue, 16 Jul - Mon, 22 Jul
13:25 - 19:25LHR-PHL
11h 00m1 stop
20:55 - 13:25PHL-LHR
11h 30m1 stop
£630Aer Lingus
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Tue, 23 Jul - Tue, 30 Jul
17:30 - 08:50LHR-PHL
44h 20m2 stops
Wed, 5 Jun
13:45 - 08:50LHR-PHL
48h 05m2 stops
Wed, 12 Jun
07:40 - 19:25LHR-PHL
16h 45m1 stop
£536Aer Lingus
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Tue, 18 Jun
13:25 - 19:25LHR-PHL
11h 00m1 stop
£566Aer Lingus
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Tue, 23 Jul
09:45 - 12:40LHR-PHL
7h 55mdirect
£594Finnair
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Sat, 22 Jun
09:45 - 12:40LHR-PHL
7h 55mdirect
£595Finnair
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Sun, 30 Jun
06:45 - 15:40LHR-PHL
13h 55m1 stop
£598British Airways
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Wed, 10 Jul
13:40 - 16:35LHR-PHL
7h 55mdirect
£609Iberia
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Tue, 18 Jun
08:10 - 19:55LHR-PHL
16h 45m1 stop
£639British Airways
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Sat, 29 Jun
12:30 - 15:25LHR-PHL
7h 55mdirect
£689Iberia
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Mon, 17 Jun
09:45 - 12:30LHR-PHL
7h 45mdirect
13:39 - 06:15PHL-LHR
11h 36m1 stop
£599Finnair
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Tue, 4 Jun - Tue, 11 Jun
10:05 - 19:02LHR-PHL
13h 57m1 stop
13:39 - 06:15PHL-LHR
11h 36m1 stop
£604Finnair
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Tue, 4 Jun - Tue, 11 Jun
06:45 - 19:25LHR-PHL
17h 40m1 stop
10:30 - 18:20PHL-LHR
26h 50m2 stops
£866Aer Lingus
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Tue, 4 Jun - Fri, 7 Jun
06:50 - 17:29LHR-PHL
15h 39m2 stops
15:59 - 09:35PHL-LHR
12h 36m2 stops
£920United Airlines
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Mon, 3 Jun - Wed, 19 Jun
06:10 - 13:05LHR-PHL
11h 55m1 stop
22:30 - 10:30PHL-LHR
7h 00mdirect
£921Iberia
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Tue, 4 Jun - Thu, 4 Jul
06:15 - 13:05LHR-PHL
11h 50m1 stop
19:40 - 07:45PHL-LHR
7h 05mdirect
£948Iberia
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Fri, 31 May - Mon, 3 Jun
08:30 - 21:48LHR-PHL
18h 18m1 stop
15:59 - 08:20PHL-LHR
11h 21m1 stop
£952United Airlines
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Sat, 1 Jun - Tue, 4 Jun
09:45 - 12:30LHR-PHL
7h 45mdirect
19:40 - 07:45PHL-LHR
7h 05mdirect
£964British Airways
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Sat, 1 Jun - Mon, 3 Jun
09:45 - 12:30LHR-PHL
7h 45mdirect
22:30 - 10:30PHL-LHR
7h 00mdirect
£967British Airways
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Sun, 2 Jun - Tue, 2 Jul
07:40 - 16:05LHR-PHL
13h 25m1 stop
18:25 - 11:10PHL-LHR
11h 45m1 stop
£1,173Aer Lingus
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Mon, 3 Jun - Tue, 2 Jul
13:10 - 17:30LHR-PHL
8h 20mdirect
18:35 - 06:30PHL-LHR
6h 55mdirect
£492British Airways
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Tue, 29 Oct - Tue, 5 Nov
13:00 - 15:55LHR-PHL
7h 55mdirect
22:50 - 10:50PHL-LHR
7h 00mdirect
£497American Airlines
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Tue, 17 Sep - Tue, 1 Oct
13:10 - 17:30LHR-PHL
8h 20mdirect
18:35 - 06:30PHL-LHR
6h 55mdirect
£498British Airways
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Mon, 28 Oct - Mon, 11 Nov
13:10 - 17:30LHR-PHL
8h 20mdirect
18:35 - 06:30PHL-LHR
6h 55mdirect
£500British Airways
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Wed, 30 Oct - Thu, 7 Nov
13:40 - 16:35LHR-PHL
7h 55mdirect
18:30 - 06:40PHL-LHR
7h 10mdirect
£553Finnair
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Wed, 2 Oct - Tue, 22 Oct
13:10 - 16:30LHR-PHL
8h 20mdirect
18:35 - 06:30PHL-LHR
6h 55mdirect
£554Finnair
Find Deal
Thu, 14 Nov - Mon, 18 Nov
09:45 - 12:40LHR-PHL
7h 55mdirect
22:30 - 10:30PHL-LHR
7h 00mdirect
£651Iberia
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Thu, 27 Jun - Thu, 4 Jul
12:30 - 15:25LHR-PHL
7h 55mdirect
19:20 - 07:45PHL-LHR
7h 25mdirect
Tue, 25 Jun - Thu, 4 Jul
09:45 - 12:40LHR-PHL
7h 55mdirect
22:35 - 10:30PHL-LHR
6h 55mdirect
£682Iberia
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Sun, 30 Jun - Sun, 7 Jul
09:45 - 12:40LHR-PHL
7h 55mdirect
22:35 - 10:30PHL-LHR
6h 55mdirect
Fri, 28 Jun - Fri, 5 Jul

