
Popular airlines from London to Washington
- KLM
KLM
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- Finnair
Finnair
- Virgin Atlantic
Virgin Atlantic
- TAP Portugal
TAP Portugal
- Icelandair
Icelandair
- Plan, book, fly with confidence
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Cheap Flights from London (LON) to Washington (WAS)
Prices were available within the past 7 days and start at £275 for one-way flights and £322 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 (LON) to Washington (WAS)
March is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Stansted |
Destination airport | Baltimore Washington Intl. Thurgood Marshall |
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 |
Return price | £322 |
Distance | 5831 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 WAS-All Airports in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from LON-All Airports to WAS-All Airports.
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 LON-All Airports (LON) to WAS-All Airports (WAS)
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 LON-All Airports to WAS-All Airports start at just £322 and range up to £608.
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 October, 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 LON-All Airports to WAS-All Airports 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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