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Cheap Flights from London to Washington

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

London to Washington route information

Origin Airport Heathrow
Destination Airport Ronald Reagan Washington National
Airlines Serving Air Canada, Air France, Alitalia, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, TAP Portugal, United, Virgin Atlantic
Flight Price £579
Distance 5,847 km





Cheap LHR to DCA Flights

  • Question : What is the cheapest date to fly to Washington?
    Answer : As of Jun 24th, the best day for booking to Washington (DCA) is Jun 28th. Your ticket will cost £371, which is 69% less than this route's average price.
  • Question : How long do most people stay on their visit to Washington on average?
    Answer : Of course, you're not most people, but if you were, you'd stay roughly 17 days.
  • Question : What is the cheapest airline flying from London to Washington?
    Answer : Air Canada is offering the best deal at £371. Better snatch up that deal fast because prices range all the way up to £2,886 over the next three months.
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from London to Washington is on Wednesday. If you want to save a little money on your next business trip look for flights on Wednesday.
  • Question : How much is a plane ticket to Washington (DCA) from London (LHR)?
    Answer : They can range anywhere from £371 to £2,886. However, usually the sooner you book, the more you'll be able to save.
  • Question : Can I change the date of my flight?
    Answer : Yes, you can change your departure or arrival date. If you wish to save a little cash in doing so, the lowest-cost day to fly in July is Wednesday.