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

Favorite airline: United Airlines
8 % of flights from Washington-DC to London Heathrow are booked with United Airlines.
United Airlines
8 %
Lufthansa
7 %
Austrian Airlines
6 %
Tip: book 2 months before departure
The best time to find a cheap flight on this route is 2 months before travel. Save up to 53 %.
76 days before departure
Direct flights are more expensive
On this route, direct flights are $128.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
07h 25min
19h 25min
13h 46min
$609
$481
$834
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 46 % of travelers will book a direct flight.
Route
bookings
Direct flights
07h 25min, from $609
46 %
1 stopover New York - John F. Kennedy International Airport, NY
10h 25min, from $633
16 %
1 stopover Boston Logan International Airport, MA
11h 50min, from $588
6 %
Flight information Washington-DC - London Heathrow
Flight details Washington-DC - London Heathrow
  • Flight duration: min. 07:00 / max. 08:22
  • Distance: 5885 km
  • Flights per week: 53
  • Return flight duration: min. 08:20 / max. 08:45