| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option London Heathrow Washington DC | Outbound 19/06/26 direct KL4824 08h 00min | Return 05/07/26 direct KL4825 07h 25min |  KLM |  | £511 | ||
| London Heathrow Washington DC | Outbound 19/06/26 direct VS0021 08h 00min | Return 05/07/26 direct VS0022 07h 25min |  Virgin Atlantic Airways |  | ? | £534 | |
| London Heathrow Washington DC | Outbound 31/03/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Return 21/04/26 1 Stopover (KEF) FI0644, FI0450 10h 25min |  Icelandair |  | £536 | ||
| London Heathrow Washington DC | Outbound 31/03/26 direct VS0021 08h 00min | Return 21/04/26 direct VS0022 07h 25min | Virgin Atlantic Airways |  | ? | £569 | |
| London Heathrow Washington DC | Outbound 31/03/26 1 Stopover (KEF) FI0451, FI0645 11h 15min | Return 21/04/26 1 Stopover (KEF) FI0644, FI0450 10h 25min | Icelandair |  | ? | £603 | |
| London Heathrow Washington DC | Outbound 31/03/26 2 Stopovers (ARN, LHR) BA0778, AA7186, AA7002 28h 45min | Return 21/04/26 1 Stopover (EWR) UA2669, UA0122 10h 35min |   British Airways, American Airlines |  | ? | £624 | |
| London Heathrow Washington DC | Outbound 10/02/26 direct LH9260 08h 30min | Return 24/02/26 direct OS7806 07h 20min |  Lufthansa |  | ? | £625 | |
| London Heathrow Washington DC | Outbound 10/02/26 direct OS7807 08h 55min | Return 24/02/26 direct OS7808 07h 35min |  Austrian Airlines |  | ? | £625 | |
| London Heathrow Washington DC | Outbound 30/03/26 1 Stopover (FRA) LH4229, LH9252 11h 25min | Return 24/04/26 direct OS7806 07h 30min | Lufthansa | | ? | £699 | |
| London Heathrow Washington DC | Outbound 28/03/26 direct OS7805 08h 30min | Return 21/04/26 direct OS7806 07h 30min | Austrian Airlines | | ? | £722 |
Stops
- Direct flight
Airline
- Virgin Atlantic Airways
- Lufthansa
- Austrian Airlines
- Icelandair
- British 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 £GB
472 £GB
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 £GB
33 %
1 stopover Lisbon
12h 25min, from 540 £GB
26 %
1 stopover Reykjavik-Keflavik International
15h 25min, from 472 £GB
19 %
Important flight information
Flight information: London Heathrow - Washington DC
| Outbound and return from | 510,97 £GB |
|---|---|
| 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 299 £GB
- Flight London Heathrow - Los Angeles from 379 £GB
- Flight London Heathrow - Miami from 356 £GB
- Flight London Heathrow - Boston from 319 £GB
- Flight London Heathrow - Baltimore from 649 £GB
- Flight London Heathrow - Denver from 474 £GB
- Flight London Heathrow - Dallas from 552 £GB
- Flight London Heathrow - Detroit from 504 £GB
- Flight London Heathrow - Newark from 324 £GB
- Flight London Heathrow - Honolulu from 797 £GB
Alternative flights to Washington DC
- Flight London Gatwick - Washington DC from 523 £GB
- Flight Manchester - Washington DC from 547 £GB
Popular destinations for onward travel
- Flight Washington DC - Monrovia from 833 £GB
Flight destinations with a similar price
- Flight London Heathrow - Dhaka from 542 £GB
- Flight London Heathrow - Johannesburg from 485 £GB
- Flight London Heathrow - Mauritius from 493 £GB
- Flight London Heathrow - Denver from 474 £GB
- Flight London Heathrow - Dallas from 552 £GB
- Flight London Heathrow - Detroit from 504 £GB
- Flight London Heathrow - Harare from 534 £GB
- Flight London Heathrow - Houston - George Bush from 557 £GB
- Flight London Heathrow - Seoul Incheon from 524 £GB
- Flight London Heathrow - Luxor from 512 £GB