Flights from Heathrow to Philadelphia - Travel Insights & Trends

Get data-powered insights and trends into flights from Heathrow to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from London Heathrow Airport to Philadelphia?

The average price of all flights from London Heathrow Airport to Philadelphia clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Philadelphia on a Tuesday and more expensive on a Sunday. On your return trip to London Heathrow Airport, you should consider flying back on a Sunday, and avoid Wednesdays for better deals.

What is the cheapest month to fly from London Heathrow Airport to Philadelphia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from London Heathrow Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London Heathrow Airport to Philadelphia is November, where tickets cost £498 on average. On the other hand, the most expensive months are July and August, where the average cost of tickets is £679 and £666 respectively.

How far in advance should I book a flight from London Heathrow Airport to Philadelphia?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from London Heathrow Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from London Heathrow Airport to Philadelphia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 28 days before departure.

Which airlines provide the cheapest flights from London Heathrow Airport to Philadelphia?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, TAP AIR PORTUGAL offered the best one-way deal for that route, at £530. KAYAK users also found London Heathrow Airport to Philadelphia return flights on Finnair from £523 and on American Airlines from £524.

Which airlines fly direct between London Heathrow Airport and Philadelphia?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from London Heathrow Airport to Philadelphia.
There are 2 airlines that fly direct from London Heathrow Airport to Philadelphia. They are American Airlines and British Airways. The cheapest airline for this route is British Airways, with the best one-way deal found costing £443. On average, the best prices for this route can be found at British Airways.

How many flights are there between London Heathrow Airport and Philadelphia per day?

Each day, there are 7 direct flights that take off from London Heathrow Airport and land in Philadelphia, with an average flight time of 7h 55m. The most common departure time is 13:00 and most flights take off in the morning. Each week, there are 49 flights and there are the same amount of flights each day 7.

Which cabin class options are there for flights between London Heathrow Airport and Philadelphia?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from London Heathrow Airport to Philadelphia take?

Direct flights take on average 7h 55m to travel the 3,533 miles between London Heathrow Airport and Philadelphia.

What’s the earliest departure time from London Heathrow Airport to Philadelphia?

Early birds can take the earliest flight from London Heathrow Airport at 09:45 and will be landing in Philadelphia at 12:45.

What’s the latest departure time from London Heathrow Airport to Philadelphia?

If you prefer to fly at night, the latest flight from London Heathrow Airport to Philadelphia jets off at 13:40 and lands at 16:35.

Good to know - Cheap tickets from London Heathrow Airport to Philadelphia

Low season

January

High season

August

Cheapest flight

£247
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (22% more expensive on average)
Flight from London Heathrow Airport to Philadelphia

When to book flights from Heathrow to Philadelphia

Are your dates flexible? Find out the best times to travel from Heathrow to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Philadelphia flights

  • Which airline on this route is good for Unaccompanied Minor travel?

    Iberia is a great airline for Unaccompanied Minor travel services as they not only guide children between 5 and 11 years, which is mandatory, but they also extend the service to young flyers between 12 and 17 years. This offers great peace of mind for parents as children are collected at London Heathrow Airport (LHR), monitored during flights and stopovers and dropped off with the appropriate guardian at Philadelphia International Airport (PHL).

