Flights from Washington DC to London Heathrow with British Airways

Our cheapest offers for flights from Washington DC to London Heathrow

Here you can compare cheap flights from Washington DC (IAD) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Please use our search to find current cheap offers for the following route: from Washington DC (IAD) to London Heathrow (LHR)
You can also change your filters (Departure airport: Washington DC (IAD), Destination airport: London Heathrow (LHR), Airline: British Airways) or look for alternative cheap flights.

Important flight information

Flight information: Washington DC - London Heathrow

Cheapest outbound flight from 259,97 $
Roundtrip from 501,90 $
Flight duration min. 07:00 / max. 07:25
Return flight duration min. 08:20/ max. 08:45
Distance 5908 km
Flights per week 52
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
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