Title: CA $378 Cheap Flights from Seattle (SEA) to London (LON) - Expedia.ca ![](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) # CA $378 Cheap Flights from Seattle (SEA) to London (LON) [View CA $378 flight on Thu, Jan 22, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:LHR,departure:22/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:377.28&airProductToken=AQpkCjEI16YBEgQxNTUzGJIBIJgWKO6TgwMw0pSDAzhFQABYAWoFQkFTSUNyCExTN0oyTEJLCi8I16YBEgEyGJgWIOuJASialoMDMKKagwM4RUABWAFqBUJBU0lDcghMUzdKMkxCSxIKCAEQARgBKgJXUxgBIgQIARABKAIoAygEMAE) - [Roundtrip](?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 London - ![Icelandair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FI.svg) Icelandair [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FI"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Finnair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&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.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Aer Lingus](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LON,departure:25/12/2025TANYT&leg2=from:LON,to:SEA,departure:01/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![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 30% 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.ca/login) ## Cheap flights from Seattle (SEA) to London (LON) Prices were available within the past 7 days and start at CA $378 for one-way flights and CA $717 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Sat, Jan 10 - Sat, Feb 28 SEA Seattle LHR London CA $717 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:10/01/2026TANYT&leg2=from:LHR,to:SEA,departure:28/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:716.92&airProductToken=AQplCjAIxpIBEgM2ODAYkgEgiikoy4yCAzCXkIIDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMQjGkgESAzQ1NBiKKSDriQEo9JSCAzCyloIDOE5AAVgBagVMSUdIVHIITkoyUVVTTFQKZQoxCMaSARIDNDUxGOuJASCKKSj_roYDMMKwhgM4TkAAWAFqBUxJR0hUcghOSjJRVVNMVAowCMaSARIDNjgxGIopIJIBKJyxhgMw_LSGAzhOQAFYAWoFTElHSFRyCE5KMlFVU0xUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Sat, Jan 17 - Tue, Jan 27 SEA Seattle LGW London CA $719 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LGW,departure:17/01/2026TANYT&leg2=from:LGW,to:SEA,departure:27/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:718.19&airProductToken=AQplCjAIxpIBEgM2ODAYkgEgiikoq9uCAzD33oIDOE5AAFgBagVMSUdIVHIITkoyUVVTTFQKMQjGkgESAzQ3MBiKKSDLsQEozN-CAzCP4YIDOE5AAVgBagVMSUdIVHIITkoyUVVTTFQKZQoxCMaSARIDNDcxGMuxASCKKSjrxoMDMLjIgwM4TkAAWAFqBUxJR0hUcghOSjJRVVNMVAowCMaSARIDNjgxGIopIJIBKJzJgwMw_MyDAzhOQAFYAWoFTElHSFRyCE5KMlFVU0xUEgoIARABGAEqAkZJGAEiBAgBEAEoAigDKAQwAQ) ![Scandinavian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SK.gif) Fri, May 8 - Thu, May 21 SEA Seattle LHR London CA $844 Roundtrip found 10 