| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 04/16/26 1 Stopover (KEF) FI0451, FI0645 11h 15min |  Icelandair |  | $591 | ||
| Best option Washington DC London Heathrow | Outbound 04/06/26 direct OS7808 07h 30min | Return 04/17/26 direct OS7807 08h 15min |  Austrian Airlines |  | ? | $655 | |
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 04/16/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Icelandair |  | ? | $594 | |
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 04/16/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Icelandair |  | $595 | ||
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 04/16/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Icelandair |  | ? | $601 | |
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (FCO) AZ0619, AZ0204 18h 10min | Return 04/16/26 1 Stopover (FCO) AZ0203, AZ0618 33h 10min |  Italia Trasporto Aereo | | $623 | ||
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (FCO) AZ0619, AZ0204 18h 10min | Return 04/16/26 1 Stopover (FCO) AZ0203, AZ0618 33h 10min | Italia Trasporto Aereo | | $627 | ||
| Washington DC London Heathrow | Outbound 04/03/26 direct UA0918 07h 30min | Return 04/16/26 1 Stopover (BRU) UA9924, UA9903 11h 40min |  United Airlines |  | ? | $673 | |
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 04/16/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Icelandair |  | ? | $686 | |
| Washington DC London Heathrow | Outbound 04/03/26 1 Stopover (DUB) EI0118, EI0162 11h 15min | Return 04/16/26 1 Stopover (DUB) EI0159, EI0119 11h 55min |  Aer Lingus Irish Airlines |  | ? | $717 |
Stops
- Direct flight
Airline
- Icelandair
- United Airlines
- Austrian Airlines
- Italia Trasporto Aereo
- Lufthansa
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 $US
433 $US
599 $US
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 $US
33 %
1 stopover Reykjavik-Keflavik International
18h 45min, from 433 $US
27 %
Direct flights
07h 20min, from 562 $US
22 %
Important flight information
Flight information: Washington DC - London Heathrow
| Roundtrip from | 590,94 $US |
|---|---|
| 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 flights to London Heathrow
- Flight Los Angeles - London Heathrow from 684 $US
- Flight Boston - London Heathrow from 500 $US
- Flight Detroit - London Heathrow from 772 $US
- Flight Miami - London Heathrow from 668 $US
- Flight Chicago O'Hare - London Heathrow from 445 $US
- Flight San Francisco - London Heathrow from 641 $US
- Flight Denver - London Heathrow from 581 $US
- Flight Dallas - London Heathrow from 822 $US
- Flight Newark - London Heathrow from 417 $US
- Flight New York - London Heathrow from 442 $US
Flight destinations with a similar price
- Flight London Heathrow - Colombo from 963 $US
- Flight London Heathrow - Dubai from 502 $US
- Flight London Heathrow - Vienna from 182 $US
- Flight London Heathrow - Melbourne from 1 219 $US
- Flight London Heathrow - Sydney from 1 252 $US
- Flight London Heathrow - Toronto from 603 $US
- Flight London Heathrow - Geneva from 196 $US
- Flight London Heathrow - Zurich from 79 $US
- Flight London Heathrow - Edinburgh from 155 $US
- Flight London Heathrow - Prague from 151 $US
Flight destinations with a similar price
- Flight Washington DC - Berlin from 607 $US
- Flight Washington DC - Dubai from 625 $US
- Flight Washington DC - Santa Cruz from 636 $US
- Flight Washington DC - Austin from 535 $US
- Flight Washington DC - Phoenix - Sky Harbor from 589 $US
- Flight Washington DC - Frankfurt from 596 $US
- Flight Washington DC - Hamburg from 638 $US
- Flight Washington DC - Stuttgart from 632 $US
- Flight Washington DC - Georgetown, Guyana from 636 $US
- Flight Washington DC - Reykjavik-Keflavik from 579 $US