How does KAYAK find such low prices on flights from London to Delaware?

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 to Delaware. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Delaware is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from London to Delaware?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London to Delaware with an airline and back with another airline. Visit our flight page for the latest deals!>/a>

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

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 from London to Delaware up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

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

In the past 3 days, the cheapest return tickets from London Heathrow Airport to Delaware were found on Air Canada (£336) and JetBlue (£446).

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

The earliest flight from London Heathrow Airport to Delaware departs at 10:05 , landing in Philadelphia at 12:50.

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

If you prefer to fly at night, the last flight from London Heathrow Airport to Delaware sets off at 13:30 and lands in Philadelphia at 16:25.

£253 CHEAP FLIGHTS from London to Delaware

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Best Delaware Flight Deals from London

Cheapest return prices found by our users on KAYAK in the last 72 hours

One-wayReturn

Philadelphia2 stops£336

Cheap Flight Deals from London to Delaware (LHR-USDE)

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Delaware that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent return flight deals from London to Delaware

Recommended return flight deals departing in the coming months from the most popular airlines that fly from London to Delaware.

Discover the best prices for you by selecting your travel dates on KAYAK.

Choose your dates

09:30 - 22:28LHR-PHL

17h 58m2 stops

15:20 - 10:00PHL-LHR

13h 40m1 stop

£336Air Canada

Find Deal

Tue, 6 May - Tue, 13 May

09:30 - 22:28LHR-PHL

17h 58m2 stops

11:05 - 06:30PHL-LHR

14h 25m2 stops

£341Air Canada

Find Deal

Tue, 6 May - Tue, 13 May

06:50 - 14:37LHR-PHL

12h 47m2 stops

10:35 - 06:30PHL-LHR

14h 55m2 stops

£392

Find Deal

Sat, 30 Aug - Sun, 7 Sep

08:25 - 18:42LHR-PHL

15h 17m1 stop

15:00 - 06:30PHL-LHR

10h 30m1 stop

£446JetBlue

Find Deal

Wed, 10 Sep - Wed, 24 Sep

08:30 - 10:19LHR-PHL

30h 49m1 stop

17:35 - 16:40PHL-LHR

18h 05m1 stop

£450Lufthansa

Find Deal

Sat, 3 May - Sun, 18 May

06:15 - 15:55LHR-PHL

14h 40m1 stop

13:35 - 06:15PHL-LHR

11h 40m1 stop

£451Finnair

Find Deal

Mon, 8 Sep - Tue, 23 Sep

08:30 - 16:00LHR-PHL

12h 30m1 stop

15:25 - 09:35PHL-LHR

13h 10m1 stop

£456

Find Deal

Mon, 15 Sep - Mon, 29 Sep

08:25 - 18:42LHR-PHL

15h 17m1 stop

15:00 - 06:30PHL-LHR

10h 30m1 stop

£457JetBlue

Find Deal

Mon, 8 Sep - Wed, 24 Sep

08:25 - 17:02LHR-PHL

13h 37m2 stops

13:35 - 06:15PHL-LHR

11h 40m1 stop

£463Finnair

Find Deal

Tue, 9 Sep - Tue, 23 Sep

14:05 - 22:06LHR-PHL

13h 01m1 stop

15:20 - 06:30PHL-LHR

10h 10m1 stop

£469Lufthansa

Find Deal

Fri, 16 May - Sun, 18 May

KAYAK's insights & trends for London to Delaware flights

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

Prices

Airlines

The cheapest time of day to fly to Delaware is generally in the evening, when retur flights cost £669 on average. Morning departures are around 29% more expensive than evening flights, on average. The most expensive time of day to fly to Delaware is generally in the morning, which is peak travel time and where the average cost of a ticket is £866.

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

The cheapest month for flights from London Heathrow Airport to Delaware is March, when tickets cost £482 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of return tickets is £705 and £702 respectively.

What’s the cheapest day of the week to fly from London to Delaware?

If your flying dates are flexible, you should consider flying to Delaware on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from London to Delaware. For your return ticket, we recommend flying on a Tuesday and avoiding Thursdays for the best deals.

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

To get a below-average price on the flight from London Heathrow Airport to Delaware, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Find deals

Low season	January
High season	July
Cheapest flight	£253

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly (22% more expensive on average)

Flight from London Heathrow Airport to Philadelphia

How does KAYAK find such low prices on flights from London to Delaware?
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 to Delaware.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Delaware?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Delaware 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 to Delaware?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London to Delaware with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Delaware?
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 from London to Delaware up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Everything you need to know for your flight from London to Delaware

Information on your arrival and departure airports

London (LHR)

Cabin class types available on flights to London

First Class flights from London Heathrow Airport to Delaware

Business Class flights from London Heathrow Airport to Delaware

Prem Econ Class flights from London Heathrow Airport to Delaware

Economy class flights from London Heathrow Airport to Delaware

£253 Find Cheap Flights from London to Delaware

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Delaware departing on 12/5. 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.

KAYAK searches hundreds of travel sites at once for deals on flights to Delaware

Best Delaware Flight Deals from London

Cheap Flight Deals from London to Delaware (LHR-USDE)

Recent return flight deals from London to Delaware

Recent one-way flight deals from London to Delaware

Recent last minute flight deals from London to Delaware

Recent direct flight deals from London to Delaware

KAYAK's insights & trends for London to Delaware flights

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

What is the cheapest time of day to fly to Delaware?

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

The cheapest month for flights from London Heathrow Airport to Delaware is March, when tickets cost £482 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of return tickets is £705 and £702 respectively.

What’s the cheapest day of the week to fly from London to Delaware?

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

To get a below-average price on the flight from London Heathrow Airport to Delaware, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

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

In the past 3 days, the cheapest return tickets from London Heathrow Airport to Delaware were found on Air Canada (£336) and JetBlue (£446).

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

The earliest flight from London Heathrow Airport to Delaware departs at 10:05, landing in Philadelphia at 12:50.

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

If you prefer to fly at night, the last flight from London Heathrow Airport to Delaware sets off at 13:30 and lands in Philadelphia at 16:25.

Good to know - Cheap tickets from London to Delaware

Low season

High season

Cheapest flight

FAQs - booking Delaware flights

How does KAYAK find such low prices on flights from London to Delaware?

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

What is the Hacker Fare option on flights from London to Delaware?

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

Everything you need to know for your flight from London to Delaware

Information on your arrival and departure airports