| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Washington DC London Heathrow | Outbound 10/03/25 1 Stopover (LIS) TP0232, TP1356 12h 20min | Return - |  TAP Air Portugal |  | $260 | ||
| Washington DC London Heathrow | Outbound 11/09/25 1 Stopover (LIS) TP0234, TP1366 19h 10min | Return 12/07/25 1 Stopover (LIS) TP1367, TP0233 13h 35min | TAP Air Portugal |  | ? | $436 | |
| Best option Washington DC London Heathrow | Outbound 10/02/25 direct VS0022 07h 30min | Return 10/09/25 direct VS0021 08h 25min |  Virgin Atlantic Airways | | $566 | ||
| Washington DC London Heathrow | Outbound 11/09/25 1 Stopover (LIS) TP0234, TP1366 19h 10min | Return 12/07/25 1 Stopover (LIS) TP1369, TP0231 24h 20min | TAP Air Portugal |  | $438 | ||
| Washington DC London Heathrow | Outbound 11/09/25 1 Stopover (LIS) TP0234, TP1358 18h 05min | Return 12/07/25 1 Stopover (LIS) TP1369, TP0231 24h 20min | TAP Air Portugal |  | $451 | ||
| Washington DC London Heathrow | Outbound 11/09/25 1 Stopover (LIS) TP0234, TP1356 14h 00min | Return 12/07/25 1 Stopover (LIS) TP1367, TP0233 13h 35min | TAP Air Portugal |  | $471 | ||
| Washington DC London Heathrow | Outbound 10/02/25 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 10/09/25 1 Stopover (KEF) FI0455, FI0649 29h 45min |  Icelandair |  | $502 | ||
| Washington DC London Heathrow | Outbound 10/02/25 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 10/09/25 1 Stopover (KEF) FI0455, FI0649 29h 45min | Icelandair | | $508 | ||
| Washington DC London Heathrow | Outbound 11/09/25 1 Stopover (LIS) TP0234, TP1356 14h 00min | Return 12/07/25 1 Stopover (LIS) TP1367, TP0233 13h 35min | TAP Air Portugal |  | ? | $526 | |
| Washington DC London Heathrow | Outbound 10/02/25 1 Stopover (YYZ) UA8693, UA8306 11h 10min | Return 10/09/25 1 Stopover (MUC) LH2471, LH0414 15h 25min |  United Airlines | | ? | $531 |
Stops
- Direct flight
Airline
- TAP Air Portugal
- Icelandair
- United Airlines
- SAS Scandinavian Airlines
- Finnair
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 | $ 259,97 |
|---|---|
| Roundtrip from | $ 435,36 |
| 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 $ 202
- Flight Boston - London Heathrow from $ 436
- Flight Detroit - London Heathrow from $ 606
- Flight Miami - London Heathrow from $ 357
- Flight Chicago O'Hare - London Heathrow from $ 438
- Flight Baltimore - London Heathrow from $ 581
- Flight Denver - London Heathrow from $ 583
- Flight Dallas - London Heathrow from $ 534
- Flight Newark - London Heathrow from $ 479
- Flight New York - London Heathrow from $ 469
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $ 439
- Flight London Heathrow - Accra from $ 603
- Flight London Heathrow - Stockholm from $ 116
- Flight London Heathrow - Athens from $ 171
- Flight London Heathrow - Cologne from $ 163
- Flight London Heathrow - Delhi from $ 1.023
- Flight London Heathrow - Dusseldorf from $ 132
- Flight London Heathrow - Dubai from $ 1.714
- Flight London Heathrow - Frankfurt from $ 203
- Flight London Heathrow - Hamburg from $ 83
Flight destinations with a similar price
- Flight Washington DC - San Antonio from $ 263
- Flight Washington DC - Buffalo from $ 262
- Flight Washington DC - Manchester from $ 246
- Flight Washington DC - San Jose, Costa Rica from $ 265
- Flight Washington DC - Toronto from $ 269
- Flight Washington DC - Dublin from $ 259