Title: CA $773 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://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $773 Cheap British Airways fights from London (LON) to Washington (WAS) [View CA $773 flight on Tue, Dec 2, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:LHR,to:IAD,departure:02/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:772.20&airProductToken=AQprCjQIwoIBEgQxNTk4GOuJASDimgEo4dD-AjCH1f4COE9AAFgBagVOT0JBR3IJT0xYNUM1QjRQCjMIwoIBEgQ0Njc0GOKaASCIGCjl1_4CMLfY_gI4T0ABWAFqBU5PQkFHcglPTFg1QzVCNFASCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) - [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 $773 for one-way flights and CA $1,247 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) Tue, Nov 4 - Fri, Nov 14 LHR London BWI Baltimore CA $1,247 Roundtrip found 18 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BWI,departure:04/11/2025TANYT&leg2=from:BWI,to:LHR,departure:14/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1246.80&airProductToken=AQozCjEIwoIBEgMyMjkY64kBIMFFKL2X_AIwsZv8AjhPQABYAWoFTk9CQUdyCE9MWDhDMUI0CjQKMgjCggESAzIyOBjBRSDriQEo34z9AjCIkP0COE9AAFgBagVOT0JBR3IJT0xXOEMxQjRQEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, Dec 29 - Sun, Jan 11 LHR London IAD Washington CA $1,281 Roundtrip found 3 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:IAD,departure:29/12/2025TANYT&leg2=from:IAD,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:1280.50&airProductToken=AQo0CjIIwoIBEgMyOTMY64kBIIgYKNmCgQMw14aBAzhRQABYAWoFTk9CQUdyCVFLWDRDMUI0UAozCjEIwoIBEgMyOTIYiBgg64kBKOWZggMwmJ2CAzhPQABYAWoFTk9CQUdyCE9LTjBUMUI0EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sun, Feb 1 - Fri, Feb 6 LHR London DCA Washington CA $1,293 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:01/02/2026TANYT&leg2=from:DCA,to:LHR,departure:06/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1293.00&airProductToken=AQpoCjMIwoIBEgQxNTg4GOuJASDvWSid_oMDMIKChAM4T0AAWAFqBU5PQkFHcglPTFc5QzNCNFAKMQjCggESBDUzODkY71kgQyjxgoQDMLyDhAM4T0ABWAFqBU5PQkFHcglPTFc5QzNCNFAKaAoxCMKCARIEMTg2MBhDIKlRKLW8hAMwib2EAzhPQABYAWoFTk9CQUdyCU9MVzlDM0I0UAozCMKCARIEMTUxNRipUSDriQEoqr6EAzDEwYQDOE9AAVgBagVOT0JBR3IJT0xXOUMzQjRQEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, Nov 5 - Wed, Nov 12 LCY London IAD Washington CA $1,458 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:IAD,departure:05/11/2025TANYT&leg2=from:IAD,to:LCY,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1457.10&airProductToken=AQpjCjAIwoIBEgQ0NDYwGMvAASCDDSjanvwCMK-f_AI4UUAAWAFqA0JBR3IIUUxYNEMxTTQKLwjCggESBDYxNTkYgw0giBgolKP8AjD-pvwCOFFAAVgBagNCQUdyCFFMWDRDMU00CmMKLwjCggESBDYxNDAYiBgggw0ozfT8AjDn9_wCOE5AAFgBagNCQUdyCE5MWDRDMU00CjAIwoIBEgQ0NDYzGIMNIMvAASjX-fwCMLH6_AI4TkABWAFqA0JBR3IITkxYNEMxTTQSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, Dec 29 - Sun, Jan 11 LCY London BWI Baltimore CA $1,535 Roundtrip found 3 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:BWI,departure:29/12/2025TANYT&leg2=from:BWI,to:LCY,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:1534.48&airProductToken=AQqcAQoyCMKCARIEODczOBjLwAEgpQQo_IKBAzDWg4EDOE5AAFgBagVOT0JBR3IITkxYNEMxQjQKMgjCggESBDE1NjIYpQQg4poBKO6KgQMwxo-BAzhOQAFYAWoFTk9CQUdyCE5MWDRDMUI0CjIIwoIBEgQ2NjA4GOKaASDBRSiEkYEDMNmRgQM4TkABWAFqBU5PQkFHcghOTFg0QzFCNAqcAQoyCMKCARIENjU1MRjBRSDimgEowpaCAzCml4IDOE9AAFgBagVOT0JBR3IIT0tYOEMxQjQKMgjCggESBDE2MTEY4poBIIwYKLuiggMw_aWCAzhPQAFYAWoFTk9CQUdyCE9LWDhDMUI0CjIIwoIBEgQzMjcxGIwYIMvAASjmpoIDMPKnggM4T0ABWAFqBU5PQkFHcghPS1g4QzFCNBIKCAEQARgBKgJCQRgBIgQIARABKAIoAygEMAE) 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, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Popular airline | British Airways | | Distance | 5866 km | ## Explore a world of travel with Expedia \*Available to Expedia members.