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Outbound flight: 12/16/21
22:30 IAD
15:45 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Lufthansa
Return flight: 01/04/22
18:00 LON
09:19 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
Air Canada
$617
Check
Outbound flight: 12/16/21
18:20 IAD
06:30 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
KLM
Return flight: 01/04/22
10:45 LON
16:55 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
Delta Air Lines
$617
Check
Outbound flight: 12/16/21
22:40 IAD
10:40 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
American Airlines
Return flight: 01/04/22
19:25 LON
07:59 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
American Airlines
$675
Check
Outbound flight: 12/16/21
17:15 IAD
17:40 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
SAS Scandinavian Airlines
Return flight: 01/04/22
20:30 LON
15:15 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
SAS Scandinavian Airlines
$708
Check
Outbound flight: 12/16/21
22:00 IAD
10:15 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
Lufthansa
Return flight: 01/04/22
18:00 LON
09:19 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
Air Canada
$744
Check
Outbound flight: 12/16/21
18:00 IAD
15:45 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
TAP Air Portugal
Return flight: 01/04/22
06:00 LON
14:10 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
TAP Air Portugal
$820
Check
Outbound flight: 12/16/21
18:25 IAD
06:40 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
Austrian Airlines
Return flight: 01/04/22
20:15 LON
19:55 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
Lufthansa
$823
Check
Outbound flight: 12/16/21
22:00 IAD
10:15 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
United Airlines
Return flight: 01/04/22
16:20 LON
19:45 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
direct
United Airlines
$880
Check
Outbound flight: 12/16/21
18:00 IAD
11:25 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
TAP Air Portugal
Return flight: 01/04/22
15:25 LON
18:59 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
1 Stopover
Royal Air Maroc
$943
Check
Outbound flight: 12/16/21
22:00 IAD
10:15 LON
Washington DC - Dulles International Airport, DC
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
Lufthansa
Return flight: 01/04/22
16:20 LON
19:45 IAD
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Washington DC - Dulles International Airport, DC
direct
Lufthansa
$994
Check
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to London

Favorite airline: United Airlines
The favorite airline for flights from Washington DC to London is United Airlines.
United Airlines
8 %
Lufthansa
7 %
Austrian Airlines
7 %
Tip: book 2 months before departure
Save up to 53 % by booking flights 2 months before departure.
76 days before departure
Direct flights are more expensive
Compared to direct flights, flights with a stopover on this route are on average 27 % cheaper.
non stop flight
1 stop
2 stops
07h 25min
19h 25min
17h 35min
$609
$481
$622
The favorite connection is non-stop
40 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
07h 25min, from $609
40 %
1 stopover Dublin
09h 45min, from $721
9 %
1 stopover Zurich (Zürich)-Kloten
11h 25min, from $643
7 %
Flight information Washington DC - London
Alternative flight routes
Cheap direct flights
Flight details Washington DC - London
  • Flight duration: min. 07:00 / max. 07:25
  • Distance: 5927 km
  • Flights per week: 52
  • Return flight duration: min. 08:20 / max. 08:45
Top Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.