Favorite airline: United Airlines
United Airlines is the most popular airline for flights from Washington DC to London.
United Airlines
8 %
Lufthansa
7 %
Austrian Airlines
7 %
Tip: book 5 days before departure
The best time to find a cheap flight on this route is 5 days before travel. Save up to 48 %.
5 days before departure
Cheapest weekday: Saturday
The cheapest flights on this route are operated on Saturday.
Stopover flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 34 % cheaper.
non stop flight
1 stop
2 stops
07h 05min
17h 45min
17h 40min
$524
$390
$505
The favorite connection is non-stop
42 % of all bookings on the route Washington DC to London are for non-stop flights.
Route
bookings
Direct flights
07h 05min, from $524
42 %
1 stopover New York - John F. Kennedy International Airport, NY
14h 18min, from $532
7 %
1 stopover Dublin
09h 30min, from $533
7 %
Round trip from $390.00
Currently, flights on this route are cheapest departing on 01/20/2020 and returning on 02/10/2020.

$390
Cheap
$377
Expensive
$892