Flights from Washington DC to London Heathrow

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  • Booking tips
Outbound flight: 06/09/23
22:05 IAD
17:45 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
TAP Air Portugal
$405
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Outbound flight: 06/09/23
23:15 IAD
11:55 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
Icelandair
$414
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Outbound flight: 04/11/23
17:10 IAD
08:00 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
Aer Lingus Irish Airlines
Return flight: 04/19/23
09:50 LHR
15:40 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
1 Stopover
Aer Lingus Irish Airlines
$520
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Outbound flight: 04/11/23
17:55 IAD
12:45 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
TAP Air Portugal
Return flight: 04/19/23
11:35 LHR
17:50 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
1 Stopover
Play
$527
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Outbound flight: 04/11/23
20:35 IAD
11:55 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
Icelandair
Return flight: 04/19/23
13:05 LHR
19:25 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
1 Stopover
Icelandair
$541
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Outbound flight: 04/11/23
17:55 IAD
22:00 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
TAP Air Portugal
Return flight: 04/19/23
19:50 LHR
15:15 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
1 Stopover
TAP Air Portugal
$549
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Outbound flight: 04/11/23
17:55 IAD
06:15 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
direct
Iberia
Return flight: 04/19/23
15:00 LHR
21:25 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
1 Stopover
British Airways
$568
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Outbound flight: 04/04/23
20:35 IAD
11:55 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
Icelandair
Return flight: 04/11/23
21:25 LHR
19:15 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
1 Stopover
Icelandair
$573
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Outbound flight: 04/11/23
17:55 IAD
06:15 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
direct
Iberia
Return flight: 04/19/23
17:15 LHR
20:25 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
direct
Finnair
$573
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Outbound flight: 04/11/23
13:20 IAD
07:15 LHR
Washington DC - Dulles International Airport, DC
London Heathrow
1 Stopover
Virgin Atlantic Airways
Return flight: 04/19/23
12:45 LHR
16:10 IAD
London Heathrow
Washington DC - Dulles International Airport, DC
direct
Virgin Atlantic Airways
$580
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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
The favorite airline for flights from Washington DC to London Heathrow is United Airlines.
United Airlines
10 %
Lufthansa
8 %
Austrian Airlines
8 %
Tip: book 2 months before departure
Save up to 53 % by booking flights 2 months before departure.
76 days before departure
Stopover flights are the cheapest connection
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
28h 08min
$609
$481
$1,374
The favorite connection is non-stop
Direct flights are especially popular on this route. 58 % of travelers will book a direct flight.
Route
bookings
Direct flights
07h 25min, from $609
58 %
1 stopover Zurich (Zürich)-Kloten
11h 25min, from $643
7 %
1 stopover Brussels
11h 40min, from $640
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. 07:25
  • Distance: 5908 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.