| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| London Heathrow Washington DC | Outbound 04/05/26 1 Stopover (MAD) AA6802, AA8729 12h 40min | Return 22/05/26 direct AA6967 07h 40min |  American Airlines |  | £446 | ||
| 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 04/05/26 1 Stopover (BRU) SN2104, SN8801 12h 30min | Return 22/05/26 1 Stopover (EWR) UA2396, UA0014 17h 46min |  Brussels Airlines |  | £447 | ||
| 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 | ||
| 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 04/05/26 1 Stopover (DUB) BA0824, BA6159 18h 05min | Return 22/05/26 direct BA0216 07h 40min |  British Airways | | £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 04/05/26 1 Stopover (DUB) BA5955, BA6141 10h 55min | Return 22/05/26 direct BA0216 07h 40min | British Airways |  | £462 |
Stops
- Direct flight
Airline
- British Airways
- Swiss International Air Lines
- SAS Scandinavian Airlines
- Austrian Airlines
- Virgin Atlantic Airways
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 | £445.03 |
|---|---|
| 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 - Miami from £367
- Flight London Heathrow - New York from £259
- Flight London Heathrow - Los Angeles from £379
- Flight London Heathrow - Fort Lauderdale from £398
- Flight London Heathrow - Atlanta from £448
- Flight London Heathrow - Minneapolis from £504
- Flight London Heathrow - Boston from £319
- Flight London Heathrow - Baltimore from £496
- Flight London Heathrow - Denver from £561
- Flight London Heathrow - Dallas from £552
Alternative flights to Washington DC
- Flight London Gatwick - Washington DC from £484
- Flight Manchester - Washington DC from £538
Popular destinations for onward travel
- Flight Washington DC - Monrovia from £833
Flight destinations with a similar price
- Flight London Heathrow - Dhaka from £410
- Flight London Heathrow - Kolkata from £482
- Flight London Heathrow - Amritsar from £431
- Flight London Heathrow - Islamabad from £411
- Flight London Heathrow - Nairobi from £431
- Flight London Heathrow - Abuja from £433
- Flight London Heathrow - Chiang Mai from £469
- Flight London Heathrow - Atlanta from £448
- Flight London Heathrow - Doha from £426