  • How can I guarantee a culturally-appropriate meal on my flight?

    If you book with Qatar Airways, you can guarantee a delicious, nutritious and appropriately-prepared religious meal when booked from the Special Meals Menu 24 hours ahead of flight time. This will include Kosher and Muslim meals as well as Jain and Hindu. You can also get the meals in vegan and vegetarian variations.

  • Do the airlines on this route allow service dogs to travel with their owners?

    You will have no hassle getting your service dog in the cabin with any of the airline carriers servicing this flight. However, the animal will need to be harnessed for the duration of the flight. You will also need to ensure you book it in at the same time as your ticket booking, provide a valid training certificate and a clean bill of health.

  • How do I book Mobility Assistance from my airline?

    Airlines will request that you book in your Mobility Assistance needs 48 hours before take-off by filling out a medical request form to help them prepare for your needs. British Airways arranges a pre-determined meeting spot in the airport, guides you through Security, boarding, and luggage or mobility devices storage. During the flight, there will be crew to assist with explanation of safety instructions, mobility to and from restrooms and assistance with food packaging. No airline will administer medication. 

  • What is the cheapest flight from London Heathrow Airport to Philadelphia?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Philadelphia was £315 for a one-way ticket and £660 for a return.

  • Which airports will I be using when flying from London Heathrow Airport to Philadelphia?

    When flying out of London Heathrow Airport you will be using London Heathrow. You will be landing at Philadelphia, also known as Philadelphia.

  • Which airlines offer Wi-Fi service onboard planes from London Heathrow Airport to Philadelphia?

    American Airlines, KLM, Virgin Atlantic, Air France, and Delta offer inflight Wi-Fi service on the London Heathrow Airport to Philadelphia flight route.

  • Which aircraft models fly most regularly from London Heathrow Airport to Philadelphia?

    The Airbus A350-1000 is the aircraft model that flies most regularly on the London Heathrow Airport to Philadelphia flight route.

  • Which airline alliances offer flights from London Heathrow Airport to Philadelphia?

    oneworld is the only airline alliance operating flights between London Heathrow Airport and Philadelphia.

  • On which days can I fly direct from London Heathrow Airport to Philadelphia?

    There are direct flights from London Heathrow Airport to Philadelphia on a daily basis.

  • Which is the best airline for flights from London to Philadelphia, Finnair or JetBlue?

    The two airlines most popular with KAYAK users for flights from London to Philadelphia are Finnair and JetBlue. With an average price for the route of £566 and an overall rating of 7.7, Finnair is the most popular choice. JetBlue is also a great choice for the route, with an average price of £477 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Philadelphia with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Philadelphia

  • Looking for a cheap flight from Philadelphia to London Heathrow Airport? 25% of our users found flights on this route for £641 or less one-way and £583 or less round-trip.
  • To get to London Heathrow Airport (LHR) with public transportation, you can find the Piccadilly tube line heads straight to the airport and stops at the tube stops based in Terminals 2, 3, 4 and 5. The airport is close to the city and a London cab will also be a convenient way to get there.
  • American Airlines frequently services this route at good prices. They are also the global leader in green aviation, making them a sustainable choice. They aggressively keep up with changing technology and are determined to net zero carbon by 2050.
  • Domestic pets under 6 kg can enjoy flying in the cabin alongside you as opposed to travelling in the hold if you book with British Airways. Ensure the pet is in a solid, waterproof container with good ventilation, has an inoculation record and a microchip.
  • If you're travelling to Philadelphia with a baby, most airlines will charge you just 10% of a normal air ticket price if the child is under 24 months and can travel on your lap during the flight. However, American Airlines does not charge for the baby at all.
  • When you land at Philadelphia International Airport (PHL), you will find the Regional Rail Airport Line train service. This train runs straight from all the airport terminals into the city centre, stopping in the centre as well as University City and Temple University.
See more tips

Prefer to fly direct from London Heathrow Airport to Philadelphia?

Find which airlines fly direct from Heathrow to Philadelphia, which days they fly and book direct flights.

