Title: CA $623 Cheap Flights from London (LHR) to Washington (DCA) - 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 $623 Cheap Flights from London (LHR) to Washington (DCA) [View CA $623 flight on Wed, Jan 7, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:LHR,to:DCA,departure:07/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:622.40&airProductToken=AQpeCi4IwmwSBDIyMjAY64kBIKlRKN3jgQMw0ueBAzhMQABYAWoCRE5yCFBMNUxBWEwxCiwIwmwSBDI1ODcYqVEgQyjW7IEDMKPtgQM4TEABWAFqAkROcghQSTJBQkVMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) - [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 Heathrow Airport (LHR) to Ronald Reagan National Airport (DCA) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.ca/Flights-Search?leg1=from:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![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:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![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:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![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:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Air France](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France [](https://www.expedia.ca/Flights-Search?leg1=from:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:lhr,to:dca,departure:09/11/2025TANYT&leg2=from:dca,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) ![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 London (LHR) to Washington (DCA) Prices were available within the past 7 days and start at CA $623 for one-way flights and CA $829 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, Feb 10 - Sun, Feb 15 LHR London DCA Washington CA $829 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:828.60&airProductToken=AQpgCi8IwmwSBDE2MjEY64kBIMGTASiQ44QDMOzmhAM4TEAAWAFqAkROcghVTDUzQVhMMQotCMJsEgQyMDU1GMGTASBDKL3ohAMwq-mEAzhMQAFYAWoCRE5yCFVMNTNBWEwxCmAKLQjCbBIEMjM1NBhDIMGTASiTo4UDMPGjhQM4TEAAWAFqAkROcghVTDUzQVhMMQovCMJsEgQxNjIwGMGTASDriQEouq2FAzDfsIUDOExAAVgBagJETnIIVUw1M0FYTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sat, Dec 6 - Mon, Dec 8 LHR London DCA Washington CA $884 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:06/12/2025TANYT&leg2=from:DCA,to:LHR,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:883.10&airProductToken=AQpcCiwIwmwSAjIwGOuJASCpUSiE_v4CMIOC_wI4TEAAWAFqAkROcghVTDg2RVdMMQosCMJsEgQxODg3GKlRIEMo5YT_AjCvhf8COExAAVgBagJETnIIVUw4NkVXTDEKYAotCMJsEgQxMzU0GEMgwZMBKLiY_wIwmpn_AjhMQABYAWoCRE5yCFVMODZFWEwxCi8IwmwSBDE2MjAYwZMBIOuJASiMmv8CMJ-d_wI4TEABWAFqAkROcghVTDg2RVhMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Tue, Feb 10 - Sun, Feb 15 LHR London DCA Washington CA $886 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:885.60&airProductToken=AQpgCi8IwmwSBDE2MjEY64kBIMGTASiQ44QDMOzmhAM4TEAAWAFqAkROcghVTDg2RVhMMQotCMJsEgQxMzU1GMGTASBDKPLnhAMw3-iEAzhMQAFYAWoCRE5yCFVMODZFWEwxCl4KLAjCbBIEMTg4OBhDIKlRKJmchQMw5pyFAzhMQABYAWoCRE5yCFVMODZFV0wxCi4IwmwSBDExMDcYqVEg64kBKKudhQMw3aCFAzhMQAFYAWoCRE5yCFVMODZFV0wxEgoIARABGAEqAkI2GAEiBAgBEAEoAigEKAYwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Fri, Nov 7 - Tue, Nov 11 LHR London DCA Washington CA $904 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:07/11/2025TANYT&leg2=from:DCA,to:LHR,departure:11/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:903.81&airProductToken=AQpeCi4IwmwSBDIyMjAY64kBIKlRKOW1_AIw0Ln8AjhMQABYAWoCRE5yCFVMNDZFV0wxCiwIwmwSBDE3ODgYqVEgQyjHuvwCMJi7_AI4TEABWAFqAkROcghVTDQ2RVdMMQpbCiwIwmwSBDE3ODcYQyCpUSij6fwCMPLp_AI4TEAAWAFqAkROcghVTDQ2RVhMMQorCMJsEgE3GKlRIOuJASih6_wCMNru_AI4TEABWAFqAkROcghVTDQ2RVhMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Thu, Nov 