SEA - LHR

£183 Find Cheap Flights from Seattle to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Heathrow departing on 15/10. 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

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to London, as well as popular online travel agencies
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Cheap Flight Deals from Seattle to Heathrow (SEA-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Heathrow 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.

Recent return flight deals from Seattle to Heathrow

KAYAK's recommended return flight deals from the most popular airlines that fly from Seattle to Heathrow.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Icelandair Logo
15:45 - 11:55SEA-LHR
12h 10m1 stop
Icelandair Logo
21:25 - 17:50LHR-SEA
28h 25m1 stop
£377Icelandair
Find Deal
Mon, 13 Oct - Fri, 17 Oct
Scandinavian Airlines Logo
16:20 - 09:20SEA-LHR
33h 00m1 stop
Scandinavian Airlines Logo
06:40 - 14:00LHR-SEA
15h 20m1 stop
£392Scandinavian Airlines
Find Deal
Wed, 1 Oct - Wed, 15 Oct
Icelandair Logo
15:45 - 20:20SEA-LHR
20h 35m1 stop
Icelandair Logo
21:25 - 17:50LHR-SEA
28h 25m1 stop
£435Icelandair
Find Deal
Wed, 1 Oct - Wed, 15 Oct
Icelandair Logo
19:00 - 20:20SEA-LHR
17h 20m1 stop
Icelandair Logo
21:25 - 17:50LHR-SEA
28h 25m1 stop
£437Icelandair
Find Deal
Tue, 23 Sep - Wed, 15 Oct
 Logo
08:00 - 06:55SEA-LHR
14h 55m1 stop
 Logo
08:40 - 18:36LHR-SEA
17h 56m2 stops
Tue, 14 Oct - Thu, 23 Oct
 Logo
13:45 - 11:50SEA-LHR
14h 05m2 stops
 Logo
08:40 - 18:36LHR-SEA
17h 56m2 stops
Wed, 1 Oct - Wed, 15 Oct
British Airways Logo
20:20 - 13:40SEA-LHR
9h 20mdirect
British Airways Logo
16:30 - 18:20LHR-SEA
9h 50mdirect
£505British Airways
Find Deal
Wed, 1 Oct - Tue, 14 Oct
British Airways Logo
13:30 - 06:50SEA-LHR
9h 20mdirect
British Airways Logo
09:25 - 11:10LHR-SEA
9h 45mdirect
£540British Airways
Find Deal
Fri, 5 Sep - Tue, 23 Sep
Virgin Atlantic Logo
15:20 - 13:30SEA-LHR
14h 10m1 stop
Virgin Atlantic Logo
13:25 - 15:45LHR-SEA
10h 20mdirect
£566Virgin Atlantic
Find Deal
Thu, 7 Aug - Tue, 19 Aug
Iberia Logo
13:30 - 06:50SEA-LHR
9h 20mdirect
Iberia Logo
16:30 - 18:20LHR-SEA
9h 50mdirect
£572Iberia
Find Deal
Mon, 19 May - Thu, 29 May

Expert advice for your flight from Seattle to Heathrow

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Air France

Air France Premium offers SkyPriority benefits and meals by celebrity chefs on long-haul flights.


Economy includes complimentary champagne and personal entertainment screens for a luxe touch.

Finnair

Finnair's A350 offers lower cabin altitude and higher humidity for a better arrival feeling.


Economy Comfort offers extra legroom for a small charge, enhancing long-haul comfort.

Read more about Finnairby Gabriel Leigh
Virgin Atlantic

Economy Delight offers priority check-in and boarding, plus extra legroom for comfort.


Upper Class provides fully flat beds and access to exclusive lounges at Heathrow.

British Airways

Upgrade to premium economy for 18 cm extra legroom, wider seats, and priority boarding.


Check plane type for legroom: 79 cm on most, but 74 cm on A321neo planes.

KLM

Premium Comfort offers SkyPriority security and two checked bags, ideal for long-haul flights.


World Business Class features lay-flat seats with direct aisle access for comfort.

Read more about KLMby Blane Bachelor
Airports
SEA

Use the SEA Spot Saver for free expedited security screening. Book online or via the flySEA app for Checkpoints 2, 3, and 5.

