Title: £187 Flights from Seattle to London Heathrow (SEA to LHR) - Expedia.co.uk ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £187 Cheap Flights from Seattle (SEA) to London (LHR) [View £187 flight on Sun, 11 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SEA,to:LHR,departure:11/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:186.51&airProductToken=AQpkCjEI16YBEgQxNTUzGJIBIJgWKI6YggMw8piCAzhFQABYAWoFQkFTSUNyCExTN0oxTEJLCi8I16YBEgEyGJgWIOuJASi6moIDMMKeggM4RUABWAFqBUJBU0lDcghMUzdKMUxCSxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Heathrow Airport (LHR) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![Aer Lingus](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![Finnair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) - ![Virgin Atlantic](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:lhr,departure:30/09/2025TANYT&leg2=from:lhr,to:sea,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Seattle (SEA) to London (LHR) Prices were available within the past 7 days and start at £187 for one-way flights and £353 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Wed, 26 Nov - Fri, 5 Dec SEA Seattle LHR London £353 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:26/11/2025TANYT&leg2=from:LHR,to:SEA,departure:05/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:352.11&airProductToken=AQpiCi4IxZIBEgI1MhiSASCDDSj1lP4CMJaZ_gI4T0AAWAFqBFNBVlJyCE9MWDdLMUJWCjAIxZIBEgMxNzIYgw0g64kBKKKa_gIw8pr-AjhQQAFYAWoEU0FWUnIIT0xYN0sxQlYKYgowCMWSARIDMTU5GOuJASCDDSja8v4CMK_z_gI4T0AAWAFqBFNBVlJyCE9MWDdLMUJWCi4IxZIBEgI1MxiDDSCSASje9P4CMKz5_gI4T0ABWAFqBFNBVlJyCE9MWDdLMUJWEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Wed, 15 Oct - Tue, 10 Feb SEA Seattle LHR London £377 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:15/10/2025TANYT&leg2=from:LHR,to:SEA,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:376.02&airProductToken=AQpnCjEI1qYBEgQxOTEzGJIBIPISKO64-gIw8Ln6AjhUQABYAWoFTElHSFRyCE9MWDc2T0JBCjII1qYBEgQ0MDIwGPISIOuJASiOuvoCMNK--gI4VEABWAFqBUxJR0hUcghPTFg3Nk9CQQpnCjII1qYBEgQ2NjU5GOuJASDiMCjc4YQDMKzihAM4VEAAWAFqBUxJR0hUcghPTFg3Nk9CQQoxCNamARIENjgwMRjiMCCSASiG44QDMO3nhAM4VEABWAFqBUxJR0hUcghPTFg3Nk9CQRIKCAEQARgBKgJWUxgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sun, 5 Oct - Tue, 14 Oct SEA Seattle LHR London £382 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:05/10/2025TANYT&leg2=from:LHR,to:SEA,departure:14/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:381.32&airProductToken=AQplCjAIwYYBEgM1MTIYkgEgmF0ot8X5AjDwx_kCOEtAAFgBagVCQVNJQ3IIS0xYN1lMR1QKMQjBhgESAzg2NhiYXSDriQEov8n5AjDKzPkCOEtAAVgBagVCQVNJQ3IIS0xYN1lMR1QKaAoyCMGGARIDODYxGOuJASC4jQEolqr6AjDfrvoCOEtAAFgBagVCQVNJQ3IIS0xYN1lMR1QKMgjBhgESBDg4MDYYuI0BIJIBKL6v-gIwgLD6AjhLQAFYAWoFQkFTSUNyCEtMWDdZTEdUEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, 30 Sept - Tue, 7 Oct SEA Seattle LHR London £382 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:30/09/2025TANYT&leg2=from:LHR,to:SEA,departure:07/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:381.52&airProductToken=AQo4CjYIxJgBEgQ1OTc0GJIBIOuJASiDkvkCMMyW-QI4RUAAWAFqCUJBU0lDRUNPTnIIVkxYNzZPQkEKNgo0CMSYARICMjEY64kBIJIBKPnc-QIw6uH5AjhFQABYAWoJQkFTSUNFQ09OcghWTFg3Nk9CQRIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 27 Oct - Fri, 21 Nov SEA Seattle LHR London £382 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:27/10/2025TANYT&leg2=from:LHR,to:SEA,departure:21/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:381.52&airProductToken=AQoyCjAIwoIBEgI0OBiSASDriQEo6sL7AjCkx_sCOE9AAFgBagVOT0JBR3IIT0xYN0sxQlYKMgowCMKCARICNDkY64kBIJIBKL_W_QIwl9v9AjhPQABYAWoFTk9CQUdyCE9MWDdLMUJWEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Wed, 1 Oct - Fri, 24 Oct SEA Seattle LHR London £382 Return found 23 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:01/10/2025TANYT&leg2=from:LHR,to:SEA,departure:24/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:381.72&airProductToken=AQppCjIIyYQBEgQ0ODk2GJIBIKOxASjAmvkCMLac-QI4T0AAWAFqBUJBU0lDcghPTFg3SzFCVgozCMmEARIENDIwNhijsQEg64kBKKid-QIwzqH5AjhPQAFYAWoFQkFTSUNyCE9MWDdLMUJWCjQKMgjJhAESBDM1MDkY64kBIJIBKNKY-wIwm537AjhPQABYAWoFQkFTSUNyCE9MWDdLMUJWEgoIAhABGAIqAklCGAEiBAgBEAEoAigDKAQwDQ) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Wed, 15 Oct - Tue, 10 Feb SEA Seattle LHR London £386 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:15/10/2025TANYT&leg2=from:LHR,to:SEA,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:385.32&airProductToken=AQplCjAIxpIBEgM2ODAYkgEgiiko9bn6AjC3vfoCOFhAAFgBagVMSUdIVHIIWEoyUVVTTFQKMQjGkgESAzQ1MBiKKSDriQEojL76AjDPv_oCOFhAAVgBagVMSUdIVHIIWEoyUVVTTFQKZQoxCMaSARIDNDUxGOuJASCKKSi_5IQDMILmhAM4WEAAWAFqBUxJR0hUcghYSjJRVVNMVAowCMaSARIDNjgxGIopIJIBKNzmhAMwvOqEAzhYQAFYAWoFTElHSFRyCFhKMlFVU0xUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 30 Sept - Tue, 7 Oct SEA Seattle LHR London £386 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:30/09/2025TANYT&leg2=from:LHR,to:SEA,departure:07/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:385.62&airProductToken=AQplCjEIwYIBEgQyMzk4GJIBIK4cKOiQ-QIw2pL5AjhCQABYAWoFQkFTSUNyCE9MWDdLMUJWCjAIwYIBEgI5OBiuHCDriQEot5P5AjCDl_kCOEJAAVgBagVCQVNJQ3IIT0xYN0sxQlYKZgoxCMGCARICNTEY64kBIKOxASjY2PkCML_d-QI4QkAAWAFqBUJBU0lDcghPTFg3SzFCVgoxCMGCARIDNzI3GKOxASCSASi63vkCMLrg-QI4QkABWAFqBUJBU0lDcghPTFg3SzFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Sun, 2 Nov - Sun, 9 Nov SEA Seattle LHR London £413 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:02/11/2025TANYT&leg2=from:LHR,to:SEA,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:412.72&airProductToken=AQpnCjEIwYwBEgQyNDAwGJIBIMx8KPWB_AIwu4P8AjhWQABYAWoFTElHSFRyCFZMWDc2T0JBCjIIwYwBEgQzNTgzGMx8IOuJASjJhPwCMKmI_AI4VkABWAFqBUxJR0hUcghWTFg3Nk9CQQpnCjIIwYwBEgQxMzgxGOuJASDiMCi8y_wCMIzM_AI4TEAAWAFqBUxJR0hUcghWTFc3Nk9CQQoxCMGMARIEMzYyMhjiMCCSASi2zfwCMMDS_AI4VkABWAFqBUxJR0hUcghWTFc3Nk9CQRIKCAEQARgBKgJBRhgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Sun, 28 Sept - Tue, 14 Oct SEA Seattle LHR London £416 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:28/09/2025TANYT&leg2=from:LHR,to:SEA,departure:14/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:415.12&airProductToken=AQo0CjIIy5gBEgQ2MDIxGJIBIOuJASjt_PgCMLuB-QI4VkAAWAFqBUxJR0hUcghWTFg3Nk9CQQppCjMIy5gBEgQxMDA0GOuJASCAkwEol6j6AjDsqPoCOExAAFgBagVMSUdIVHIIVkxYNzZPQkEKMgjLmAESBDYwMzgYgJMBIJIBKPip-gIw6a76AjhWQAFYAWoFTElHSFRyCFZMWDc2T0JBEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Seattle (SEA) to London (LHR) ### October is typically the cheapest month to fly From £353 - £709 per traveller. