Title: £327 Cheap Flights from London to Washington (LGW to DCA) - Expedia.co.uk ![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) # £327 Cheap Flights from London (LGW) to Washington (DCA) [View £327 flight on Wed, 17 Jun 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LGW,to:DCA,departure:17/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:326.48&airProductToken=AQpgCi8IwmwSBDE5MjYYy7EBIMGTASje-I8DMLf8jwM4TEAAWAFqAkROcghTTzVMQVhMMQotCMJsEgQxOTU1GMGTASBDKPL9jwMw3_6PAzhMQAFYAWoCRE5yCFNPNUxBWEwxEgoIARABGAEqAkI2GAEiBAgBEAEoAigEKAYwAQ) - [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 Gatwick Airport (LGW) to Ronald Reagan National Airport (DCA) - ![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:lgw,to:dca,departure:12/11/2025TANYT&leg2=from:dca,to:lgw,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![TAP Portugal](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg) TAP Portugal [](https://www.expedia.co.uk/Flights-Search?leg1=from:lgw,to:dca,departure:12/11/2025TANYT&leg2=from:dca,to:lgw,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:lgw,to:dca,departure:12/11/2025TANYT&leg2=from:dca,to:lgw,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:lgw,to:dca,departure:12/11/2025TANYT&leg2=from:dca,to:lgw,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.co.uk/Flights-Search?leg1=from:lgw,to:dca,departure:12/11/2025TANYT&leg2=from:dca,to:lgw,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Icelandair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FI.svg) Icelandair [](https://www.expedia.co.uk/Flights-Search?leg1=from:lgw,to:dca,departure:12/11/2025TANYT&leg2=from:dca,to:lgw,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FI"}}]) ![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 London (LGW) to Washington (DCA) Prices were available within the past 7 days and start at £327 for one-way flights and £447 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, 15 Sept - Tue, 22 Sept LGW London DCA Washington £447 Return found 14 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:15/09/2026TANYT&leg2=from:DCA,to:LGW,departure:22/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:446.38&airProductToken=AQpgCi8IwmwSBDE5MjYYy7EBIMGTASie7ZcDMITxlwM4TEAAWAFqAkROcghPTDQ2QVhMMQotCMJsEgQxOTU1GMGTASBDKMvylwMwvfOXAzhMQAFYAWoCRE5yCE9MNDZBWEwxCmAKLQjCbBIEMjk1NBhDIMGTASjqwJgDMN3BmAM4TEAAWAFqAkROcghPTDQ2QVhMMQovCMJsEgQyMTA0GMGTASDLsQEo7MKYAzCDxpgDOExAAVgBagJETnIIT0w0NkFYTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, 2 Jun - Tue, 9 Jun LGW London DCA Washington £464 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:02/06/2026TANYT&leg2=from:DCA,to:LGW,departure:09/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:463.18&airProductToken=AQpgCi8IwmwSBDE5MjYYy7EBIMGTASj-z44DMNfTjgM4TEAAWAFqAkROcghTTzg2RVhMMQotCMJsEgQxOTU1GMGTASBDKJLVjgMw_9WOAzhMQAFYAWoCRE5yCFNPODZFWEwxCmAKLQjCbBIEMjk1NBhDIMGTASi7o48DMKCkjwM4TEAAWAFqAkROcghTTzg2RVhMMQovCMJsEgQyMTA0GMGTASDLsQEo06WPAzDjqI8DOExAAVgBagJETnIIU084NkVYTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, 16 Sept - Sun, 20 Sept LGW London DCA Washington £485 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:16/09/2026TANYT&leg2=from:DCA,to:LGW,departure:20/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:484.28&airProductToken=AQpgCi8IwmwSBDE5MjYYy7EBIMGTASi--JcDMKT8lwM4TEAAWAFqAkROcghPTDQ2QVhMMQotCMJsEgQxOTU1GMGTASBDKOv9lwMw3f6XAzhMQAFYAWoCRE5yCE9MNDZBWEwxCmAKLQjCbBIEMTY1NBhDIMGTASjmqpgDMNmrmAM4TEAAWAFqAkROcghaTDQ2QVdMMQovCMJsEgQyMTA0GMGTASDLsQEorKyYAzDDr5gDOExAAVgBagJETnIIWkw0NkFXTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sat, 23 May - Wed, 27 May LGW London DCA Washington £494 