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:08/05/2026TANYT&leg2=from:LHR,to:SEA,departure:21/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:843.80&airProductToken=AQqtAQpACNOWARIEMzkyNhiSASCycSiyuYwDML-6jAM4TkAAWAFqCFN0YW5kYXJkcghOTFdBRTZFU3oKCMSYARIEMzkyNgozCNOWARIDOTM2GLJxIOI7KNG8jAMwuMGMAzhOQAFYAWoIU3RhbmRhcmRyCE5MV0FFNkVTCjQI05YBEgM1MDUY4jsg64kBKOzCjAMw5MOMAzhOQAFYAWoIU3RhbmRhcmRyCE5MV0FFNkVTCmYKMgjTlgESBDE1MDgY64kBIOI7KLbMjQMwpM2NAzhMQABYAWoFTGlnaHRyCExMV0E2R0hUCjAI05YBEgM5MzcY4jsgkgEomdSNAzDd2I0DOExAAVgBagVMaWdodHIITExXQTZHSFQSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAP) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Sat, Jan 24 - Sun, Feb 1 SEA Seattle LHR London CA $847 Roundtrip found 22 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:24/01/2026TANYT&leg2=from:LHR,to:SEA,departure:01/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:846.62&airProductToken=AQqHAQpBCMyQARIENjY0NRiSASC4jQEozKqDAzCPq4MDOExAAFgBaghFQ09MSUdIVHIITExBODZEQlF6CgjBhgESBDY2NDUKQgjMkAESBDY4NDEYuI0BIOuJASjnq4MDMKawgwM4TEABWAFqCEVDT0xJR0hUcghMTEE4NkRCUXoKCMGGARIENjg0MQp4CkEIzJABEgQ0MjA1GOuJASCMFSiM_YMDMPr9gwM4TEAAWAFqCEVDT0xJR0hUcghMTEE4NkRCUXoKCNaYARIENDIwNQozCMyQARIDNDg4GIwVIJIBKMD-gwMwwIOEAzhMQAFYAWoIRUNPTElHSFRyCExMQTg2REJREgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Feb 19 - Sun, Feb 22 SEA Seattle LGW London CA $847 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LGW,departure:19/02/2026TANYT&leg2=from:LGW,to:SEA,departure:22/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:846.68&airProductToken=AQqlAQowCMGCARIDODg1GJIBIK4cKJPLhQMwjc2FAzhCQABYAWoFQkFTSUNyCE9MTjhUMUJWCjEIwYIBEgQxMTAxGK4cIPMDKMvNhQMw7M6FAzhCQAFYAWoFQkFTSUNyCE9MTjhUMUJWCj4IwYIBEgQ3MDE0GPMDIMuxASi-z4UDMLzThQM4T0ABWAFqBUJBU0lDcghPTE44VDFCVnoKCMKCARIENzAxNAqoAQo-CMGCARIENzAxNRjLsQEg8wMozuuFAzCm8IUDOE9AAFgBagVCQVNJQ3IIT0xOOFQxQlZ6CgjCggESBDcwMTUKMgjBggESBDEzNTUY8wMg77kBKK_4hQMw0PqFAzhCQAFYAWoFQkFTSUNyCE9MTjhUMUJWCjIIwYIBEgQzMjM1GO-5ASCSASj2hIYDML2GhgM4QkABWAFqBUJBU0lDcghPTE44VDFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, Jan 8 - Thu, Jan 15 SEA Seattle LHR London CA $848 Roundtrip found 21 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:08/01/2026TANYT&leg2=from:LHR,to:SEA,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:847.82&airProductToken=AQp_Cj0Iy5gBEgQ3MDY0GJIBIKlRKM7ygQMwjfWBAzhWQABYAWoFTElHSFRyCFZMTjg2U0JEegoIxJgBEgQ3MDY0Cj4Iy5gBEgQyNTA3GKlRIOuJASjh9oEDMP_5gQM4VkABWAFqBUxJR0hUcghWTE44NlNCRHoKCNamARIEMjUwNwp1CjMIy5gBEgQxMDAwGOuJASCAkwEopr2CAzD2vYIDOExAAFgBagVMSUdIVHIIVkxOODZTQkQKPgjLmAESBDYwMzMYgJMBIJIBKMu-ggMwxsOCAzhWQAFYAWoFTElHSFRyCFZMTjg2U0JEegoIxJgBEgQ2MDMzEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Jan 24 - Sat, Jan 31 SEA Seattle LHR London CA $848 Roundtrip found 19 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:24/01/2026TANYT&leg2=from:LHR,to:SEA,departure:31/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:847.82&airProductToken=AQptCjUIxJgBEgQxMTIwGJIBIPISKNKpgwMwzKqDAzhFQABYAWoJTUFJTkJBU0lDcghWTE44NlNCRAo0CMSYARICNTAY8hIg64kBKPSqgwMwuK-DAzhFQAFYAWoJTUFJTkJBU0lDcghWTE44NlNCRAp8CkMIxJgBEgQ5NTg4GOuJASCAkwEopvGDAzD28YMDOEVAAFgBaglNQUlOQkFTSUNyCFZMTjg2U0JEegoIy5gBEgQ5NTg4CjUIxJgBEgMxNDMYgJMBIJIBKMvygwMwxveDAzhFQAFYAWoJTUFJTkJBU0lDcghWTE44NlNCRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Wed, Jan 7 - Tue, Jan 13 SEA Seattle LHR London CA $849 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:07/01/2026TANYT&leg2=from:LHR,to:SEA,departure:13/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:848.20&airProductToken=AQpFCiAI1qYBEgQxNTg0GJIBIMx8KO3mgQMwueiBAzhUQABYAQohCNamARIENDA0MBjMfCDriQEojuuBAzDp7oEDOFRAAVgBCkcKIgjWpgESBDcwNDYY64kBIICTASjmpoIDMLanggM4VEAAWAEKIQjWpgESBDM5NDQYgJMBIJIBKIuoggMwhq2CAzhUQAFYARIKCAEQARgBKgJWUxgBIgQIARABKAQwAQ) ![Aer Lingus](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EI.gif) Sun, Feb 15 - Sun, Feb 22 SEA Seattle LHR London CA $852 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:15/02/2026TANYT&leg2=from:LHR,to:SEA,departure:22/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:851.79&airProductToken=AQpiCi4IxZIBEgI1MhiSASCDDSiVpIUDMLaohQM4T0AAWAFqBFNBVlJyCE9MTjhUMUJWCjAIxZIBEgMxNjgYgw0g64kBKPeohQMwx6mFAzhPQAFYAWoEU0FWUnIIT0xOOFQxQlYKYgowCMWSARIDMTUzGOuJASCDDSjy6YUDMMfqhQM4TkAAWAFqBFNBVlJyCE9MTjhUMUJWCi4IxZIBEgI1MxiDDSCSASi-7YUDMIzyhQM4T0ABWAFqBFNBVlJyCE9MTjhUMUJWEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Sun, Feb 8 - Sun, Mar 1 SEA Seattle LHR London CA $855 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:LHR,departure:08/02/2026TANYT&leg2=from:LHR,to:SEA,departure:01/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:854.32&airProductToken=AQqFAQpACNOcARIEODg3NhiSASCuHCikz4QDMJzRhAM4TEAAWAFqCEVDT0xJR0hUcghMTFg4N1VCUXoKCNWCARIEODg3NgpBCNOcARIEOTA5MBiuHCDriQEoudKEAzCj1oQDOExAAVgBaghFQ09MSUdIVHIITExYODdVQlF6CgjVggESBDkwOTAKvQEKNgjTnAESBDIxMDQY64kBIKGkASjat4YDMJu4hgM4TEAAWAFqCEVDT0xJR0hUcghMTEE4NkRCUQpBCNOcARIEODgwMxihpAEgrhwo5riGAzCCvYYDOExAAVgBaghFQ09MSUdIVHIITExBODZEQlF6CgjVggESBDg4MDMKQAjTnAESBDg4NzUYrhwgkgEo_L6GAzCXwYYDOExAAVgBaghFQ09MSUdIVHIITExBODZEQlF6CgjVggESBDg4NzUSCggBEAEYASoCU04YASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Seattle (SEA) to London (LON) ### October is typically the cheapest month to fly From CA $668 - CA $1,249 per traveller. ## Alternative airports near London Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LHR,departure:25/12/2025TANYT&leg2=from:LHR,to:SEA,departure:29/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LHR Heathrow 28 min [Flights from CA $2,047 ](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LHR,departure:25/12/2025TANYT&leg2=from:LHR,to:SEA,departure:29/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LGW,departure:25/12/2025TANYT&leg2=from:LGW,to:SEA,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick Cheapest 52 min [Flights from CA $1,589 ](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:LGW,departure:25/12/2025TANYT&leg2=from:LGW,to:SEA,departure:07/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from Seattle to London (SEA - LHR) route information__ | Origin airport | Seattle - Tacoma Intl. | | ------------------- | ---------------------- | | Destination airport | Heathrow | | Roundtrip price | CA $717 | | Distance | 7657 km | ## Seattle to England Flights **The easy way to book your flights from Seattle to London** With Expedia, it’s simple to find and book flights to London from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to