Direct departures

London Heathrow to Philadelphia

Monday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Tuesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Wednesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Thursday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Friday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Saturday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Sunday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

See more direct flights

Direct returns

Philadelphia to London Heathrow

Monday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Tuesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Wednesday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Thursday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Friday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Saturday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

Sunday

Aer Lingus, American Airlines, British Airways, +4 more

Aer Lingus, American Airlines, +5 more

See more direct flights
See more direct flights

Top 5 airlines serving from Heathrow to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying from London to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.7
FinnairOverall score based on 1372 reviews
6.9Food
7.8Boarding
7.0Entertainment
7.5Comfort
8.2Crew
Airline reviews

The wine was low quality Finnair label stuff in small bottles and only one small bottle each. Embarassinng. A competing airline served me two generous glasses of a nice South African Shiraz from regular wine bottles, a Beck's beer, and a generous Dewar's White Label on the rocks. Cabin service was good and polite, plane interior was beautiful, but cramped.

6.0 GoodAnonymous, May 2024TLL - HEL
Read more about Finnair reviews

The wine was low quality Finnair label stuff in small bottles and only one small bottle each. Embarassinng. A competing airline served me two generous glasses of a nice South African Shiraz from regular wine bottles, a Beck's beer, and a generous Dewar's White Label on the rocks. Cabin service was good and polite, plane interior was beautiful, but cramped.

All good- I love BA and the professionalism of the crew and pilots.

Great flight- smooth, nice crew, nice clean aircraft, departed a little late but arrived 10 early.

It was listed on my ticket as Finnair but there was no indication that the flight was Finnair. In fact the number was even different. There were no employees there until exactly 2 hours before so we had to wait in line at Iberia and hope

I booked the flight with Finnair, which made the arrangements for downloading a boarding pass unnecessarily complicated. I wouldn't do that again. Instead I'd book direct with AA.

Flight ok, but me and other two passengers didn’t have connection with the entertainment in our seats. So, no movies, no games, no music… for 9 hours. The crew just told us that there’s nothing they can do but I noticed during the flight that there were empty seats, so they could have offered to us to change seats. Customer service could be better.

Had a nice flight to London on BA will fly with them again in the future

Finnair cancelled my flight 12 hours prior to leaving for Helsinki. They stated there were mechanical problems. I had to scurry around to find a new flight that would meet my needs for arrival in Helsinki. Luckily I was able to find alternate transportation through Lufthansa/United.

I’m very disappointed, to fly into an airplane for 10 straight hours, and not having a TV even though when I put the ticket I was told that I will have entertainment for the TV. Very disappointed.

Helpful steward. Allowed me to move to some empty seats and I was able to get some sleep. He also had milk for my tea. Americans don’t realise that cream or half and half ruin tea.

If the flight is delayed, get the delay timing right and don’t have people standing in line ready to board for almost 2 hours because you keep pushing it back. Also, don’t have your flight crew say they are sorry when they clearly don’t care, make no efforts to speed up anything and then turn around and are rude to customers when they don’t “move fast enough” to put up tray tables and seat backs.

I was not expecting much as i was not in a premium cabin. I was pleasantly surprised that the seat in economy plus was spacious and food was ample. Party of 5 with 2 parents and 3 kids.

Outstanding in all respects. Early boarding left early arrived early. We were in business class, so was perfectly fine.

The flight and boarding were easy peasy. I was traveling with my 4-year-old, so a smooth boarding experience was especially appreciated. My only piece of feedback is really about where our gate was in O'Hare. They've shoved four gates into a tiny corner of the B terminal and there isn't early enough room or seating for everyone. Not United's problem, but did dent the overall experience.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

I really do not like the basic in basic economy.

There was no screens on board AND the WiFi didn’t work. My seat was broken and couldn’t recline so I couldn’t even sleep. The flight attendants didn’t offer anything to make it more comfortable. It was such an old cramped plane, when the person in front of me reclined I couldn’t even open my tray table. All the United ads talk about guaranteeing everyone gets a screen!

The Wi-Fi was unavailable on this flight for some reason.

On time take off…US cabins look tired and need of refresh!

Marked by flight delays on all segments of the trip. Food in first class cabin was mediocre and overhead cabin storage was not adequate. Overall, the premium charge for first class cabin was poor and over hyped. This will be our last flight with UA.

Plane could have been cleaner. There were many crumbs and crud around the seat mounts.

the room on the plane was good but that is because flight not sold the other three seat and I had room. the food in terrible.

First the price I paid was excellent, my flight was full, but my seat was roomy. The one downside to the experience was they had games on the entertainment console. The guy behind me poked at my head about half the flight. I hope they get rid of this feature.