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:23/05/2026TANYT&leg2=from:DCA,to:LGW,departure:27/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:493.18&airProductToken=AQpgCi8IwmwSBDE5MjYYy7EBIMGTASi-340DMJfjjQM4TEAAWAFqAkROcghTTzg2RVdMMQotCMJsEgQxOTU1GMGTASBDKNLkjQMwv-WNAzhMQAFYAWoCRE5yCFNPODZFV0wxCmAKLQjCbBIEMjc1NBhDIMGTASj1kY4DMNeSjgM4TEAAWAFqAkROcghTTzg2RVhMMQovCMJsEgQyMTA0GMGTASDLsQEos5OOAzDDlo4DOExAAVgBagJETnIIU084NkVYTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 1 Nov - Sat, 15 Nov LGW London DCA Washington £506 Return found 19 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:01/11/2025TANYT&leg2=from:DCA,to:LGW,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:505.18&airProductToken=AQqbAQoyCMGCARIENzAxNRjLsQEg8wMorvT7AjCG-fsCOE9AAFgBagVCQVNJQ3IIT0xOMFQxQjQKMgjBggESBDIwMjAY8wMg4poBKPT--wIw5P_7AjhCQAFYAWoFQkFTSUNyCE9MTjBUMUI0CjEIwYIBEgQ1MTA5GOKaASBDKJGA_AIw8oD8AjhCQAFYAWoFQkFTSUNyCE9MTjBUMUI0CmYKMAjBggESBDI1MjQYQyDzAyiYk_0CMLqU_QI4QkAAWAFqBUJBU0lDcghPTE4wVDFCNAoyCMGCARIENzAxNBjzAyDLsQEovpf9AjC8m_0COE9AAVgBagVCQVNJQ3IIT0xOMFQxQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 1 Nov - Sat, 15 Nov LGW London DCA Washington £508 Return found 19 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:01/11/2025TANYT&leg2=from:DCA,to:LGW,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:507.18&airProductToken=AQpmCjIIwYIBEgQ3MDE1GMuxASDzAyiu9PsCMIb5-wI4T0AAWAFqBUJBU0lDcghPTE4wVDFCNAowCMGCARIEMzIwMxjzAyBDKNaC_AIw24P8AjhCQAFYAWoFQkFTSUNyCE9MTjBUMUI0CmYKMAjBggESBDMxMDMYQyDzAyigkv0CML-T_QI4QkAAWAFqBUJBU0lDcghPTE4wVDFCNAoyCMGCARIENzAxNBjzAyDLsQEovpf9AjC8m_0COE9AAVgBagVCQVNJQ3IIT0xOMFQxQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, 5 Jan - Sat, 17 Jan LGW London DCA Washington £510 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:05/01/2026TANYT&leg2=from:DCA,to:LGW,departure:17/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:509.18&airProductToken=AQqbAQoyCMGCARIENzAxNRjLsQEg8wMozs-BAzCm1IEDOE9AAFgBagVCQVNJQ3IIT0xOMFQxQjQKMgjBggESBDIwMjAY8wMg4poBKJTagQMw_9qBAzhCQAFYAWoFQkFTSUNyCE9MTjBUMUI0CjEIwYIBEgQxOTYwGOKaASBDKKHbgQMw89uBAzhCQAFYAWoFQkFTSUNyCE9MTjBUMUI0CpsBCjEIwYIBEgQyMjQ5GEMg4poBKO7XggMw0NiCAzhCQABYAWoFQkFTSUNyCE9MTjBUMUI0CjIIwYIBEgQyOTE1GOKaASDzAyje2YIDMMzaggM4QkABWAFqBUJBU0lDcghPTE4wVDFCNAoyCMGCARIENzAxNBjzAyDLsQEontyCAzCc4IIDOE9AAVgBagVCQVNJQ3IIT0xOMFQxQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Fri, 5 Dec - Sun, 11 Jan LGW London DCA Washington £517 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:05/12/2025TANYT&leg2=from:DCA,to:LGW,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:516.28&airProductToken=AQqaAQoyCMmEARIEMTg2MhjLsQEgjBgowfL-AjDN8_4COE9AAFgBagVCQVNJQ3IIT0xOMFQxQjQKMQjJhAESAzM0NRiMGCDBkwEoxfT-AjDS-P4COE9AAVgBagVCQVNJQ3IIT0xOMFQxQjQKMQjBggESBDIzNjYYwZMBIEMotP3-AjCh_v4COEJAAVgBagVCQVNJQ3IIT0xOMFQxQjQKZQovCMGCARIDOTM1GEMgzHAowJOCAzDelIIDOEJAAFgBagVCQVNJQ3IIT0tOMFQxQjQKMgjBggESBDcwMTEYzHAgy7EBKI6YggMwgpyCAzhPQAFYAWoFQkFTSUNyCE9LTjBUMUI0EgoIAhABGAIqAklCGAEiBAgBEAEoAigDKAQwAQ) ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Mon, 5 Jan - Sat, 17 Jan LGW London DCA Washington £518 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:05/01/2026TANYT&leg2=from:DCA,to:LGW,departure:17/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:517.28&airProductToken=AQpkCjEIwbIBEgQ1NDU3GMuxASDzAyjOz4EDMKbUgQM4T0AAWAFqBEVDTVByCE9MTjBUMUI0Ci8IwYIBEgQzMTAzGPMDIEMogN2BAzCG3oEDOEJAAVgBagRFQ01QcghPTE4wVDFCNAqbAQoxCMGCARIEMjI0ORhDIOKaASju14IDMNDYggM4QkAAWAFqBUJBU0lDcghPTE4wVDFCNAoyCMGCARIEMjkwNRjimgEg8wMoqdqCAzCX24IDOEJAAVgBagVCQVNJQ3IIT0xOMFQxQjQKMgjBggESBDcwMTQY8wMgy7EBKJ7cggMwnOCCAzhPQAFYAWoFQkFTSUNyCE9MTjBUMUI0EgoIAhABGAIqAkFZGAEiBAgBEAEoAigDKAQwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, 10 Feb - Wed, 18 Feb LGW London DCA