6 - Mon, Nov 10 LHR London DCA Washington CA $906 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:06/11/2025TANYT&leg2=from:DCA,to:LHR,departure:10/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:905.32&airProductToken=AQpeCi4IwmwSBDIyMjAY64kBIKlRKJ2q_AIwia78AjhMQABYAWoCRE5yCFVMNDZFV0wxCiwIwmwSBDE3ODgYqVEgQyinr_wCMPiv_AI4TEABWAFqAkROcghVTDQ2RVdMMQpeCiwIwmwSBDE4ODgYQyCpUSiM2fwCMNjZ_AI4TEAAWAFqAkROcghVTDQ2RVhMMQouCMJsEgQxMTA3GKlRIOuJASiZ2vwCML3d_AI4TEABWAFqAkROcghVTDQ2RVhMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, Nov 26 - Sun, Nov 30 LHR London DCA Washington CA $914 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:26/11/2025TANYT&leg2=from:DCA,to:LHR,departure:30/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:913.32&airProductToken=AQpeCi4IwmwSBDIyMjAY64kBIKlRKJ2L_gIwgY_-AjhMQABYAWoCRE5yCFVMODZFWEwxCiwIwmwSBDI1ODcYqVEgQyillP4CMO-U_gI4TEABWAFqAkROcghVTDg2RVhMMQpeCiwIwmwSBDE4ODgYQyCpUSj0uf4CML66_gI4TEAAWAFqAkROcghPTDQ2QVdMMQouCMJsEgQxMTA3GKlRIOuJASiZu_4CML2-_gI4TEABWAFqAkROcghPTDQ2QVdMMRIKCAEQARgBKgJCNhgBIgQIARABKAIoBCgGMAE) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, Feb 10 - Sun, Feb 15 LHR London DCA Washington CA $1,004 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1003.40&airProductToken=AQplCjEIwoIBEgMxMTUY64kBIKlRKLLlhAMwl-mEAzhPQABYAWoFTk9CQUdyCE9MTjBUMUI0CjAIwoIBEgQ2NTgwGKlRIEMovOqEAzCW64QDOE9AAVgBagVOT0JBR3IIT0xOMFQxQjQKZgowCMKCARIEMTg1ORhDIKlRKKWihQMw-qKFAzhPQABYAWoFTk9CQUdyCE9MTjBUMUI0CjIIwoIBEgQxNTE1GKlRIOuJASjKo4UDMOSmhQM4T0ABWAFqBU5PQkFHcghPTE4wVDFCNBIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Feb 10 - Sun, Feb 15 LHR London DCA Washington CA $1,011 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1010.40&airProductToken=AQpuCjYIxJgBEgQ1OTkzGOuJASCpUSjD5oQDMJ7qhAM4RUAAWAFqCU1BSU5CQVNJQ3IIVllBUkQ4TEEKNAjEmAESBDU3NDMYqVEgQyiW64QDMPjrhAM4RUABWAFqCU1BSU5CQVNJQ3IIVllBUkQ4TEEKbAo0CMSYARIEMTAwNxhDIOBcKL6ihQMwvKOFAzhFQABYAWoJTUFJTkJBU0lDcghWWUFSRDhMQQo0CMSYARICMzYY4Fwg64kBKPejhQMw3KeFAzhFQAFYAWoJTUFJTkJBU0lDcghWWUFSRDhMQRIKCAIQARgCKgJETBgBIgQIARABKAIoAygEMAE) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Tue, Feb 10 - Sun, Feb 15 LHR London DCA Washington CA $1,052 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1051.40&airProductToken=AQpmCjIIyYQBEgQzNTYzGOuJASCpUSjn5IQDMMzohAM4T0AAWAFqBUJBU0lDcghPTE4wVDFCNAowCMGCARIENDUwOBipUSBDKJjphAMw-umEAzhCQAFYAWoFQkFTSUNyCE9MTjBUMUI0CmgKMQjJhAESBDQ5MTMYQyDBkwEot6GFAzCUooUDOE9AAFgBagVCQVNJQ3IIT0xOMFQxQjQKMwjJhAESBDQwMjcYwZMBIOuJASi5ooUDMMSlhQM4T0ABWAFqBUJBU0lDcghPTE4wVDFCNBIKCAIQARgCKgJJQhgBIgQIARABKAIoAygEMAE) ![Icelandair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/fi.gif) Tue, Feb 10 - Sun, Feb 15 LHR London DCA Washington CA $1,212 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:DCA,departure:10/02/2026TANYT&leg2=from:DCA,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1211.90&airProductToken=AQqiAQo0CMaSARIDNDUxGOuJASCKKSi_5IQDMILmhAM4T0AAWAFqCFNUQU5EQVJEcghPSjJRT0FFQwo0CMaSARIDNjMxGIopIMGTASjc5oQDMLrphAM4T0ABWAFqCFNUQU5EQVJEcghPSjJRT0FFQwo0CMaSARIENzgyORjBkwEgQyi86oQDMKvrhAM4T0ABWAFqCFNUQU5EQVJEcghPSjJRT0FFQwqiAQo0CMaSARIENzg2OBhDIMGTASjnoIUDMMOhhQM4T0AAWAFqCFNUQU5EQVJEcghPSjJRT0FFQwo0CMaSARIDNjMwGMGTASCKKSjSooUDMI2lhQM4T0ABWAFqCFNUQU5EQVJEcghPSjJRT0FFQwo0CMaSARIDNDUwGIopIOuJASjnpYUDMKqnhQM4T0ABWAFqCFNUQU5EQVJEcghPSjJRT0FFQxIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from