Flights from London Heathrow to Washington DC with United Airlines

Our cheapest offers for flights from London Heathrow to Washington DC

Here you can compare cheap flights from London Heathrow (LHR) to Washington DC (IAD) 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 Washington DC. Prices and availability may change at any time.

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

Important flight information

Flight information: London Heathrow - Washington DC

Cheapest outbound flight from £ 504,99
Outbound and return from £ 362,99
Flight duration min. 08:20 / max. 08:45
Return flight duration min. 07:00/ max. 07:25
Distance 5908 km
Flights per week 52
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Washington DC
Popular destinations for onward travel
Flight destinations with a similar price