Flights from Washington DC to London Heathrow

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Outbound flight: 06/09/23
22:05 WAS
17:45 LHR
Washington-DC
London Heathrow
1 Stopover
TAP Air Portugal
$405
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Outbound flight: 06/09/23
23:15 WAS
11:55 LHR
Washington-DC
London Heathrow
1 Stopover
Icelandair
$414
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Outbound flight: 04/04/23
20:35 WAS
11:55 LHR
Washington-DC
London Heathrow
1 Stopover
Icelandair
Return flight: 04/11/23
21:25 LHR
19:15 WAS
London Heathrow
Washington-DC
1 Stopover
Icelandair
$573
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Outbound flight: 04/04/23
19:53 WAS
10:20 LHR
Washington-DC
London Heathrow
1 Stopover
Finnair
Return flight: 04/11/23
17:15 LHR
20:25 WAS
London Heathrow
Washington-DC
direct
Finnair
$597
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Outbound flight: 04/04/23
22:45 WAS
11:00 LHR
Washington-DC
London Heathrow
direct
Finnair
Return flight: 04/11/23
17:15 LHR
20:25 WAS
London Heathrow
Washington-DC
direct
Finnair
$606
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Outbound flight: 04/04/23
19:53 WAS
10:20 LHR
Washington-DC
London Heathrow
1 Stopover
Finnair
Return flight: 04/11/23
12:15 LHR
19:21 WAS
London Heathrow
Washington-DC
1 Stopover
British Airways
$615
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Outbound flight: 04/04/23
16:00 WAS
06:30 LHR
Washington-DC
London Heathrow
1 Stopover
Air Canada
Return flight: 04/11/23
06:00 LHR
15:15 WAS
London Heathrow
Washington-DC
1 Stopover
Swiss International Air Lines
$624
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Outbound flight: 04/04/23
16:00 WAS
06:30 LHR
Washington-DC
London Heathrow
1 Stopover
Air Canada
Return flight: 04/11/23
06:00 LHR
15:15 WAS
London Heathrow
Washington-DC
1 Stopover
Swiss International Air Lines
$624
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Outbound flight: 04/04/23
16:00 WAS
06:30 LHR
Washington-DC
London Heathrow
1 Stopover
Air Canada
Return flight: 04/11/23
19:30 LHR
14:35 WAS
London Heathrow
Washington-DC
1 Stopover
Austrian Airlines
$626
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Outbound flight: 04/04/23
15:04 WAS
07:40 LHR
Washington-DC
London Heathrow
1 Stopover
British Airways
Return flight: 04/11/23
12:15 LHR
19:21 WAS
London Heathrow
Washington-DC
1 Stopover
British Airways
$628
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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
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
Stopover flights are the cheapest connection
Direct flights on this route are $128.00 more expensive on average 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
Direct 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
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.