| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| London Heathrow Washington DC | Outbound 26/10/26 1 Stopover (MAD) IB0726, AA8729 25h 50min | Return 02/11/26 1 Stopover (CLT) AA2149, AA0730 12h 22min |   Iberia, American Airlines |  | £459 | ||
| Best option London Heathrow Washington DC | Outbound 01/06/26 direct AA6630 08h 25min | Return 22/06/26 direct AA6967 07h 40min | American Airlines |  | ? | £468 | |
| London Heathrow Washington DC | Outbound 28/10/26 1 Stopover (ZRH) LX0345, LX3200 13h 30min | Return 05/11/26 1 Stopover (ZRH) LX0073, LX0332 11h 30min |  Swiss International Air Lines |  | ? | £460 | |
| London Heathrow Washington DC | Outbound 26/10/26 1 Stopover (CPH) SK0500, SK0925 15h 35min | Return 02/11/26 1 Stopover (CPH) SK0926, SK1501 20h 10min |  SAS Scandinavian Airlines |  | £460 | ||
| London Heathrow Washington DC | Outbound 26/10/26 1 Stopover (CPH) SK0500, SK0925 15h 35min | Return 02/11/26 1 Stopover (CPH) SK0926, SK1501 20h 10min | SAS Scandinavian Airlines |  | £461 | ||
| London Heathrow Washington DC | Outbound 08/08/26 1 Stopover (MAD) IB0726, IB0361 24h 30min | Return 31/08/26 1 Stopover (MAD) IB0362, IB0713 11h 30min | Iberia | | £462 | ||
| London Heathrow Washington DC | Outbound 29/10/26 1 Stopover (FRA) LH4229, LH9252 11h 45min | Return 05/11/26 direct OS7806 07h 20min |  Lufthansa |  | ? | £464 | |
| London Heathrow Washington DC | Outbound 08/08/26 1 Stopover (MAD) IB0726, IB0361 24h 30min | Return 31/08/26 1 Stopover (MAD) IB0362, IB0713 11h 30min | Iberia |  | £465 | ||
| London Heathrow Washington DC | Outbound 01/11/26 1 Stopover (ZRH) LX0317, LX0072 12h 40min | Return 08/11/26 1 Stopover (ZRH) LX0073, LX0332 11h 30min | Swiss International Air Lines | | £468 | ||
| London Heathrow Washington DC | Outbound 01/11/26 1 Stopover (MAD) IB3645, IB0361 13h 05min | Return 08/11/26 direct BA0292 07h 15min | Iberia | | £469 |
Stops
- Direct flight
Airline
- British Airways
- Swiss International Air Lines
- SAS Scandinavian Airlines
- Austrian Airlines
- Iberia
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
Flight information: London Heathrow - Washington DC
| Outbound and return from | £ 458,70 |
|---|---|
| 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 |
Alternative routes to United States
- Flight London Heathrow - New York from £ 259
- Flight London Heathrow - Los Angeles from £ 382
- Flight London Heathrow - Miami from £ 330
- Flight London Heathrow - Boston from £ 401
- Flight London Heathrow - Baltimore from £ 496
- Flight London Heathrow - Denver from £ 649
- Flight London Heathrow - Dallas from £ 759
- Flight London Heathrow - Detroit from £ 647
- Flight London Heathrow - Newark from £ 294
- Flight London Heathrow - Honolulu from £ 659
Alternative flights to Washington DC
- Flight London Gatwick - Washington DC from £ 439
- Flight Manchester - Washington DC from £ 538
Popular destinations for onward travel
- Flight Washington DC - Monrovia from £ 852
Flight destinations with a similar price
- Flight London Heathrow - Toronto from £ 420
- Flight London Heathrow - Islamabad from £ 422
- Flight London Heathrow - Kolkata from £ 501
- Flight London Heathrow - Ahmedabad from £ 419
- Flight London Heathrow - Kozhikode (Calicut) from £ 458
- Flight London Heathrow - Nairobi from £ 431
- Flight London Heathrow - Macau from £ 494
- Flight London Heathrow - Halifax from £ 489
- Flight London Heathrow - Luzon Clark from £ 456