| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| 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 11/09/25 direct BA0292 07h 15min | Return 12/07/25 direct BA0293 08h 30min |  British Airways |  | ? | $637 | |
| 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 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 11/09/25 1 Stopover (KEF) FI0644, FI0450 10h 10min | Return 12/07/25 1 Stopover (KEF) FI0451, FI0645 11h 15min |  Icelandair |  | ? | $582 | |
| Washington DC London Heathrow | Outbound 11/09/25 direct IB3589 07h 10min | Return 12/07/25 direct IB3590 08h 25min |  Iberia |  | ? | $668 | |
| Washington DC London Heathrow | Outbound 11/09/25 direct AY7001 07h 15min | Return 12/07/25 1 Stopover (DUB) AY8033, AY8327 12h 45min |  Finnair |  | ? | $805 | |
| Washington DC London Heathrow | Outbound 11/09/25 1 Stopover (DUB) AY8326, AY8032 10h 00min | Return 12/07/25 1 Stopover (DUB) AY8033, AY8327 12h 45min | Finnair | | ? | $809 |
Stops
- Direct flight
Airline
- TAP Air Portugal
- United Airlines
- Finnair
- Lufthansa
- 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 | $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 $460
- Flight Boston - London Heathrow from $436
- Flight Detroit - London Heathrow from $678
- Flight Miami - London Heathrow from $665
- Flight Chicago O'Hare - London Heathrow from $438
- Flight San Francisco - London Heathrow from $644
- Flight Baltimore - London Heathrow from $581
- Flight Denver - London Heathrow from $503
- Flight Dallas - London Heathrow from $534
- Flight Newark - London Heathrow from $417
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $709
- Flight London Heathrow - Edinburgh from $227
- Flight London Heathrow - Dubai from $502
- Flight London Heathrow - Vienna from $182
- Flight London Heathrow - Melbourne from $1,219
- Flight London Heathrow - Sydney from $1,101
- Flight London Heathrow - Toronto from $603
- Flight London Heathrow - Geneva from $75
- Flight London Heathrow - Zurich from $92
- Flight London Heathrow - Prague from $166
Flight destinations with a similar price
- Flight Washington DC - San Jose from $398
- Flight Washington DC - Frankfurt from $444
- Flight Washington DC - Munich from $465
- Flight Washington DC - Dusseldorf from $444
- Flight Washington DC - Madrid from $446