LON-All Airports, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to London today, tomorrow, or this week. **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to LON-All Airports, LON** Sort your search results by price to find great deals on your flight from Seattle to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Seattle currently is just CA $717 rising to CA $855\. Here are more money-saving tips: - Fly in January when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to London - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to London from Seattle** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to London (LON-All Airports)? ### Do I need to pay a cancellation fee if I cancel my flight from SEA to London (LON-All Airports)? ### How do I find cheap flights from SEA to London (LON-All Airports) that have flexible change policies? ### How many hours is the flight from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports)? ### How far is the flight from SEA to London (LON-All Airports)? ### Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to London (LON-All Airports)? > - 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-Tac Airport to London (LON-All Airports) flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Atlanta to North London ](https://www.expedia.ca/lp/flights/178232/6196832/atlanta-to-north-london) - [Flights from Riga to North London ](https://www.expedia.ca/lp/flights/6056778/6196832/riga-to-north-london) - [Flights from Accra (ACC) to London (LHR) ](https://www.expedia.ca/lp/flights/acc/lhr/accra-to-london) - [Flights from Málaga (AGP) to London (LHR) ](https://www.expedia.ca/lp/flights/agp/lhr/malaga-to-london) - [Flights from Ahmedabad (AMD) to London (LHR) ](https://www.expedia.ca/lp/flights/amd/lhr/ahmedabad-to-london) - [Flights from Amsterdam (AMS) to London (LCY) ](https://www.expedia.ca/lp/flights/ams/lcy/amsterdam-to-london) - [Flights from Athens (ATH) to London (LCY) ](https://www.expedia.ca/lp/flights/ath/lcy/athens-to-london) - [Flights from Sri Guru Ram Das Ji Intl. Airport (ATQ) to London (LHR) ](https://www.expedia.ca/lp/flights/atq/lhr/sri-guru-ram-das-ji-intl-airport-to-london) - [Flights from Berlin (BER) to London (LHR) ](https://www.expedia.ca/lp/flights/ber/lhr/berlin-to-london) - [Flights from Belfast (BHD) to London (LHR) ](https://www.expedia.ca/lp/flights/bhd/lhr/belfast-to-london) - [Flights from Bellingham (BLI) to London (LCY) ](https://www.expedia.ca/lp/flights/bli/lcy/bellingham-to-london) - [Flights from Mumbai (BOM) to London (LHR) ](https://www.expedia.ca/lp/flights/bom/lhr/mumbai-to-london) - [Flights from Boston (BOS) to London (LHR) ](https://www.expedia.ca/lp/flights/bos/lhr/boston-to-london) - [Flights from Bristol (BRS) to London (LCY) ](https://www.expedia.ca/lp/flights/brs/lcy/bristol-to-london) - [Flights from Brussels (BRU) to London (LHR) ](https://www.expedia.ca/lp/flights/bru/lhr/brussels-to-london) - [Flights from Burlington (BTV) to London (LHR) ](https://www.expedia.ca/lp/flights/btv/lhr/burlington-to-london) - [Flights