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to Heathrow Airport (LHR)? > If you're travelling between SEA and London Heathrow, round-trip journeys start from £353. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from SEA to Heathrow Airport? > The majority of flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do need to cancel your trip, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to LHR that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to London Heathrow flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Heathrow Airport? > With a flight distance of 7,700 kilometres between Sea-Tac Airport and Heathrow Airport (LHR), this is a long trip. Be sure to drink plenty of water and go for a short walk down the aisle every now and then. ### Which airlines fly direct from SEA to Heathrow Airport (LHR)? > It's easy to fly directly from Sea-Tac Airport to Heathrow Airport. Below are the most sought-after carriers that offer nonstop services on this route: > > > > - Virgin Atlantic - (VS) with 30 monthly flights > - American Airlines - (AA) with 30 monthly flights > - British Airways - (BA) with 30 monthly flights > - Delta Air Lines - (DL) with 17 monthly flights ### Are SEA to LHR flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so there are no guarantees. While last-minute deals between Seattle - Tacoma Intl. Airport (SEA) and Heathrow Airport are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines announce their prices up to a year prior to the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to lock in your seat when the price dips. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | Heathrow | | Airlines serving | Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic, WestJet | | Return price | £352 | | Distance | 7657 km | | Average flight time | 17 hours 33 mins | ## Book with confidence ### Compare flights from Seattle to London easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to London. Operating between them 21 flights per day, 20 airlines cover the route. And American Airlines, KLM, Alaska Airlines, Aer Lingus, Air France, Finnair, SAS, Delta Air Lines, Iberia, Virgin Atlantic, British Airways fly direct, getting you to Heathrow in just 25hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Heathrow.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Heathrow (LHR) The easiest way to view the best deals on flights from Seattle to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Heathrow start at just £353 and range up to £416.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and London - booking your flight during November, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seattle to London flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Seattle - [Seattle to Bologna (SEA - BLQ)](https://expedia.co.uk/lp/flights/sea/blq/seattle-to-bologna) - [Seattle to Barcelona (SEA - BCN)](https://expedia.co.uk/lp/flights/sea/bcn/seattle-to-barcelona) - [Seattle to Florence (SEA - FLR)](https://expedia.co.uk/lp/flights/sea/flr/seattle-to-florence) - [Seattle to Dublin (SEA - DUB)](https://expedia.co.uk/lp/flights/sea/dub/seattle-to-dublin) - [Seattle to Nice (SEA - NCE)](https://expedia.co.uk/lp/flights/sea/nce/seattle-to-nice) - [Seattle to Tokyo (SEA - NRT)](https://expedia.co.uk/lp/flights/sea/nrt/seattle-to-tokyo) - [Seattle to Lisbon (SEA - LIS)](https://expedia.co.uk/lp/flights/sea/lis/seattle-to-lisbon) - [Seattle to Munich (SEA - MUC)](https://expedia.co.uk/lp/flights/sea/muc/seattle-to-munich) - [Seattle to San Francisco (SEA - SFO)](https://expedia.co.uk/lp/flights/sea/sfo/seattle-to-san-francisco) - [Seattle to Pisa (SEA - PSA)](https://expedia.co.uk/lp/flights/sea/psa/seattle-to-pisa) ### Top Routes to London - [Newark Liberty Intl. Airport to London (EWR - LHR)](https://expedia.co.uk/lp/flights/ewr/lhr/newark-liberty-intl-airport-to-london) - [Mumbai to London (BOM - LHR)](https://expedia.co.uk/lp/flights/bom/lhr/mumbai-to-london) - [Bangkok to London (BKK - LHR)](https://expedia.co.uk/lp/flights/bkk/lhr/bangkok-to-london) - [Amsterdam to London (AMS - LHR)](https://expedia.co.uk/lp/flights/ams/lhr/amsterdam-to-london) - [Delhi to London (DEL - LHR)](https://expedia.co.uk/lp/flights/del/lhr/delhi-to-london) - [Edinburgh to London (EDI - LHR)](https://expedia.co.uk/lp/flights/edi/lhr/edinburgh-to-london) - [São Paulo to London (GRU - LHR)](https://expedia.co.uk/lp/flights/gru/lhr/sao-paulo-to-london) - [New York to London (JFK - LHR)](https://expedia.co.uk/lp/flights/jfk/lhr/new-york-to-london) - [Dubai to London (DXB - LHR)](https://expedia.co.uk/lp/flights/dxb/lhr/dubai-to-london) - [Dublin to London (DUB - LHR)](https://expedia.co.uk/lp/flights/dub/lhr/dublin-to-london) - [Lagos to London (LOS - LHR)](https://expedia.co.uk/lp/flights/los/lhr/lagos-to-london) - [Madrid to London (MAD - LHR)](https://expedia.co.uk/lp/flights/mad/lhr/madrid-to-london) ### Top Routes to London - [British Airways Bangkok to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-suvarnabhumi-intl-to-heathrow/ba/bkk/lhr) - [British Airways Amsterdam to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-schiphol-to-heathrow/ba/ams/lhr) - [Air India Delhi to London](https://expedia.co.uk/lp/flight-routes/air-india-from-indira-gandhi-intl-to-heathrow/ai/del/lhr) - [British Airways Edinburgh to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-edinburgh-to-heathrow/ba/edi/lhr) - [LATAM Airlines Group São Paulo to London](https://expedia.co.uk/lp/flight-routes/latam-airlines-group-from-guarulhos-governor-andre-franco-montoro-intl-to-heathrow/la/gru/lhr) - [British Airways New York to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-john-f-kennedy-intl-to-heathrow/ba/jfk/lhr) - [British Airways Dublin to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-dublin-to-heathrow/ba/dub/lhr) - [British Airways Madrid to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-adolfo-suarez-madrid-barajas-to-heathrow/ba/mad/lhr) - [Aegean Athens to London](https://expedia.co.uk/lp/flight-routes/aegean-from-eleftherios-venizelos-to-heathrow/a3/ath/lhr) - [British Airways Newcastle to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-newcastle-intl-to-heathrow/ba/ncl/lhr) ### Top Flight Destinations - [Flights to London](https://expedia.co.uk/Cheap-Flights-To-London.d178279.Travel-Guide-Flights) - [Flights to Edinburgh](https://expedia.co.uk/Cheap-Flights-To-Edinburgh.d6069845.Travel-Guide-Flights) - [Flights to Manchester](https://expedia.co.uk/Cheap-Flights-To-Manchester.d2205.Travel-Guide-Flights) - [Flights