| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Washington DC London Heathrow | Outbound 10/08/25 1 Stopover (CPH) SK0926, SK1517 14h 35min | Return 10/27/25 1 Stopover (CPH) SK0500, SK0925 15h 35min |  SAS Scandinavian Airlines |  | $414 | ||
| Best option Washington DC London Heathrow | Outbound 11/09/25 direct AY5416 07h 15min | Return 12/03/25 direct AY5417 08h 25min |  Finnair |  | $539 | ||
| Washington DC London Heathrow | Outbound 10/18/25 1 Stopover (LIS) TP0234, TP1350 14h 10min | Return 10/24/25 1 Stopover (LIS) TP1351, TP0231 12h 20min |  TAP Air Portugal |  | $568 | ||
| Washington DC London Heathrow | Outbound 10/08/25 1 Stopover (CPH) SK0926, SK1517 14h 35min | Return 10/27/25 1 Stopover (CPH) SK0500, SK0925 15h 35min | SAS Scandinavian Airlines |  | ? | $418 | |
| Washington DC London Heathrow | Outbound 10/08/25 1 Stopover (CPH) SK0926, SK1517 14h 35min | Return 10/27/25 1 Stopover (CPH) SK0500, SK0925 15h 35min | SAS Scandinavian Airlines |  | $424 | ||
| Washington DC London Heathrow | Outbound 10/08/25 1 Stopover (CPH) SK0926, SK1517 14h 35min | Return 10/27/25 1 Stopover (CPH) SK0500, SK0925 15h 35min | SAS Scandinavian Airlines |  | ? | $425 | |
| Washington DC London Heathrow | Outbound 10/08/25 1 Stopover (CPH) SK0926, SK1517 14h 35min | Return 10/27/25 1 Stopover (CPH) SK0500, SK0925 15h 35min | SAS Scandinavian Airlines |  | ? | $436 | |
| Washington DC London Heathrow | Outbound 10/20/25 1 Stopover (KEF) FI0644, FI0450 10h 25min | Return 11/13/25 1 Stopover (KEF) FI0451, FI0645 11h 05min |  Icelandair | | $475 | ||
| Washington DC London Heathrow | Outbound 10/20/25 1 Stopover (KEF) FI0644, FI0450 10h 25min | Return 11/13/25 1 Stopover (KEF) FI0451, FI0645 11h 05min | Icelandair | | $476 | ||
| Washington DC London Heathrow | Outbound 10/20/25 1 Stopover (KEF) FI0644, FI0450 10h 25min | Return 11/13/25 1 Stopover (KEF) FI0451, FI0645 11h 05min | Icelandair |  | ? | $483 |
Stops
- Direct flight
Airline
- SAS Scandinavian Airlines
- United Airlines
- Icelandair
- Virgin Atlantic Airways
- Air Canada
Tips and tricks to help you find cheap flights from Washington DC to London Heathrow
Favorite airline: Aer Lingus
Aer Lingus is the most popular airline for flights from Washington DC to London Heathrow.
Aer Lingus
30 %
Icelandair
24 %
British Airways
17 %
Cheapest weekday: Thursday
Compared to other weekdays, flights are cheapest on Thursday.
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $129.00 more expensive on this route.
non stop flight
1 stop
2 stops
07h 20min
18h 45min
21h 40min
$ 562
$ 433
$ 599
Favourite connection: via Dublin
When booking flights from Washington DC to London Heathrow 33 % of travelers prefer to fly via Dublin.
Route
bookings
1 stopover Dublin
11h 00min, from $ 442
33 %
1 stopover Reykjavik-Keflavik International
18h 45min, from $ 433
27 %
Direct flights
07h 20min, from $ 562
22 %
Important flight information
Flight information: Washington DC - London Heathrow
| Roundtrip from | $ 413,77 |
|---|---|
| Flight duration | min. 07:00 / max. 07:25 |
| Return flight duration | min. 08:20/ max. 08:45 |
| Distance | 5908 km |
| Flights per week | 52 |
| Departure airport | Airport Washington DC - Dulles International Airport, DC (IAD) |
| Arrival airport | Airport London Heathrow (LHR) |
| Destination country | Flights to United Kingdom |
Alternative routes to United Kingdom
- Flight Washington DC - Manchester from $ 512
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $ 554
- Flight Boston - London Heathrow from $ 437
- Flight Detroit - London Heathrow from $ 494
- Flight Miami - London Heathrow from $ 186
- Flight Chicago O'Hare - London Heathrow from $ 413
- Flight Seattle-Tacoma - London Heathrow from $ 511
- Flight San Francisco - London Heathrow from $ 506
- Flight Baltimore - London Heathrow from $ 506
- Flight Denver - London Heathrow from $ 460
- Flight Dallas - London Heathrow from $ 582
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $ 702
- Flight London Heathrow - Abuja from $ 694
- Flight London Heathrow - Amman from $ 339
- Flight London Heathrow - Amsterdam from $ 189
- Flight London Heathrow - Abu Dhabi from $ 389
- Flight London Heathrow - Barcelona from $ 119
- Flight London Heathrow - Cairo from $ 662
- Flight London Heathrow - Cologne from $ 145
- Flight London Heathrow - Dusseldorf from $ 111
- Flight London Heathrow - Dubai from $ 1.714
Flight destinations with a similar price
- Flight Washington DC - Berlin from $ 427
- Flight Washington DC - Copenhagen from $ 419
- Flight Washington DC - Montego Bay from $ 410
- Flight Washington DC - Mexico City from $ 431
- Flight Washington DC - Santa Ana, CA from $ 386
- Flight Washington DC - Bermuda from $ 421
- Flight Washington DC - Stuttgart from $ 440
- Flight Washington DC - Madrid from $ 442
- Flight Washington DC - Dublin from $ 454
- Flight Washington DC - Providenciales from $ 433