from Budapest (BUD) to London (LHR) ](https://www.expedia.ca/lp/flights/bud/lhr/budapest-to-london) - [Flights from Corfu (CFU) to London (LHR) ](https://www.expedia.ca/lp/flights/cfu/lhr/corfu-to-london) - [Flights from Colombo (CMB) to London (LHR) ](https://www.expedia.ca/lp/flights/cmb/lhr/colombo-to-london) - [Flights from Cochin (COK) to London (LHR) ](https://www.expedia.ca/lp/flights/cok/lhr/cochin-to-london) - [Flights from Copenhagen (CPH) to London (LHR) ](https://www.expedia.ca/lp/flights/cph/lhr/copenhagen-to-london) - [Flights from Cape Town (CPT) to London (LCY) ](https://www.expedia.ca/lp/flights/cpt/lcy/cape-town-to-london) - [Flights from Cardiff (CWL) to London (LCY) ](https://www.expedia.ca/lp/flights/cwl/lcy/cardiff-to-london) - [Flights from Dhaka (DAC) to London (LHR) ](https://www.expedia.ca/lp/flights/dac/lhr/dhaka-to-london) - [Flights from Dubrovnik (DBV) to London (LHR) ](https://www.expedia.ca/lp/flights/dbv/lhr/dubrovnik-to-london) - [Flights from Dublin (DUB) to London (LCY) ](https://www.expedia.ca/lp/flights/dub/lcy/dublin-to-london) - [Flights from Dubai (DXB) to London (LHR) ](https://www.expedia.ca/lp/flights/dxb/lhr/dubai-to-london) - [Flights from Edinburgh (EDI) to London (LCY) ](https://www.expedia.ca/lp/flights/edi/lcy/edinburgh-to-london) - [Flights from East Midlands (EMA) to London (LCY) ](https://www.expedia.ca/lp/flights/ema/lcy/east-midlands-to-london) - [Flights from Faro (FAO) to London (LHR) ](https://www.expedia.ca/lp/flights/fao/lhr/faro-to-london) - [Flights from Florence (FLR) to London (LCY) ](https://www.expedia.ca/lp/flights/flr/lcy/florence-to-london) - [Flights from Florence (FLR) to London (LHR) ](https://www.expedia.ca/lp/flights/flr/lhr/florence-to-london) - [Flights from Frankfurt (FRA) to London (LHR) ](https://www.expedia.ca/lp/flights/fra/lhr/frankfurt-to-london) - [Flights from Glasgow (GLA) to London (LCY) ](https://www.expedia.ca/lp/flights/gla/lcy/glasgow-to-london) - [Flights from Glasgow (GLA) to London (LHR) ](https://www.expedia.ca/lp/flights/gla/lhr/glasgow-to-london) - [Flights from Hong Kong (HKG) to London (LHR) ](https://www.expedia.ca/lp/flights/hkg/lhr/hong-kong-to-london) - [Flights from Houston (IAH) to London (LHR) ](https://www.expedia.ca/lp/flights/iah/lhr/houston-to-london) - [Flights from Seoul (ICN) to London (LHR) ](https://www.expedia.ca/lp/flights/icn/lhr/seoul-to-london) - [Flights from Islamabad (ISB) to London (LHR) ](https://www.expedia.ca/lp/flights/isb/lhr/islamabad-to-london) - [Flights from Istanbul (IST) to London (LHR) ](https://www.expedia.ca/lp/flights/ist/lhr/istanbul-to-london) - [Flights from New York (JFK) to London (LCY) ](https://www.expedia.ca/lp/flights/jfk/lcy/new-york-to-london) - [Flights from Thira (JTR) to London (LHR) ](https://www.expedia.ca/lp/flights/jtr/lhr/thira-to-london) - [Flights from Reykjavik (KEF) to London (LHR) ](https://www.expedia.ca/lp/flights/kef/lhr/reykjavik-to-london) - [Flights from Karachi (KHI) to London (LHR) ](https://www.expedia.ca/lp/flights/khi/lhr/karachi-to-london) - [Flights