£218 Cheap Flights from Washington (WAS) to London (LHR)

Popular airlines from Washington to London (LHR-Heathrow)

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Cheap Flights from Washington (WAS) to London (LHR)

Prices were available within the past 7 days and start at £218 for one-way flights and £332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Scandinavian Airlines
Icelandair
Aer Lingus
KLM
Virgin Atlantic
Air France
Swiss International Air Lines
KLM
Delta

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Washington (WAS) to London (LHR)

November is typically the cheapest month to fly

From £341 - £587 per traveller.
Flight from Washington to London route information
Origin airport
Washington Dulles Intl.
Destination airport
Heathrow
Return price
£331
Distance
5866 km

Compare flights from Washington to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from WAS-All Airports to Heathrow.  

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 WAS-All Airports (WAS) to Heathrow (LHR)

The easiest way to view the best deals on flights from Washington to London 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 WAS-All Airports to Heathrow start at just £332 and range up to £460.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and London
  • booking your flight during February, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from WAS-All Airports to Heathrow 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

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