There were a lot of empty rows. As a single passenger I should not have been seated with 2 others. The WiFi didn’t work. The Kosher meal was awful.

They should. Heck planes more often not when they are suppose to be leaving causing delays

They lost my baggage on my connecting flight and we’re an hour late so I nearly missed it

Thankfully not a full flight so although my headphone jack wasn’t working 100% on my window seat, I was able to move to the aisle seat. Food was fine, nothing great but tasty enough. Crew were friendly and made enough rounds. Always have a decent experience with Aer Lingus

Crew was fantastic got lovely food and plenty of water. Entertainment was good. Never had to ask for anything. Left on time and got to Seattle early. Luggage did not take long either.

Great hospitality and service! Seats are better cushioned then some

Great hospitality and service! Seats could always be cushioned better.

Ability to select seating would be nice. We were family of three and they had us seated back to back and one of us on the other side of the plane??? That is pretty goofy. Especially when tickets were placed two months in advance.

It was not Iberia. It was with United. It was great!!!

We had a seat that would not function. No Wifi or inflight entertainment was available. Food was very poor. Attendants were very accommodating and apologized for the problems.

They offered several meals and snacks, the crew was very friendly and kind. There was a broad selection of movies, shows, and games. I was impressed!

My son and I are 193 cm tall. We had reserved and paid for seats with extra leg room towards the front of the cabin. The day of the flight, we learned that Iberia had changed aircraft. We were assigned regular seats way back in the cabin. When we landed from our first leg we spoke with agents at the gate and we were told that they couldn’t improve our seats because the flight was full.

Our flight was delayed by 2-hrs but I understand it was beyond the scope of the crew members

Booked with Iberia but flight was with Level. This switch of airlines was not published anyware and I was not made aware. Service was horrible, attendants were rude and nowhere to be found. Interior of plane was disgusting and dirty, trash on the floor, bathrooms were dirty (probably because flight attendants were not collecting trash from passengers). I have never encountered this on any other flight or airline. A public bus or metro in Los Angeles is 10 times cleaner. Had I known this was not an Iberia flight I would not have booked this tickets.

Other than a late takeoff (not British Airways fault) and some delays with baggage, it was a terrific flight. The crew in business class was superb and the seat and accommodations clean and modern. Could not have asked for more.

Iberia subcontracted the flight out to Level (?). I would never fly Iberia/Level ever again. Old planes with no tv’s or wifi. Barely edible food. Small seats. 10/10 don’t recommend.

I paid for premium economy but BA oversold the seats and we ended up being downgraded. Not acceptable given how much we paid for the flight. We were also separated to 2 different areas so not only did we not get the service we paid for, we didn’t even get to sit together. I’m not happy at this treatment by BA because of corporate greed.

My worst flying experience so far. This flight was delayed a total of 42 hours and diverted to New York before it was finally cancelled. It was delayed 4 and a half hours in London. As we were scanning our boarding passes at the gate they advised that the flight was being diverted to JFK since the delays caused us to missed the open hours for Charlotte international customs and immigration. We were assured multiple times by airport personnel, flight attendants, and the Pilot that we would land at JFK go through customs and immigration and then reboard the plane to fly to Charlotte in the same night. When we landed in New York the pilot advised us as we were retrieving our carry on luggage that we were delayed till 10am the next morning and to see guest services to get a room for the night. During this time I had to purchase a room for a family member in Charlotte which drove over 4 and a half hours to pick us up from Charlotte. This could have been avoided if American Airlines had been up front about the delay. Then after standing in line for over 2 and a half hours at guest services we were taken by taxi to a hotel 30 minutes out of the way. Luckily I looked for other flights that night and found one at 8 am to get on. The initial flight which we were scheduled to fly to charlotte in was delayed 12 more times and was finally cancelled 42 hours after it was supposed to land. I am unaware of what happened to the guest that were supposed to fly on the flight after we were placed on another flight but 42 hours in delays for a direct flight is absolutely ridiculous.

Is it American Airlines or British Airways? This is so confusing. I got it from Portugal.

Appreciate free wine and entertainment plus good meals. Also leg room

Really quick check in and security at Heathrow Terminal 5. Staff on board were lovely and very friendly. Could have provided a few more drinks on the flight but they were available at the back of the plane.

