| 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 $495
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $533
- 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 $502
- Flight San Francisco - London Heathrow from $506
- Flight Baltimore - London Heathrow from $488
- 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 - Abu Dhabi from $389
- Flight London Heathrow - Toronto from $412
- Flight London Heathrow - Cologne from $126
- Flight London Heathrow - Dusseldorf from $104
- Flight London Heathrow - Frankfurt from $139
- Flight London Heathrow - Barcelona from $119
- Flight London Heathrow - Ahmedabad from $501
- Flight London Heathrow - Amritsar from $635
- Flight London Heathrow - Erbil from $490
Flight destinations with a similar price
- Flight Washington DC - Berlin from $427
- Flight Washington DC - Bermuda from $421
- Flight Washington DC - Stuttgart from $440
- Flight Washington DC - Copenhagen from $419
- Flight Washington DC - Madrid from $442
- Flight Washington DC - Dublin from $454
- Flight Washington DC - Mexico City from $421
- Flight Washington DC - Providenciales from $395