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Outbound flight: 08/27/21
21:55 WAS
22:55 LHR
Washington-DC
London Heathrow
1 Stopover
TAP Air Portugal
Return flight: 09/28/21
18:45 LHR
20:15 WAS
London Heathrow
Washington-DC
1 Stopover
TAP Air Portugal
$452
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Outbound flight: 08/27/21
20:35 WAS
11:55 LHR
Washington-DC
London Heathrow
1 Stopover
Icelandair
Return flight: 09/28/21
13:10 LHR
19:10 WAS
London Heathrow
Washington-DC
1 Stopover
Icelandair
$616
Check
Outbound flight: 08/27/21
20:35 WAS
11:55 LHR
Washington-DC
London Heathrow
1 Stopover
Icelandair
Return flight: 09/28/21
21:25 LHR
19:10 WAS
London Heathrow
Washington-DC
1 Stopover
Icelandair
$616
Check
Outbound flight: 05/29/21
18:15 WAS
06:45 LHR
Washington-DC
London Heathrow
direct
United Airlines
$685
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Outbound flight: 08/27/21
17:00 WAS
11:10 LHR
Washington-DC
London Heathrow
1 Stopover
Aer Lingus Irish Airlines
Return flight: 09/28/21
08:50 LHR
15:30 WAS
London Heathrow
Washington-DC
1 Stopover
Aer Lingus Irish Airlines
$686
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Outbound flight: 08/27/21
23:15 WAS
22:25 LHR
Washington-DC
London Heathrow
1 Stopover
Turkish Airlines
Return flight: 09/28/21
06:45 LHR
18:50 WAS
London Heathrow
Washington-DC
1 Stopover
Turkish Airlines
$692
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Outbound flight: 08/27/21
23:15 WAS
20:45 LHR
Washington-DC
London Heathrow
1 Stopover
Turkish Airlines
Return flight: 09/28/21
18:20 LHR
18:50 WAS
London Heathrow
Washington-DC
1 Stopover
Turkish Airlines
$692
Check
Outbound flight: 08/27/21
17:00 WAS
07:10 LHR
Washington-DC
London Heathrow
1 Stopover
United Airlines
Return flight: 09/28/21
06:00 LHR
15:10 WAS
London Heathrow
Washington-DC
1 Stopover
Swiss International Air Lines
$699
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Outbound flight: 08/27/21
18:15 WAS
06:45 LHR
Washington-DC
London Heathrow
direct
United Airlines
Return flight: 09/28/21
06:00 LHR
15:10 WAS
London Heathrow
Washington-DC
1 Stopover
Swiss International Air Lines
$703
Check
Outbound flight: 08/27/21
18:20 WAS
06:25 LHR
Washington-DC
London Heathrow
direct
Delta Air Lines
Return flight: 09/28/21
09:55 LHR
15:40 WAS
London Heathrow
Washington-DC
1 Stopover
Delta Air Lines
$711
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-Heathrow

Favorite airline: United Airlines
21 % of travelers choose to book flights on this route with United Airlines, Lufthansa and Austrian Airlines.
United Airlines
8 %
Lufthansa
7 %
Austrian Airlines
6 %
Tip: book 2 months before departure
Our tip: book flights on this route 2 months before departure and save up to 53 %.
76 days before departure
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $128.00 more expensive on this route.
non stop flight
1 stop
2 stops
07h 25min
19h 25min
13h 46min
$609
$481
$834
The favorite connection is non-stop
46 % of travelers decide to book a direct flight on this route.
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
Alternative flight routes
Cheap direct flights
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
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.