I like the food this time compared to my departure. I’m seated at the isle so it’s comfortable but I have to pay $124 for seat selection

Flight delayed an hour due to plane maintenance issues after getting in line to board. Issue was plane galley ovens which eliminated hot meals for overseas flight. Cold selections were limited due to availability. Drink and meal service (already an hour delayed) was very slow. Upon arrival in Nashville, had to sit at gate for about 15 minutes before disembarking with no explanation. Local police then boarded plane as we were disembarking so maybe that was the issue.

Boarding good. Seats uncomfortable when lie flat. Food was awful. Tasted stale and chicken was dry. No live tv or flight map. Had to pay for internet.

Poor technical details on this plane. 1) There was no WiFi on an 8 hour long-haul flight. So no work could be done. That's below the standard expected for airlines these days. 2) The power outlet at my seat was busted and not working. 3) The headphone jack was loose and I had to keep adjusting my headphones to get good reception, or when it slipped out. - The flight was delayed to due mechanics. Sometimes this can't be avoided, I understand, and it's a big inconvenience to arrive that much later when traveling across time zones (then arriving at 4am from the prior time zone). - Also unique to this flight, the northern lights were visible on the right side of the aircraft, but I only found out after we landed (b/c again no wifi). I understand there are considerations about people being out of their seats to look, but I feel extremely disappointed and resentful that I wasn't told so that I could have a chance to look at this probably once-in-a-lifetime cosmic event from a view in the sky. - Flight crew was otherwise friendly and helpful.

I would have preferred something lighter for the second meal. Maybe a small sandwich .

They cancelled our flight the morning of departure at 4:30am.

Book cheap flights from London to Philadelphia

Cheapest flights to Philadelphia from London found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from London to Philadelphia found on KAYAK in the last 72 hours.
5/6Wed
2 stops
44h 20mLHR-PHL
£247
12/6Wed
2 stops
48h 05mLHR-PHL
£295
18/6Tue
1 stopAer Lingus
16h 45mLHR-PHL
£536
23/7Tue
1 stopAer Lingus
11h 00mLHR-PHL
£566
22/6Sat
directFinnair
7h 55mLHR-PHL
£594
30/6Sun
directFinnair
7h 55mLHR-PHL
£595
10/7Wed
1 stopBritish Airways
13h 55mLHR-PHL
£598
18/6Tue
directIberia
7h 55mLHR-PHL
£609
29/6Sat
1 stopBritish Airways
16h 45mLHR-PHL
£639
17/6Mon
directIberia
7h 55mLHR-PHL
£689

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Last minute flights from Heathrow to Philadelphia

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from London to Philadelphia that are departing in the next 10 days.
4/6Tue
directFinnair
7h 45mLHR-PHL
11/6Tue
multi-stopFinnair
11h 36mPHL-LHR
£599
4/6Tue
multi-stopFinnair
13h 57mLHR-PHL
11/6Tue
multi-stopFinnair
11h 36mPHL-LHR
£604
4/6Tue
multi-stopAer Lingus
17h 40mLHR-PHL
7/6Fri
multi-stopAer Lingus
26h 50mPHL-LHR
£866
3/6Mon
multi-stopUnited Airlines
15h 39mLHR-PHL
19/6Wed
multi-stopUnited Airlines
12h 36mPHL-LHR
£920
4/6Tue
multi-stopIberia
11h 55mLHR-PHL
4/7Thu
directIberia
7h 00mPHL-LHR
£921
31/5Fri
multi-stopIberia
11h 50mLHR-PHL
3/6Mon
directIberia
7h 05mPHL-LHR
£948
1/6Sat
multi-stopUnited Airlines
18h 18mLHR-PHL
4/6Tue
multi-stopUnited Airlines
11h 21mPHL-LHR
£952
1/6Sat
directBritish Airways
7h 45mLHR-PHL
3/6Mon
directBritish Airways
7h 05mPHL-LHR
£964
2/6Sun
directBritish Airways
7h 45mLHR-PHL
2/7Tue
directBritish Airways
7h 00mPHL-LHR
£967
3/6Mon
multi-stopAer Lingus
13h 25mLHR-PHL
2/7Tue
multi-stopAer Lingus
11h 45mPHL-LHR
£1,173

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London Heathrow Airport - Philadelphia Flights

Departure:

London Heathrow Airport (LHR)United Kingdom

Destination:

Philadelphia (PHL)United States

Return flight deals:

Philadelphia - London Heathrow Airport

Cabin classes:

£2,562
£1,600
£1,091
£485