Read more about SEAby Harriet Baskas
LHR

Take the Heathrow Express for a quick 15-minute ride to London Paddington. Book tickets in advance for the best rates.

Read more about LHRby Kirstie Pickering
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Air France and KLM

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Laura Ratliff

Laura Ratliff

Expert on Virgin Atlantic

Laura Ratliff

Laura Ratliff

Laura Ratliff is a New York-based writer and editor. She lives in downtown Brooklyn with her husband and their beloved dogs. Originally from Texas, she now considers New York City her home. She typically spends more than 200,000 miles on a plane each year and stays in plenty of hotels.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR

Kirstie Pickering

Kirstie Pickering

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Read more
Harriet Baskas

Harriet Baskas

Expert on SEA

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

KAYAK's insights & trends for Seattle to Heathrow flights

Get data-powered insights and trends into flights from Seattle to Heathrow 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 Seattle to London Heathrow Airport?

The average price of all round-trip flights from Seattle to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.
For Seattle to London Heathrow Airport, Monday is the cheapest day to fly on average and Thursday is the most expensive. Flying from London Heathrow Airport back to Seattle, the best deals are generally found on Tuesday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to London Heathrow Airport, 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 Seattle to London Heathrow Airport is March, where tickets cost £513 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £876 and £784 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Seattle to London Heathrow Airport, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

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

Low season

January

High season

August

Cheapest flight

£183
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flight from Seattle to London Heathrow Airport

When to book flights from Seattle to Heathrow

Are your dates flexible? Find out the best times to travel from Seattle to Heathrow 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.

Flights from Seattle to Heathrow: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Seattle to Heathrow 
GaryFlew with British AirwaysSEA-LHRAug 2024
I have always used British Airways for trips to London and have been happy with their service.
Verified travelerFlew with British AirwaysSEA-LHRApr 2024
Bring a sack lunch -- airport food was very expensive.

FAQs for booking Seattle to London Heathrow Airport flights

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

    In the last 3 days, the lowest price for a flight from Seattle to London Heathrow Airport was £245 for a one-way ticket and £504 for a return.

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

    Seattle airport is called Seattle/Tacoma Intl and the only airport in London Heathrow Airport is London Heathrow.

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

    Air France, Delta, American Airlines, Lufthansa, and United Airlines offer inflight Wi-Fi service on the Seattle to London Heathrow Airport flight route.

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

    The Boeing 787-10 Dreamliner is the aircraft model that flies most regularly on the Seattle to London Heathrow Airport flight route.

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

    oneworld, and SkyTeam are the airline alliances operating flights between Seattle and London Heathrow Airport, with SkyTeam being the most commonly used for this route.

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

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

  • Which is the best airline for flights from Seattle to London, Virgin Atlantic or Icelandair?

    The two airlines most popular with KAYAK users for flights from Seattle to London are Virgin Atlantic and Icelandair. With an average price for the route of £712 and an overall rating of 7.4, Virgin Atlantic is the most popular choice. Icelandair is also a great choice for the route, with an average price of £498 and an overall rating of 7.0.

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

    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 Seattle to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Seattle 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 Seattle to London Heathrow Airport?

    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 London Heathrow Airport with an airline and back to Seattle with another airline.

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

    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 London Heathrow Airport from Seattle 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 Seattle to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Seattle? 25% of our users found flights on this route for £362 or less one-way and £485 or less round-trip.

Prefer to fly direct from Seattle to London Heathrow Airport?

Find which airlines fly direct from Seattle/Tacoma Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to London Heathrow

Monday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Tuesday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Wednesday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Thursday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Friday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Saturday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Sunday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

See more direct flights

Direct returns

London Heathrow to Seattle/Tacoma Intl

Monday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Tuesday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Wednesday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Thursday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Friday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Saturday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

Sunday

Aer Lingus, Aeromexico, Air France, +9 more

Aer Lingus, Aeromexico, +10 more

See more direct flights
See more direct flights

Top 5 airlines serving from Seattle to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Seattle to London. 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 Seattle to Heathrow? 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.
7.8
KLMOverall score based on 1331 reviews
7.8Boarding
7.3Food
7.7Comfort
7.1Entertainment
8.4Crew
Airline reviews