Washington £524 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LGW,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:523.08&airProductToken=AQqZAQoyCMKCARIENzE5NRjLsQEgjBgooeSEAzCt5YQDOE9AAFgBagVOT0JBR3IIT0xOMFQxQjQKMQjCggESBDQyNjkYjBggqVEo_eWEAzCP6oQDOE9AAVgBagVOT0JBR3IIT0xOMFQxQjQKMAjCggESBDQ2NzAYqVEgQyil8IQDMIfxhAM4T0ABWAFqBU5PQkFHcghPTE4wVDFCNAqbAQoxCMKCARIEMTg0OBhDIMGTASjDw4UDMKfEhQM4T0AAWAFqBU5PQkFHcghPTE4wVDFCNAoyCMKCARIENDIwMBjBkwEgjBgojMWFAzCwyIUDOE9AAVgBagVOT0JBR3IIT0xOMFQxQjQKMgjCggESBDcxOTgYjBggy7EBKOjLhQMw9MyFAzhPQAFYAWoFTk9CQUdyCE9MTjBUMUI0EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ## Alternative airports near Washington Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:LGW,to:BWI,departure:12/11/2025TANYT&leg2=from:BWI,to:LGW,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) BWI Baltimore Washington Intl. Thurgood Marshall 40 min [Flights from £497](https://www.expedia.co.uk/Flights-Search?leg1=from:LGW,to:BWI,departure:12/11/2025TANYT&leg2=from:BWI,to:LGW,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.co.uk/Flights-Search?leg1=from:LGW,to:IAD,departure:12/11/2025TANYT&leg2=from:IAD,to:LGW,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) IAD Washington Dulles Intl. Cheapest 36 min [Flights from £489](https://www.expedia.co.uk/Flights-Search?leg1=from:LGW,to:IAD,departure:12/11/2025TANYT&leg2=from:IAD,to:LGW,departure:19/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Gatwick Airport (LGW) to Ronald Reagan Washington National Airport (DCA)? > If you're travelling between LGW and National Airport, round-trip journeys start from £447. This price is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both 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 LGW to National Airport? > This can differ between air carriers, as each has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033), where there are instructions on how to cancel your flight online. ### How do I find cheap flights from London Gatwick to Ronald Reagan Washington National Airport (DCA) 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 London Gatwick to DCA flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from London Gatwick to DCA? > With a flight distance of 5,900 kilometres between Gatwick Airport (LGW) and DCA, this is a long-haul trip. Remember to stay hydrated and move your feet and legs every now and then. ### Which airlines fly direct from Gatwick Airport (LGW) to DCA? > Flying nonstop between London Gatwick and National Airport isn't possible right now. However, you'll still be able to book a flight to Arlington with at least one stop. ### Are Gatwick Airport (LGW) to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally score a bargain, with some of the cheapest fares from London Gatwick to Ronald Reagan Washington National Airport (DCA) cropping up a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance. ## Travel information | Origin airport | Gatwick | | --- | --- | | Destination airport | Ronald Reagan Washington National | | Airlines serving | American Airlines, British Airways, Iberia, Icelandair, JetBlue Airways, TAP Portugal | | Return price | £446 | | Distance | 5877 km | ## Book with confidence ### Compare flights from London to Washington easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Ronald Reagan Washington National in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to Ronald Reagan Washington National.   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 Gatwick (LGW) to Ronald Reagan Washington National (DCA) The easiest way to view the best deals on flights from London to Washington 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 Gatwick to Ronald Reagan Washington National start at just £447 and range up to £524.