How much should you expect to spend for a flight from Washington to London Heathrow?

Flight prices from Washington to London change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Is there more than one airport in Washington or London?

Even short-haul routes can benefit from considering secondary airports. It may open up more flight times or cheaper fares.

• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Airports with more daily flights offer more flexibility if plans change or delays occur. If you’re flexible, consider airports near London as well.

Find the best flight from Washington to London Heathrow

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Ryanair, Easyjet, British Airways, and more.

Other popular destinations

Searching for flights to United Kingdom? Travelers also looked at: Edinburgh, London, Manchester, Newcastle, Newquay.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Washington – London Heathrow flights.