
Popular airlines from Heathrow Airport (LHR) to Ronald Reagan National Airport (DCA)
- JetBlue Airways
JetBlue Airways
- Finnair
Finnair
- Air Canada
Air Canada
- Virgin Atlantic
Virgin Atlantic
- British Airways
British Airways
- Iberia
Iberia
- American Airlines
American Airlines
- Plan, book, fly with confidence
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Cheap Flights from London (LHR) to Washington (DCA)
Prices were available within the past 7 days and start at £392 for one-way flights and £437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from London (LHR) to Washington (DCA)
January is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Heathrow |
Destination airport | Ronald Reagan Washington National |
Airlines serving | Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic |
Return price | £437 |
Distance | 5847 km |
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 Heathrow 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 Heathrow (LHR) 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 Heathrow to Ronald Reagan Washington National start at just £437 and range up to £745.
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 November, 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 Heathrow 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.
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Top Routes to Washington
- Newark Liberty Intl. Airport to Washington (EWR - DCA)
- Boston to Washington (BOS - DCA)
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- Dublin to Washington (DUB - DCA)
- Birmingham to Washington (BHX - DCA)
- Newcastle to Washington (NCL - DCA)
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