Search flights from Washington (WAS) to London (LON)

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Cheapest flights to London

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Washington to London: things to know

The most popular route is from Washington Dulles International Airport in Washington to London Heathrow Airport in London. On average this flight takes 8 hours 3 minutes one way and costs US$1,358 for the round trip.

Most popular route
Washington Dulles International Airport (IAD) to London Heathrow Airport (LHR)
Average flight time
8 hours 3 minutes
Average round-trip price
US$1,358
Fly from Washington to London
25 airlines

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Airlines that fly from Washington to London

Airline options may vary according to recently booked flights and your search terms

  • Virgin Atlantic
  • British Airways
  • Originair
  • Icelandair
  • United Airlines
  • Aer Lingus
  • Lufthansa
  • TAP Portugal
  • Iberia
  • JetBlue
  • American Airlines
  • Scandinavian Airlines
  • Air France
  • Austrian Airlines
  • Air Canada
  • Finnair

Frequently asked questions

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Flights from Washington to the United Kingdom

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Flights to London Heathrow Airport

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Flights to London Gatwick Airport

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Flights to England

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Flights to Greater London

Reaching Greater London just got easier!

Hotels in London

Thinking about which towns and cities to visit during your trip? Try London, a popular choice with other visitors.

Flights from the United States to the United Kingdom

More options to fly to the United Kingdom.