| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Washington DC London Heathrow | Outbound 05/20/26 1 Stopover (LIS) TP0234, TP1368 12h 00min | Return - |  TAP Air Portugal |  | $437 | ||
| Washington DC London Heathrow | Outbound 05/16/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 05/29/26 1 Stopover (KEF) FI0455, FI0645 26h 55min |  Icelandair |  | $634 | ||
| Best option Washington DC London Heathrow | Outbound 05/16/26 direct BA0292 07h 25min | Return 05/29/26 direct BA0293 08h 15min |  British Airways |  | ? | $802 | |
| Washington DC London Heathrow | Outbound 05/16/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 05/29/26 1 Stopover (KEF) FI0455, FI0645 26h 55min | Icelandair |  | $637 | ||
| Washington DC London Heathrow | Outbound 05/16/26 1 Stopover (KEF) FI0644, FI0450 10h 25min | Return 05/29/26 1 Stopover (KEF) FI0455, FI0645 26h 55min | Icelandair |  | ? | $659 | |
| Washington DC London Heathrow | Outbound 05/16/26 1 Stopover (KEF) FI0644, FI0450 10h 25min | Return 05/29/26 1 Stopover (KEF) FI0455, FI0645 26h 55min | Icelandair |  | ? | $728 | |
| Washington DC London Heathrow | Outbound 05/16/26 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 05/29/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Icelandair |  | $755 | ||
| Washington DC London Heathrow | Outbound 05/16/26 1 Stopover (CPH) SK0926, SK0505 14h 40min | Return 05/29/26 1 Stopover (CPH) SK0502, SK0925 11h 30min |  SAS Scandinavian Airlines |  | ? | $760 | |
| Washington DC London Heathrow | Outbound 05/16/26 direct BA0292 07h 25min | Return 05/29/26 1 Stopover (CLT) BA1610, BA5183 11h 58min | British Airways |  | ? | $812 | |
| Washington DC London Heathrow | Outbound 07/26/26 1 Stopover (DUB) EI0118, EI0162 10h 40min | Return 08/05/26 1 Stopover (DUB) EI0163, EI0119 10h 50min |  Aer Lingus Irish Airlines | | ? | $812 |
Stops
- Direct flight
Airline
- Icelandair
- British Airways
- Virgin Atlantic Airways
- SAS Scandinavian Airlines
- Aer Lingus Irish Airlines
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
| Cheapest outbound flight from | 436,97 $ |
|---|---|
| Roundtrip from | 633,03 $ |
| 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 681 $
- Flight San Francisco - London Heathrow from 609 $
- Flight Austin - London Heathrow from 730 $
- Flight Columbus - London Heathrow from 722 $
- Flight Kansas City - London Heathrow from 780 $
- Flight Newark - London Heathrow from 534 $
- Flight Tampa - London Heathrow from 321 $
- Flight Minneapolis - London Heathrow from 1.060 $
- Flight Chicago O'Hare - London Heathrow from 696 $
- Flight Baltimore - London Heathrow from 634 $
Flight destinations with a similar price
- Flight London Heathrow - Singapore from 688 $
- Flight London Heathrow - Prague from 234 $
- Flight London Heathrow - Berlin from 167 $
- Flight London Heathrow - Vienna from 115 $
- Flight London Heathrow - Edinburgh from 131 $
- Flight London Heathrow - Melbourne from 976 $
- Flight London Heathrow - Sydney from 954 $
- Flight London Heathrow - Stockholm from 224 $
- Flight London Heathrow - Munich from 181 $
- Flight London Heathrow - Manila from 558 $
Flight destinations with a similar price
- Flight Washington DC - New York from 409 $
- Flight Washington DC - Cancun from 428 $
- Flight Washington DC - Mexico City from 475 $
- Flight Washington DC - Phoenix - Sky Harbor from 407 $
- Flight Washington DC - San Jose from 419 $
- Flight Washington DC - Sacramento from 399 $
- Flight Washington DC - Portland-Oregon from 398 $