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

8.0 ExcellentAnonymous, Apr 2025AMS - MAN
Read more KLM reviews

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

Overall very positive. Boarding was quick and organized. Cabin was clean and seats were reasonably comfortable. Cabin crew was excellent and the meals provided were also of good quality

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

I flew premium economy and this was a good option. Although the seats didn’t recline much, I was able to get some sleep with my head propped against the window. The food was good and the entertainment was wonderful The staff were very attentive and professional

Transfer at CDG to connecting KLM flight to Amsterdam was a NIGHTMARE. LONG WALKWAYS, NO MOVING WALKWAYS, POOR signage, Have to take a train & No staff visible to help navigate the maze. AVOID TRANSFER AT CDG AT ALL COST.

Good flight with KLM, friendly staff. Food was good, had much worse on other airlines. Selection of drinks also good enough for us. Entertainment was also good. The economy seats are ok and that’s it. For a 12 hour flight I think a little more comfort in the economy seats in pitch and softness would be highly appreciated by the customers and can makte the difference.

Good food. Excellent crew service. Clean aircraft. Narrow seats and isle.

There was fog in Amsterdam so many flights were delayed because of the weather. Air France knew that the flight would be delayed by two hours but still boarded the plane on time. Instead of letting the passengers wait at the gate we were crammed into the plane. It was uncomfortable. No refreshments were given. I couldn’t charge my devices onboard.

I did not fly by vergin atlantic from bangalore to vasco da gama

Your flight delayed at Heathrow n I almost missed my mother funeral.you idiots. I had to waste 10 hours in different airports. Thank your stars I'm not suing you.

Miami airport needs more thorough signage. It was a long walk from my transport point to the check in desk,

Flight took off an hour late. Had to stay on the tarmac for half an hour after landing. Both annoying.

We had an unfortunate experience where we had to leave the aircraft after boarding, shortly before the scheduled takeoff time, and re-board. The reason given was that a passenger felt ill and had to cancel their plans and therefor their luggage had to be found and removed.

We’ve used VA before many times the experience is always been good they have lovely staff and the food is always delicious.

Everything about the flight was amazing from check in to boarding entertainment was okay food we didn’t try.

Seats were old and dirty, for a long haul flight you expect to be able to recline and for the av to work properly. Choice for vegans was fruit….

The Virgin Atlantic crew was very good. However, the equipment was OK, the seats were OK, but her bags did not arrive with me. Two bags showed up a day later and I’m still waiting for my third back.

The crew was very good. However, the equipment was a bit dated. Some of the electronics were not working. To top it, three bags didn’t arrive with me. Two of them were delivered a day later. I’m still waiting for the third bag, I was so looking forward to this virgin Atlantic flight, but, I am disappointed.

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

Smooth efficient airline. Think they should have their own bag drop as the queue took 30mins to bmscan and drop

Good. Lacking overhead bin space. No food offered but you can order online or in flight and pay for snacks.

No food was served for 7.5 hrs flight. When our flight changed to other airlines due to wether issue, our seats booked with no checked in luggage when I already payed for. We end up to pay 90 euro per suitcase.

The flights were in time and the bags arrived. well done

Booked with Kayak… Economy Class it said. I had filtered for 1 checked bag. Get to boarding and it says I have Economy Light w/ no checked bags. $136 each way for baggage now. Do not use smartfares.com. Very misleading and a terrible start to this trip.

Overall good. I was surprised how easy it was to get from plain to plain in such a short time. Food choices were not so great and quite expensive. Entertainment was ok. Flights were smooth.

Our three ski bags did not arrive and are still not delivered, one full day later. With one ski bag not traceable at all. I would not fly Iceland Air again.

Bad. Flights were late, by hours. No clear information was provided even until the delayed boarding time.

take snacks and food. purchase options in flight are not great

We travelled with Level, which is a subsidiary of Iberia. They mixed up all our seats, downgraded few from premium economy fo economy. The crew were not professional, they seem to be in a rush! Also some with an attitude

Paid for “extra room” selected seat. Wasn’t a benefit. Also was in aisle and was bumped almost every time attendants walked down aisle. Should have saved the assigned seat money and let them select.

