Title: CA $770 Cheap British Airways fights from London to Washington - Expedia.ca ![Washington DC in Spring](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $770 Cheap British Airways fights from London (LON) to Washington (WAS) [View CA $770 flight on Tue, Mar 3, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:LHR,to:DCA,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:769.30&airProductToken=AQpzCjIIwoIBEgMxNzcY64kBIKlRKIfRhgMw7NSGAzhPQABYAWoFTk9CQUdyCU9MWDVDNUI0UAo9CMKCARIENDY3MRipUSBDKLfVhgMwntaGAzhPQAFYAWoFTk9CQUdyCU9MWDVDNUI0UHoKCNmwARIENDY3MRIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) - [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 - ![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) ## British Airways flights from London to Washington (LON→WAS) Prices were available within the past 7 days and start at CA $770 for one-way flights and CA $924 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Jan 8 - Wed, Jan 21 LHR London IAD Washington CA $924 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:IAD,departure:08/01/2026TANYT&leg2=from:IAD,to:LHR,departure:21/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:923.80&airProductToken=AQozCjEIwoIBEgMyOTMY64kBIIgYKJnzgQMwl_eBAzhPQABYAWoFTk9CQUdyCE9LTjBUMUI0CjMKMQjCggESAzI5MhiIGCDriQEopYqDAzDYjYMDOE9AAFgBagVOT0JBR3IIT0tOMFQxQjQSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Feb 5 - Mon, Feb 9 LCY London IAD Washington CA $1,108 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:IAD,departure:05/02/2026TANYT&leg2=from:IAD,to:LCY,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1107.40&airProductToken=AQp7CjwIwoIBEgQ0NDYwGMvAASCDDSjaqYQDMK-qhAM4T0AAWAFqA0JBR3IIT0xOMFQxTTR6CgjDlAESBDQ0NjAKOwjCggESBDYxNDEYgw0giBgon6yEAzCTsIQDOE9AAVgBagNCQUdyCE9MTjBUMU00egoIxZIBEgQ2MTQxCnsKOwjCggESBDYxNDAYiBgggw0o7d2EAzCH4YQDOE9AAFgBagNCQUdyCE9MTjBUMU00egoIxZIBEgQ2MTQwCjwIwoIBEgQ0NDY1GIMNIMvAASj-44QDMNjkhAM4T0ABWAFqA0JBR3IIT0xOMFQxTTR6CgjDlAESBDQ0NjUSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Dec 25 - Sat, Jan 10 LHR London DCA Washington CA $1,142 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:25/12/2025TANYT&leg2=from:DCA,to:LHR,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1141.40&airProductToken=AQp-Cj4IwoIBEgQxNTE2GOuJASCpUSj70oADMNvWgAM4T0AAWAFqBU5PQkFHcghPSk4wVDFCNHoKCMGCARIEMTUxNgo8CMKCARIENDY3MRipUSBDKOLXgAMwtdiAAzhPQAFYAWoFTk9CQUdyCE9KTjBUMUI0egoI2bABEgQ0NjcxCn4KPAjCggESBDE4NjAYQyCpUSjVjIIDMKmNggM4T0AAWAFqBU5PQkFHcghPS04wVDFCNHoKCNmwARIEMTg2MAo-CMKCARIEMTUxNRipUSDriQEoyo6CAzDkkYIDOE9AAVgBagVOT0JBR3IIT0tOMFQxQjR6CgjBggESBDE1MTUSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, Feb 11 - Wed, Feb 18 LHR London BWI Baltimore CA $1,170 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BWI,departure:11/02/2026TANYT&leg2=from:BWI,to:LHR,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1169.90&airProductToken=AQozCjEIwoIBEgMyMjkY64kBIMFFKJ3xhAMwkfWEAzhPQABYAWoFTk9CQUdyCE9MVTFDMUI0CjMKMQjCggESAzIyOBjBRSDriQEo38SFAzCIyIUDOE9AAFgBagVOT0JBR3IIT0xVMUMxQjQSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, Feb 11 - Wed, Feb 18 LCY London IAD Washington CA $1,284 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:IAD,departure:11/02/2026TANYT&leg2=from:IAD,to:LCY,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1283.30&airProductToken=AQp7CjwIwoIBEgQ0NDYwGMvAASCDDSia7YQDMO_thAM4T0AAWAFqA0JBR3IIT0xOMFQxTTR6CgjDlAESBDQ0NjAKOwjCggESBDYxNDEYgw0giBgo3--EAzDT84QDOE9AAVgBagNCQUdyCE9MTjBUMU00egoIxZIBEgQ2MTQxCnsKOwjCggESBDYxNDAYiBgggw0ojcOFAzCnxoUDOE5AAFgBagNCQUdyCE5MWDRDMU00egoIxZIBEgQ2MTQwCjwIwoIBEgQ0NDYxGIMNIMvAASikx4UDMIPIhQM4TkABWAFqA0JBR3IITkxYNEMxTTR6CgjDlAESBDQ0NjESCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Dec 11 - Sun, Dec 14 LCY London IAD Washington CA $1,344 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:IAD,departure:11/12/2025TANYT&leg2=from:IAD,to:LCY,departure:14/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1343.80&airProductToken=AQqBAQo_CMKCARIEMzI3MhjLwAEgjBgolrT_AjCitf8COFFAAFgBagVOT0JBR3IJUUxXNEMxQjRQegoIw5QBEgQzMjcyCj4IwoIBEgQ0MjU3GIwYIIgYKIa2_wIwyrr_AjhRQAFYAWoFTk9CQUdyCVFMVzRDMUI0UHoKCMmEARIENDI1NwqBAQo-CMKCARIENDI1OBiIGCCMGCiE3f8CMNDg_wI4UUAAWAFqBU5PQkFHcglRTFc0QzFCNFB6CgjJhAESBDQyNTgKPwjCggESBDMyNzMYjBggy8ABKJ_j_wIwq-T_AjhRQAFYAWoFTk9CQUdyCVFMVzRDMUI0UHoKCMOUARIEMzI3MxIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) Flight from London to Washington (LHR - IAD) route information | Origin airport | Heathrow | | --- | --- | | Destination airport | Washington Dulles Intl. | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Popular airline | American Airlines | | Distance | 5866 km | ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_CA_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Limited-time deals: save up to 50% on select hotels [Book now](https://expedia.ca/deals?rfrr=FTG_BF_PROMO_) ## Explore a world of travel with Expedia \*Available to Expedia members.