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near London and Washington - booking your flight during September, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your London to Washington flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Ronald Reagan Washington National 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 - Flights - [Flights from Aberdeen (ABZ) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/abz/iad/aberdeen-to-washington) - [Flights from Accra (ACC) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/acc/iad/accra-to-washington) - [Flights from Addis Ababa (ADD) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/add/iad/addis-ababa-to-washington) - [Flights from Albany (ALB) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/alb/iad/albany-to-washington) - [Flights from Amman (AMM) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/amm/iad/amman-to-washington) - [Flights from Amsterdam (AMS) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/ams/iad/amsterdam-to-washington) - [Flights from Asmara (ASM) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/asm/iad/asmara-to-washington) - 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[Flights from Portland (PDX) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/pdx/iad/portland-to-washington) - [Flights from Philadelphia (PHL) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/phl/iad/philadelphia-to-washington) - [Flights from Plymouth (PLH) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/plh/iad/plymouth-to-washington) - [Flights from Providenciales (PLS) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/pls/iad/providenciales-to-washington) - [Flights from Portsmouth (PSM) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/psm/iad/portsmouth-to-washington) - [Flights from Raleigh (RDU) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/rdu/iad/raleigh-to-washington) - [Flights from Richmond (RIC) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/ric/iad/richmond-to-washington) - [Flights from Fort Myers (RSW) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/rsw/iad/fort-myers-to-washington) - [Flights from Riyadh (RUH) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/ruh/iad/riyadh-to-washington) - [Flights from San Diego (SAN) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/san/iad/san-diego-to-washington) - [Flights from San Francisco (SFO) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/sfo/iad/san-francisco-to-washington) - [Flights from Singapore (SIN) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/sin/iad/singapore-to-washington) - [Flights from San Jose (SJC) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/sjc/iad/san-jose-to-washington) - [Flights from London (STN) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/stn/iad/london-to-washington) - [Flights from Tampa (TPA) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/tpa/iad/tampa-to-washington) - [Flights from Warsaw (WAW) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/waw/iad/warsaw-to-washington) - [Flights from Halifax (YHZ) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/yhz/iad/halifax-to-washington) - [Flights from Ottawa (YOW) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/yow/iad/ottawa-to-washington) - [Flights from Montreal (YUL) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/yul/iad/montreal-to-washington) - [Flights from Vancouver (YVR) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/yvr/iad/vancouver-to-washington) - [Flights from Toronto (YYZ) to Washington (IAD)](https://www.expedia.co.uk/lp/flights/yyz/iad/toronto-to-washington) \*Available to Expedia members.