| London Heathrow Washington DC | 22/05/24 1 Stopover (KEF) FI0451, FI0649 14h 05min | 06/06/24 1 Stopover (KEF) FI0648, FI0454 16h 05min |  Icelandair |  | £604 Found several days ago | Check | |
| Best option London Heathrow Washington DC | 22/06/24 direct BA0293 08h 05min | 01/07/24 direct BA0292 07h 20min |  British Airways |  | ? | £850 Found several days ago | Check |
| London Heathrow Washington DC | 16/07/24 1 Stopover (DUB) EI0153, EI0117 11h 50min | 01/08/24 1 Stopover (DUB) EI0116, EI0156 12h 05min |  Aer Lingus Irish Airlines |  | £782 Found several days ago | Check | |
| London Heathrow Washington DC | 22/06/24 1 Stopover (KEF) FI0455, FI0649 29h 45min | 01/07/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | Icelandair |  | £623 Found several days ago | Check | |
| London Heathrow Washington DC | 22/06/24 1 Stopover (KEF) FI0455, FI0649 29h 45min | 01/07/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | Icelandair |  | £636 Found several days ago | Check | |
| London Heathrow Washington DC | 22/06/24 1 Stopover (KEF) FI0455, FI0649 29h 45min | 01/07/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | Icelandair |  | £637 Found several days ago | Check | |
| London Heathrow Washington DC | 22/06/24 1 Stopover (KEF) FI0455, FI0649 29h 45min | 01/07/24 1 Stopover (KEF) FI0648, FI0454 16h 05min | Icelandair |  | £647 Found several days ago | Check | |
| London Heathrow Washington DC | 22/06/24 1 Stopover (KEF) FI0455, FI0649 29h 45min | 01/07/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | Icelandair | | ? | £650 Found several days ago | Check |
| London Heathrow Washington DC | 05/08/24 1 Stopover (LIS) TP1363, TP0231 14h 15min | 31/08/24 1 Stopover (LIS) TP0234, TP1368 14h 15min |  TAP Air Portugal | | £650 Found several days ago | Check | |
| London Heathrow Washington DC | 17/07/24 1 Stopover (DUB) EI0149, EI0117 13h 55min | 09/08/24 1 Stopover (DUB) EI0118, EI0158 09h 30min | Aer Lingus Irish Airlines | | £657 Found several days ago | Check |
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- Flight Routes
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Stops
Airline
- Lufthansa
- British Airways
- TAP Air Portugal
- Swiss International Air Lines
- Austrian Airlines
- other
Flight type
- Return
Outbound departure month
- May 2024
- June 2024
- July 2024
- August 2024
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday
Return departure month
- May 2024
- June 2024
- July 2024
- August 2024
Return weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday
Change in
- Dublin
- Brussels
- Frankfurt-Main
- Lisbon
- Paris - Charles de Gaulle
- Reykjavik-Keflavik International
- Zurich (Zürich)-Kloten
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 %
Tip: book 6 months before departure
Tip: book flights on this route 6 months before departure and save up to 54 %.
179 days before departure
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 %
Flight information: London Heathrow - Washington DC
| Outbound and return from | £603.26 |
|---|---|
| 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 | London Heathrow (LHR) |
| Arrival airport | Washington DC - Dulles International Airport, DC (IAD) |
| Destination country | United States |
Alternative routes to United States
- London Heathrow - Miami from £954
- London Heathrow - New York from £396
- London Heathrow - Los Angeles from £700
- London Heathrow - Detroit from £888
- London Heathrow - Seattle-Tacoma from £629
- London Heathrow - Baltimore from £547
- London Heathrow - Newark from £371
- London Heathrow - Boston from £701
- London Heathrow - San Francisco from £541
- London Heathrow - Orlando from £637
Alternative flights to Washington DC
- London Gatwick - Washington DC from £550
- Manchester - Washington DC from £717
Popular destinations for onward travel
- Washington DC - Monrovia from £1,437
Flight destinations with a similar price
- London Heathrow - Kolkata from £664
- London Heathrow - Johannesburg from £618
- London Heathrow - Singapore from £566
- London Heathrow - Goa from £601
- London Heathrow - Amman from £566
- London Heathrow - Beirut from £600
- London Heathrow - Dar es Salaam from £561
- London Heathrow - Entebbe from £545
- London Heathrow - Jeddah from £611
- London Heathrow - Melbourne from £591