to Liverpool](https://expedia.co.uk/Cheap-Flights-To-Liverpool.d6046241.Travel-Guide-Flights) - [Flights to Glasgow](https://expedia.co.uk/Cheap-Flights-To-Glasgow.d1334.Travel-Guide-Flights) - [Flights to York](https://expedia.co.uk/Cheap-Flights-To-York.d5489.Travel-Guide-Flights) - [Flights to Blackpool](https://expedia.co.uk/Cheap-Flights-To-Blackpool.d619.Travel-Guide-Flights) - [Flights to Oxford](https://expedia.co.uk/Cheap-Flights-To-Oxford.d9272.Travel-Guide-Flights) - [Flights to Birmingham](https://expedia.co.uk/Cheap-Flights-To-Birmingham.d6023342.Travel-Guide-Flights) - [Flights to Bath](https://expedia.co.uk/Cheap-Flights-To-Bath.d6084496.Travel-Guide-Flights) - [Flights to Brighton](https://expedia.co.uk/Cheap-Flights-To-Brighton.d6046944.Travel-Guide-Flights) - [Flights to Bournemouth](https://expedia.co.uk/Cheap-Flights-To-Bournemouth.d654.Travel-Guide-Flights) - [Flights to Bristol](https://expedia.co.uk/Cheap-Flights-To-Bristol.d688.Travel-Guide-Flights) - [Flights to Belfast](https://expedia.co.uk/Cheap-Flights-To-Belfast.d6034919.Travel-Guide-Flights) - [Flights to Cardiff](https://expedia.co.uk/Cheap-Flights-To-Cardiff.d6054272.Travel-Guide-Flights) - [Flights to Southampton](https://expedia.co.uk/Cheap-Flights-To-Southampton.d3245.Travel-Guide-Flights) - [Flights to Newcastle-upon-Tyne](https://expedia.co.uk/Cheap-Flights-To-Newcastle-Upon-Tyne.d6084526.Travel-Guide-Flights) - [Flights to Leeds](https://expedia.co.uk/Cheap-Flights-To-Leeds.d6035434.Travel-Guide-Flights) - [Flights to Inverness](https://expedia.co.uk/Cheap-Flights-To-Inverness.d1607.Travel-Guide-Flights) - [Flights to Llandudno](https://expedia.co.uk/Cheap-Flights-To-Llandudno.d5621.Travel-Guide-Flights) ### Related Airlines - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [Icelandair](https://expedia.co.uk/Icelandair-Flights.cFI.Travel-Guide-Airlines) - [Air Canada](https://expedia.co.uk/Air-Canada-Flights.cAC.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [Finnair](https://expedia.co.uk/Finnair-Flights.cAY.Travel-Guide-Airlines) - [Brussels Airlines](https://expedia.co.uk/Brussels-Airlines-Flights.cSN.Travel-Guide-Airlines) - [Austrian Airlines](https://expedia.co.uk/Austrian-Airlines-Flights.cOS.Travel-Guide-Airlines) - [Alaska Airlines](https://expedia.co.uk/Alaska-Airlines-Flights.cAS.Travel-Guide-Airlines) - [WestJet](https://expedia.co.uk/WestJet-Flights.cWS.Travel-Guide-Airlines) - [JetBlue Airways](https://expedia.co.uk/JetBlue-Airways-Flights.cB6.Travel-Guide-Airlines) London Airports #### London [Seattle to Gatwick](https://expedia.co.uk/lp/flights/sea/lgw/seattle-to-london) £374.48 [Seattle to London City](https://expedia.co.uk/lp/flights/sea/lcy/seattle-to-london) £438.31 Seattle Airports #### Seattle Paine Field Intl. Airport ### Nearby Airports - [Boeing Field Airport (BFI)](https://expedia.co.uk/lp/airports/bfi/flights-from-boeing-field-airport) - [Seattle Paine Field Intl. Airport Airport (PAE)](https://expedia.co.uk/lp/airports/pae/flights-from-seattle-paine-field-intl-airport-airport) - [William R. Fairchild Intl. Airport (CLM)](https://expedia.co.uk/lp/airports/clm/flights-from-william-r-fairchild-intl-airport) - [Lopez Island Airport (LPS)](https://expedia.co.uk/lp/airports/lps/flights-from-lopez-island-airport) - [Bowerman Airport (HQM)](https://expedia.co.uk/lp/airports/hqm/flights-from-bowerman-airport) - [Westsound Airport (WSX)](https://expedia.co.uk/lp/airports/wsx/flights-from-westsound-airport) - [Bellingham Intl. Airport (BLI)](https://expedia.co.uk/lp/airports/bli/flights-from-bellingham-intl-airport) - [Pangborn Memorial Airport (EAT)](https://expedia.co.uk/lp/airports/eat/flights-from-pangborn-memorial-airport) ### Expedia's Latest Trends Flights - [LHR to MEL flights](https://expedia.co.uk/lp/flights/lhr/mel/london-to-melbourne) - [LHR to LAX flights](https://expedia.co.uk/lp/flights/lhr/lax/london-to-los-angeles) - [EDI to LHR flights](https://expedia.co.uk/lp/flights/edi/lhr/edinburgh-to-london) - [LHR to HKG flights](https://expedia.co.uk/lp/flights/lhr/hkg/london-to-hong-kong) - [LHR to NRT flights](https://expedia.co.uk/lp/flights/lhr/nrt/london-to-tokyo) - [LHR to ATQ flights](https://expedia.co.uk/lp/flights/lhr/atq/london-to-sri-guru-ram-das-ji-intl-airport) - [LHR to BKK flights](https://expedia.co.uk/lp/flights/lhr/bkk/london-to-bangkok) - [LHR to MNL flights](https://expedia.co.uk/lp/flights/lhr/mnl/london-to-manila) - [LHR to JNB flights](https://expedia.co.uk/lp/flights/lhr/jnb/london-to-johannesburg) - [LHR to YYZ flights](https://expedia.co.uk/lp/flights/lhr/yyz/london-to-toronto) - [LON to NYC flights](https://expedia.co.uk/lp/flights/lon/nyc/london-to-new-york) - [NCL to LHR flights](https://expedia.co.uk/lp/flights/ncl/lhr/newcastle-to-london) - [LHR to SYD flights](https://expedia.co.uk/lp/flights/lhr/syd/london-to-sydney) - [LOS to LHR flights](https://expedia.co.uk/lp/flights/los/lhr/lagos-to-london) - [LHR to JFK flights](https://expedia.co.uk/lp/flights/lhr/jfk/london-to-new-york) - [LHR to AKL flights](https://expedia.co.uk/lp/flights/lhr/akl/london-to-auckland) - [LHR to MIA flights](https://expedia.co.uk/lp/flights/lhr/mia/london-to-miami) - [LHR to SFO flights](https://expedia.co.uk/lp/flights/lhr/sfo/london-to-san-francisco) - [LHR to PER flights](https://expedia.co.uk/lp/flights/lhr/per/london-to-perth) - [LHR to DEL flights](https://expedia.co.uk/lp/flights/lhr/del/london-to-delhi) - [LHR to CMB flights](https://expedia.co.uk/lp/flights/lhr/cmb/london-to-colombo) - [LHR to IST flights](https://expedia.co.uk/lp/flights/lhr/ist/london-to-istanbul) - [LHR to BCN flights](https://expedia.co.uk/lp/flights/lhr/bcn/london-to-barcelona) - [MAN to JFK flights](https://expedia.co.uk/lp/flights/man/jfk/manchester-to-new-york) - [LHR to DXB flights](https://expedia.co.uk/lp/flights/lhr/dxb/london-to-dubai) - [LHR to CPT flights](https://expedia.co.uk/lp/flights/lhr/cpt/london-to-cape-town) - [LHR to LIS flights](https://expedia.co.uk/lp/flights/lhr/lis/london-to-lisbon) - [LHR to YVR flights](https://expedia.co.uk/lp/flights/lhr/yvr/london-to-vancouver) - [LHR to BOM flights](https://expedia.co.uk/lp/flights/lhr/bom/london-to-mumbai) - [LHR to GOI flights](https://expedia.co.uk/lp/flights/lhr/goi/london-to-goa) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. Scan the QR code with your device camera and download our app ![QR code to download the app](data:image/png;base64,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)