London (LHR) to Washington (DCA) ### January is typically the cheapest month to fly From CA $662 - CA $1,484 per traveller. ## Alternative airports near Washington Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:LHR,to:BWI,departure:09/11/2025TANYT&leg2=from:BWI,to:LHR,departure:15/11/2025TANYT&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 CA $1,624](https://www.expedia.ca/Flights-Search?leg1=from:LHR,to:BWI,departure:09/11/2025TANYT&leg2=from:BWI,to:LHR,departure:15/11/2025TANYT&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:LHR,to:IAD,departure:09/11/2025TANYT&leg2=from:IAD,to:LHR,departure:15/11/2025TANYT&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 CA $1,052](https://www.expedia.ca/Flights-Search?leg1=from:LHR,to:IAD,departure:09/11/2025TANYT&leg2=from:IAD,to:LHR,departure:15/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from London to Washington (LHR - DCA) route information | Origin airport | Heathrow | | --- | --- | | Destination airport | Ronald Reagan Washington National | | Airlines serving | Air Canada, British Airways, JetBlue Airways, TAP Portugal | | Roundtrip price | CA $829 | | Distance | 5847 km | ## London to Washington Flights **The easy way to book your flights from London to Washington**  With Expedia, it’s simple to find and book flights to Washington from London 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 Ronald Reagan Washington National, 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 London to Washington today, tomorrow, or this week.   **Save dollars with cheap flights from Heathrow, LHR to Ronald Reagan Washington National, DCA**  Sort your search results by price to find great deals on your flight from London to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from London currently is just CA $829 rising to CA $1,212.   Here are more money-saving tips:  - Fly in February when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Washington   - 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 Washington from London**  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 Washington with Expedia today. ## Frequently asked questions ### How much is a flight from LHR to Ronald Reagan Washington National Airport (DCA)? > Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between London Heathrow and DCA start from CA $829. Book today to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Ronald Reagan Washington National Airport (DCA)? > We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Heathrow Airport to Ronald Reagan Washington National Airport (DCA) that have flexible change policies? > Flights from London Heathrow to National Airport with flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between flights, with no added fees to worry about. ### How many hours is the flight from Heathrow Airport to DCA? > The flight time from LHR to DCA is generally 11 hours and 26 minutes. It's is no small journey, so make sure you fill your carry-on with plenty to keep you busy. ### How far is the flight from Heathrow Airport to National Airport? > The distance is around 5,900 kilometres, so pack your carry-on luggage with all the things you need to make your journey comfortable. Wondering what to take on board your Hounslow to Arlington flight? A sleep mask, earplugs and a neck pillow are a few essentials. ### Which airlines fly direct from Heathrow Airport (LHR) to DCA? > Unfortunately, there aren't any airlines that fly directly between LHR and Ronald Reagan Washington National Airport (DCA). You'll need to book a flight with at least one stop. ### Are London Heathrow to National Airport flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally score a bargain, with some of the cheapest airfares from Heathrow Airport to Ronald Reagan Washington National Airport (DCA) appearing a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices so far in advance. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Waukesha to Arlington](https://www.expedia.ca/lp/flights/10170/6236/waukesha-to-arlington) - [Flights from Kitchener to Arlington](https://www.expedia.ca/lp/flights/10579/6236/kitchener-to-arlington) - [Flights from El Paso to Arlington](https://www.expedia.ca/lp/flights/1129/6236/el-paso-to-arlington) - [Flights from Sveg to Arlington](https://www.expedia.ca/lp/flights/1177/6236/sveg-to-arlington) - [Flights from Formosa to Arlington](https://www.expedia.ca/lp/flights/1226/6236/formosa-to-arlington) - [Flights from Friday Harbor to Arlington](https://www.expedia.ca/lp/flights/1248/6236/friday-harbor-to-arlington) - [Flights from Gisborne to Arlington](https://www.expedia.ca/lp/flights/1327/6236/gisborne-to-arlington) - [Flights from Galveston to Arlington](https://www.expedia.ca/lp/flights/1341/6236/galveston-to-arlington) - 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[Flights from McAllen to Arlington](https://www.expedia.ca/lp/flights/2270/6236/mcallen-to-arlington) - [Flights from Minneapolis to Arlington](https://www.expedia.ca/lp/flights/2426/6236/minneapolis-to-arlington) - [Flights from Mus to Arlington](https://www.expedia.ca/lp/flights/2428/6236/mus-to-arlington) - [Flights from Waco to Arlington](https://www.expedia.ca/lp/flights/286/6236/waco-to-arlington) - [Flights from Rawalakot to Arlington](https://www.expedia.ca/lp/flights/2946/6236/rawalakot-to-arlington) - [Flights from Richmond to Arlington](https://www.expedia.ca/lp/flights/2958/6236/richmond-to-arlington) - [Flights from Saratov to Arlington](https://www.expedia.ca/lp/flights/3048/6236/saratov-to-arlington) - [Flights from Wichita Falls to Arlington](https://www.expedia.ca/lp/flights/3254/6236/wichita-falls-to-arlington) - [Flights from Sumbawanga to Arlington](https://www.expedia.ca/lp/flights/3301/6236/sumbawanga-to-arlington) - [Flights from Tanga to Arlington](https://www.expedia.ca/lp/flights/3420/6236/tanga-to-arlington) - [Flights from Tarija to Arlington](https://www.expedia.ca/lp/flights/3448/6236/tarija-to-arlington) - [Flights from Waterloo to Arlington](https://www.expedia.ca/lp/flights/364/6236/waterloo-to-arlington) - [Flights from Amarillo to Arlington](https://www.expedia.ca/lp/flights/371/6236/amarillo-to-arlington) - [Flights from Cambridge Bay to Arlington](https://www.expedia.ca/lp/flights/3907/6236/cambridge-bay-to-arlington) - [Flights from Yakima to Arlington](https://www.expedia.ca/lp/flights/3983/6236/yakima-to-arlington) - [Flights from Peawanuck to Arlington](https://www.expedia.ca/lp/flights/4036/6236/peawanuck-to-arlington) - [Flights from Prince Rupert to Arlington](https://www.expedia.ca/lp/flights/4038/6236/prince-rupert-to-arlington) - [Flights from Regina to Arlington](https://www.expedia.ca/lp/flights/4053/6236/regina-to-arlington) - [Flights from Saskatoon to Arlington](https://www.expedia.ca/lp/flights/4117/6236/saskatoon-to-arlington) - [Flights from Manises to Arlington](https://www.expedia.ca/lp/flights/4208/6236/manises-to-arlington) - 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[Flights from Springfield to