from Lahore (LHE) to London (LHR) ](https://www.expedia.ca/lp/flights/lhe/lhr/lahore-to-london) - [Flights from Lisbon (LIS) to London (LCY) ](https://www.expedia.ca/lp/flights/lis/lcy/lisbon-to-london) - [Flights from Lagos (LOS) to London (LCY) ](https://www.expedia.ca/lp/flights/los/lcy/lagos-to-london) - [Flights from Madrid (MAD) to London (LHR) ](https://www.expedia.ca/lp/flights/mad/lhr/madrid-to-london) - [Flights from Miami (MIA) to London (LHR) ](https://www.expedia.ca/lp/flights/mia/lhr/miami-to-london) - [Flights from Manila (MNL) to London (LHR) ](https://www.expedia.ca/lp/flights/mnl/lhr/manila-to-london) - [Flights from Marseille (MRS) to London (LHR) ](https://www.expedia.ca/lp/flights/mrs/lhr/marseille-to-london) - [Flights from Minneapolis (MSP) to London (LHR) ](https://www.expedia.ca/lp/flights/msp/lhr/minneapolis-to-london) - [Flights from Munich (MUC) to London (LHR) ](https://www.expedia.ca/lp/flights/muc/lhr/munich-to-london) - [Flights from Milan (MXP) to London (LHR) ](https://www.expedia.ca/lp/flights/mxp/lhr/milan-to-london) - [Flights from Nice (NCE) to London (LHR) ](https://www.expedia.ca/lp/flights/nce/lhr/nice-to-london) - [Flights from Newcastle (NCL) to London (LHR) ](https://www.expedia.ca/lp/flights/ncl/lhr/newcastle-to-london) - [Flights from Tokyo (NRT) to London (LHR) ](https://www.expedia.ca/lp/flights/nrt/lhr/tokyo-to-london) - [Flights from Ontario (ONT) to London (LHR) ](https://www.expedia.ca/lp/flights/ont/lhr/ontario-to-london) - [Flights from Porto (OPO) to London (LHR) ](https://www.expedia.ca/lp/flights/opo/lhr/porto-to-london) - [Flights from Chicago (ORD) to London (LHR) ](https://www.expedia.ca/lp/flights/ord/lhr/chicago-to-london) - [Flights from Beijing (PEK) to London (LHR) ](https://www.expedia.ca/lp/flights/pek/lhr/beijing-to-london) - [Flights from Prague (PRG) to London (LHR) ](https://www.expedia.ca/lp/flights/prg/lhr/prague-to-london) - [Flights from Shanghai (PVG) to London (LHR) ](https://www.expedia.ca/lp/flights/pvg/lhr/shanghai-to-london) - [Flights from San Francisco (SFO) to London (LHR) ](https://www.expedia.ca/lp/flights/sfo/lhr/san-francisco-to-london) - [Flights from St. Thomas (STT) to London (LHR) ](https://www.expedia.ca/lp/flights/stt/lhr/st-thomas-to-london) - [Flights from Sydney (SYD) to London (LHR) ](https://www.expedia.ca/lp/flights/syd/lhr/sydney-to-london) - [Flights from Venice (VCE) to London (LCY) ](https://www.expedia.ca/lp/flights/vce/lcy/venice-to-london) - [Flights from Venice (VCE) to London (LHR) ](https://www.expedia.ca/lp/flights/vce/lhr/venice-to-london) - [Flights from Vienna (VIE) to London (LHR) ](https://www.expedia.ca/lp/flights/vie/lhr/vienna-to-london) - [Flights from Valencia (VLC) to London (LHR) ](https://www.expedia.ca/lp/flights/vlc/lhr/valencia-to-london) - [Flights from Warsaw (WAW) to London (LCY) ](https://www.expedia.ca/lp/flights/waw/lcy/warsaw-to-london) - [Flights from Warsaw (WAW) to London (LHR) ](https://www.expedia.ca/lp/flights/waw/lhr/warsaw-to-london) - [Flights from Nanaimo (YCD) to London (LHR) ](https://www.expedia.ca/lp/flights/ycd/lhr/nanaimo-to-london) - [Flights from Edmonton (YEG) to London (LCY) ](https://www.expedia.ca/lp/flights/yeg/lcy/edmonton-to-london) - [Flights from Fredericton (YFC) to London (LHR) ](https://www.expedia.ca/lp/flights/yfc/lhr/fredericton-to-london) - [Flights from Halifax (YHZ) to London (LCY) ](https://www.expedia.ca/lp/flights/yhz/lcy/halifax-to-london) - [Flights from Kamloops (YKA) to London (LHR) ](https://www.expedia.ca/lp/flights/yka/lhr/kamloops-to-london) - [Flights from Kitchener (YKF) to London (LHR) ](https://www.expedia.ca/lp/flights/ykf/lhr/kitchener-to-london) - [Flights from Kelowna (YLW) to London (LCY) ](https://www.expedia.ca/lp/flights/ylw/lcy/kelowna-to-london) - [Flights from Ottawa (YOW) to London (LCY) ](https://www.expedia.ca/lp/flights/yow/lcy/ottawa-to-london) - [Flights from Québec (YQB) to London (LHR) ](https://www.expedia.ca/lp/flights/yqb/lhr/quebec-to-london) - [Flights from Windsor (YQG) to London (LHR) ](https://www.expedia.ca/lp/flights/yqg/lhr/windsor-to-london) - [Flights from Moncton (YQM) to London (LHR) ](https://www.expedia.ca/lp/flights/yqm/lhr/moncton-to-london) - [Flights from Comox (YQQ) to London (LCY) ](https://www.expedia.ca/lp/flights/yqq/lcy/comox-to-london) - [Flights from Thunder Bay (YQT) to London (LHR) ](https://www.expedia.ca/lp/flights/yqt/lhr/thunder-bay-to-london) - [Flights from Grande Prairie (YQU) to London (LHR) ](https://www.expedia.ca/lp/flights/yqu/lhr/grande-prairie-to-london) - [Flights from Saint John (YSJ) to London (LHR) ](https://www.expedia.ca/lp/flights/ysj/lhr/saint-john-to-london) - [Flights from Montreal (YUL) to London (LCY) ](https://www.expedia.ca/lp/flights/yul/lcy/montreal-to-london) - [Flights from Vancouver (YVR) to London (LCY) ](https://www.expedia.ca/lp/flights/yvr/lcy/vancouver-to-london) - [Flights from Winnipeg (YWG) to London (LCY) ](https://www.expedia.ca/lp/flights/ywg/lcy/winnipeg-to-london) - [Flights from Prince George (YXS) to London (LHR) ](https://www.expedia.ca/lp/flights/yxs/lhr/prince-george-to-london) - [Flights from London (YXU) to London (LHR) ](https://www.expedia.ca/lp/flights/yxu/lhr/london-to-london) - [Flights from Abbotsford (YXX) to London (LHR) ](https://www.expedia.ca/lp/flights/yxx/lhr/abbotsford-to-london) - [Flights from Calgary (YYC) to London (LCY) ](https://www.expedia.ca/lp/flights/yyc/lcy/calgary-to-london) - [Flights from Charlottetown (YYG) to London (LHR) ](https://www.expedia.ca/lp/flights/yyg/lhr/charlottetown-to-london) - [Flights from Victoria (YYJ) to London (LCY) ](https://www.expedia.ca/lp/flights/yyj/lcy/victoria-to-london) - [Flights from St. John's (YYT) to London (LHR) ](https://www.expedia.ca/lp/flights/yyt/lhr/st-johns-to-london) - [Flights from Toronto (YYZ) to London (LCY) ](https://www.expedia.ca/lp/flights/yyz/lcy/toronto-to-london) - [Flights from Zürich (ZRH) to London (LCY) ](https://www.expedia.ca/lp/flights/zrh/lcy/zurich-to-london) - [Flights from Zürich (ZRH) to London (LHR) ](https://www.expedia.ca/lp/flights/zrh/lhr/zurich-to-london) \*Available to Expedia members.