Flights from Washington DC to London Heathrow

Tips and tricks to help you find cheap flights from Washington DC to London Heathrow

Favorite airline: e.g. Air Canada, United Airlines
Most travelers looking for flights on the route from Washington DC to London Heathrow decide to book flights with Air Canada.
Air Canada
27 %
United Airlines
27 %
18 %
Tip: book 16 days before departure
Save up to 29 % by booking flights 16 days before departure.
16 days before departure
Cheapest weekday: Monday
The cheapest day of departure is Monday. You can save up to 50 % when you fly on these days of the week.
Favourite connection: via New York
Stopover flights on this route are especially popular via New York, making up 50 % of bookings.
1 stopover New York - John F. Kennedy International Airport, NY
10h 35min, from $608
50 %
1 stopover New York - Newark Liberty International Airport, NJ
09h 40min, from $593
33 %
2 stopovers Toronto - Lester B. Pearson International Airport Montréal-Pierre Elliott Trudeau International Airport
28h 50min, from $667
17 %

Flight information: Washington DC - London Heathrow

Roundtrip from $592.79
Flight duration min. 08:22
Distance 5887 km
Flights per week 1
Departure airport Washington DC - Ronald Reagan National Airport, VA (DCA)
Arrival airport London Heathrow (LHR)
Destination country United Kingdom