Arlington](https://www.expedia.ca/lp/flights/6047669/6236/springfield-to-arlington) - [Flights from Bangor to Arlington](https://www.expedia.ca/lp/flights/6050918/6236/bangor-to-arlington) - [Flights from Adelaide to Arlington](https://www.expedia.ca/lp/flights/6051330/6236/adelaide-to-arlington) - [Flights from Carson City to Arlington](https://www.expedia.ca/lp/flights/6054194/6236/carson-city-to-arlington) - [Flights from Everett to Arlington](https://www.expedia.ca/lp/flights/6054460/6236/everett-to-arlington) - [Flights from Carlsbad to Arlington](https://www.expedia.ca/lp/flights/6054977/6236/carlsbad-to-arlington) - [Flights from Rehoboth Beach to Arlington](https://www.expedia.ca/lp/flights/6055674/6236/rehoboth-beach-to-arlington) - [Flights from Kalispell to Arlington](https://www.expedia.ca/lp/flights/6056415/6236/kalispell-to-arlington) - [Flights from Lewisburg to Arlington](https://www.expedia.ca/lp/flights/6057103/6236/lewisburg-to-arlington) - [Flights from Kingston to Arlington](https://www.expedia.ca/lp/flights/6057821/6236/kingston-to-arlington) - [Flights from Kansas City to Arlington](https://www.expedia.ca/lp/flights/6058374/6236/kansas-city-to-arlington) - [Flights from Texarkana to Arlington](https://www.expedia.ca/lp/flights/6058426/6236/texarkana-to-arlington) - [Flights from El Dorado to Arlington](https://www.expedia.ca/lp/flights/6058427/6236/el-dorado-to-arlington) - [Flights from St Cloud to Arlington](https://www.expedia.ca/lp/flights/6059991/6236/st-cloud-to-arlington) - [Flights from Windsor to Arlington](https://www.expedia.ca/lp/flights/6127335/6236/windsor-to-arlington) - [Flights from Lubbock to Arlington](https://www.expedia.ca/lp/flights/6131013/6236/lubbock-to-arlington) - [Flights from Napa to Arlington](https://www.expedia.ca/lp/flights/6141/6236/napa-to-arlington) - [Flights from Austin to Arlington](https://www.expedia.ca/lp/flights/6169/6236/austin-to-arlington) - [Flights from Taichung to Arlington](https://www.expedia.ca/lp/flights/6177563/6236/taichung-to-arlington) - [Flights from Fua'amotu to Arlington](https://www.expedia.ca/lp/flights/6276952/6236/fuaamotu-to-arlington) - [Flights from Bali to Arlington](https://www.expedia.ca/lp/flights/6307804/6236/bali-to-arlington) - [Flights from Edmonton International Airport to Arlington](https://www.expedia.ca/lp/flights/6337367/6236/edmonton-international-airport-to-arlington) - [Flights from Bata to Arlington](https://www.expedia.ca/lp/flights/696/6236/bata-to-arlington) - [Flights from Fort Stockton to Arlington](https://www.expedia.ca/lp/flights/7318/6236/fort-stockton-to-arlington) - [Flights from College Station to Arlington](https://www.expedia.ca/lp/flights/861/6236/college-station-to-arlington) - [Flights from Corpus Christi to Arlington](https://www.expedia.ca/lp/flights/915/6236/corpus-christi-to-arlington) - [Flights from Santa Ana to Arlington](https://www.expedia.ca/lp/flights/9267/6236/santa-ana-to-arlington) - [Flights from Hpa-An to Arlington](https://www.expedia.ca/lp/flights/9350/6236/hpa-an-to-arlington) - [Flights from Sion to Arlington](https://www.expedia.ca/lp/flights/9869/6236/sion-to-arlington) - [Flights from Burlington (BTV) to Washington (IAD)](https://www.expedia.ca/lp/flights/btv/iad/burlington-to-washington) - [Flights from Lahore (LHE) to Washington (IAD)](https://www.expedia.ca/lp/flights/lhe/iad/lahore-to-washington) - [Flights from Sudbury (YSB) to Washington (IAD)](https://www.expedia.ca/lp/flights/ysb/iad/sudbury-to-washington) \*Available to Expedia members.