Everything OK , except the plane left more than an hour late so I couldn’t participate in an excursion I had that morning in Brcelona

Flight from Madrid to Dakar had no onboard entertainment for a business class. Not even a single screen . That was disappointing. The WiFi only worked for the first 45 mins of the flight.

very good all round. staff, food, entertainment, punctuality all very good

The cabin crew were great very helpful and accommodating. We had a fellow passenger throw up next to us. The flight crew did an amazing job cleaning up and reseating us. We did question as to if he should have been let on the flight as his condition was likely self imposed.

online check-in was horrible and didn't work either way

Horrible. Paid for seats for my family. Iberia changed planes and never notified us that the seats we paid extra for did not even exist on the plane. We were randomly placed on the plane. Thankfully, we were seated together. Upon boarding, my youngest daughter was pulled from the line and they just arbitrarily changed her seat 7 rows back from the rest of the family. I had to wait at the gate while they tried to see us back together. One of the most uncomfortable small spaces on a plane I’ve ever experienced. When I called Iberia, they first told me that no mistake was made that the plane was never changed. Yet my receipt for my paid seats were for rows that did not even exist on this type of plane we were getting on. They said that they would reimburse my money and I would get an email, but I’ve never received any information or emails regarding a refund for the seats that I had paid extra for. Then when we arrived in Madrid, one of the pieces of luggage that we had checked in was damaged to the point that the handle that was stowed in to the luggage was broken off by the crew members handling the luggage. The crew on the plane was very nice, but as far as the rest of the experience, I would be very hesitant to ever use Iberia again.

The airline refused to board me because I showed up only 50 minutes prior to departure time, despite the fact that shortly before that, when I arrived at the airport still in time, they changed the terminal and I had to take a bus that took 20 minutes. Keep in mind that for some maintenance error I could not check in online like I usually do. Personnel at the airport was unable to let me in, customer care was beyond useless, the original airline operator (Iberia) was as useless as a toilet paper roll core in time of a wipe and all this uselessness made me waste my ticket, my reservations, my long time parking, food and most of all the joy of being with my family for the new year after working my bottom off even at Christmas. Am I happy? Come and ask me in person!

The airline refused to board me because I showed up only 50 minutes prior to departure time, despite the fact that shortly before that, when I arrived at the airport still in time, they changed the terminal and I had to take a bus that took 20 minutes. Personal at the airport was unable to let me in, customer care was beyond useless, the original airline operator (Iberia) was as useless as a toilet paper roll core in time of a wipe and all this uselessness made me waste my ticket, my reservations, my long time parking, food and most of all the joy of being with my family for the new year after working my bottom off even at Christmas. Am I happy? Come and ask me in person!

Cancelled flight minutes before boarding. Rescheduled flight was two days later

The flight attendants were EXTREMELY personable and appreciated the service, lights going off after dinner (probably the norm, but I haven’t flown evening overnight flights in a while). Thank you!

Business class seats were very dated on my plane. Very little storage, charging ports were not easily accessible, tv screen kept flopping away. Vegetarian food was disappointing: hardly any protein and severely under-seasoned. Crew was lovely.

The food was ok, but not great. They delayed boarding in Portland and did not enforce group boarding. But the crew was excellent, went above and beyond.

The food was pathetic. There wasn't much leg room and recline space for such a long flight. No tea/ coffee for a 2-3 hour connecting flight without purchasing! Really!?

Service was very good. Because I use a cane, I was allowed to use Priority Boarding. Biggest problem was extremely limited leg room in Economy class seats. For airplane food, it was alright.

Experience was good. Could have been better if we didn’t have to board an hour before the flight to ghana and miss relaxing time in the lounge. That process was very stressful

I was charged fees for check in bags at the airport by British Airways. It was supposed to be no charge but Kayak messed up my booking apparently and I had to pay for check in bags. I paid $175.

They took my carry on and checked it in. Staff in general at Heathrow are not friendly or helpful

The crew were professional and friendly. It was the most uncomfortable international flight I've ever flown. Crammed in passengers. No overhead space to put my bag. No leg room and unable to recline seat due to seats too close together so it upset passenger behind me! Upgrade price to get 2 inches of more space unreasonable.

Everything you need to know for your flight from Seattle to Heathrow

Information on your arrival and departure airports

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