| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| London Heathrow Washington DC | Outbound 24/10/26 1 Stopover (LIS) TP1367, TP0233 13h 45min | Return 31/10/26 1 Stopover (LIS) TP0232, TP1352 14h 15min |  TAP Air Portugal |  | £445 | ||
| Best option London Heathrow Washington DC | Outbound 26/10/26 direct AY5533 08h 30min | Return 31/10/26 direct AY5532 07h 15min |  Finnair | | £505 | ||
| London Heathrow Washington DC | Outbound 23/10/26 1 Stopover (DUB) EI0155, EI0117 10h 55min | Return 31/10/26 1 Stopover (DUB) EI0118, EI0164 11h 25min |  Aer Lingus Irish Airlines |  | £685 | ||
| London Heathrow Washington DC | Outbound 23/10/26 1 Stopover (LIS) TP1351, TP0233 17h 35min | Return 31/10/26 1 Stopover (LIS) TP0232, TP1368 17h 05min | TAP Air Portugal |  | £452 | ||
| London Heathrow Washington DC | Outbound 23/10/26 1 Stopover (LIS) TP1351, TP0233 17h 35min | Return 31/10/26 1 Stopover (LIS) TP0232, TP1368 17h 05min | TAP Air Portugal |  | £453 | ||
| London Heathrow Washington DC | Outbound 24/10/26 1 Stopover (LIS) TP1363, TP0231 14h 10min | Return 31/10/26 1 Stopover (LIS) TP0232, TP1352 14h 15min | TAP Air Portugal |  | £476 | ||
| London Heathrow Washington DC | Outbound 23/10/26 1 Stopover (LIS) TP1369, TP0231 24h 20min | Return 31/10/26 1 Stopover (LIS) TP0232, TP1368 17h 05min | TAP Air Portugal |  | £478 | ||
| London Heathrow Washington DC | Outbound 26/10/26 direct BA0293 08h 30min | Return 31/10/26 direct BA0216 07h 10min |  British Airways |  | £526 | ||
| London Heathrow Washington DC | Outbound 26/10/26 direct BA0293 08h 30min | Return 31/10/26 direct BA0292 07h 15min | British Airways |  | £529 | ||
| London Heathrow Washington DC | Outbound 26/10/26 direct BA0293 08h 30min | Return 31/10/26 direct BA0292 07h 15min | British Airways | | £530 |
Stops
- Direct flight
Airline
- British Airways
- TAP Air Portugal
- Lufthansa
- Finnair
- Aer Lingus Irish Airlines
Tips and tricks to help you find cheap flights from London Heathrow to Washington DC
Favourite airline: Aer Lingus
The majority of passengers on the route London Heathrow – Washington DC prefer to fly with Aer Lingus.
Aer Lingus
32 %
TAP Portugal
25 %
Icelandair
18 %
Cheapest weekday: Saturday
Compared to other weekdays, flights are cheapest on Saturday.
Stopover flights are the cheapest connection
Flights with a stopover are on average £183.00 cheaper than direct flights.
non stop flight
1 stop
08h 05min
15h 25min
655 £
472 £
Favourite connection: via Dublin
Stopover flights on this route are especially popular via Dublin, making up 33 % of bookings.
Route
bookings
1 stopover Dublin
13h 55min, from 652 £
33 %
1 stopover Lisbon
12h 25min, from 540 £
26 %
1 stopover Reykjavik-Keflavik International
15h 25min, from 472 £
19 %
Important flight information
Frequently Asked Questions (FAQ)
Flight information: London Heathrow - Washington DC
| Outbound and return from | 444,40 £ |
|---|---|
| Flight duration | min. 08:20 / max. 08:45 |
| Return flight duration | min. 07:00/ max. 07:25 |
| Distance | 5908 km |
| Flights per week | 52 |
| Departure airport | Airport London Heathrow (LHR) |
| Arrival airport | Airport Washington DC - Dulles International Airport, DC (IAD) |
| Destination country | Flights to United States |
| City-Code - Arrival airport | London - Washington DC - Dulles International Airport, DC |
| Departure airport - Destination country | London Heathrow - United States |
| Departure airport - City-Code | London Heathrow - Washington-DC |
Alternative routes to United States
- Flight London Heathrow - Los Angeles from 499 £
- Flight London Heathrow - Miami from 532 £
- Flight London Heathrow - New York from 471 £
- Flight London Heathrow - Boston from 401 £
- Flight London Heathrow - Baltimore from 416 £
- Flight London Heathrow - Denver from 508 £
- Flight London Heathrow - Dallas from 710 £
- Flight London Heathrow - Detroit from 583 £
- Flight London Heathrow - Newark from 517 £
- Flight London Heathrow - Honolulu from 711 £
Alternative flights to Washington DC
- Flight London Gatwick - Washington DC from 439 £
- Flight Manchester - Washington DC from 495 £
Popular destinations for onward travel
- Flight Washington DC - Monrovia from 1 023 £
Flight destinations with a similar price
- Flight London Heathrow - Islamabad from 479 £
- Flight London Heathrow - Ahmedabad from 437 £
- Flight London Heathrow - Kolkata from 488 £
- Flight London Heathrow - Toronto from 485 £
- Flight London Heathrow - New York from 471 £
- Flight London Heathrow - Amman from 475 £
- Flight London Heathrow - Chennai from 423 £
- Flight London Heathrow - Kabul from 471 £
- Flight London Heathrow - Muscat from 434 £