| London Heathrow Washington DC | 04/21/24 1 Stopover (KEF) FI0455, FI0645 26h 50min | 04/30/24 1 Stopover (KEF) FI0644, FI0454 18h 50min |  Icelandair |  | ? | $521 Found several days ago | Check |
| Best option London Heathrow Washington DC | 05/14/24 direct BA0293 08h 05min | 05/30/24 direct BA0292 07h 20min |  British Airways |  | ? | $762 Found several days ago | Check |
| London Heathrow Washington DC | 04/21/24 1 Stopover (KEF) FI0455, FI0645 26h 50min | 04/30/24 1 Stopover (KEF) FI0644, FI0450 10h 25min | Icelandair |  | ? | $523 Found several days ago | Check |
| London Heathrow Washington DC | 05/17/24 1 Stopover (KEF) FI0451, FI0645 11h 10min | 06/11/24 1 Stopover (KEF) FI0648, FI0454 16h 05min | Icelandair |  | $524 Found several days ago | Check | |
| London Heathrow Washington DC | 05/17/24 1 Stopover (KEF) FI0451, FI0645 11h 10min | 06/11/24 1 Stopover (KEF) FI0648, FI0454 16h 05min | Icelandair |  | $527 Found several days ago | Check | |
| London Heathrow Washington DC | 04/21/24 1 Stopover (KEF) FI0455, FI0645 26h 50min | 04/30/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | Icelandair |  | ? | $530 Found several days ago | Check |
| London Heathrow Washington DC | 05/17/24 1 Stopover (KEF) FI0451, FI0645 11h 10min | 06/11/24 1 Stopover (KEF) FI0648, FI0454 16h 05min | Icelandair |  | $550 Found several days ago | Check | |
| London Heathrow Washington DC | 06/14/24 1 Stopover (CPH) SK0500, SK0925 13h 45min | 07/02/24 1 Stopover (CPH) SK0926, SK0505 17h 45min |  SAS Scandinavian Airlines | | $595 Found several days ago | Check | |
| London Heathrow Washington DC | 06/14/24 1 Stopover (CPH) SK0500, SK0925 13h 45min | 07/02/24 1 Stopover (CPH) SK0926, SK1507 21h 15min | SAS Scandinavian Airlines | | ? | $601 Found several days ago | Check |
| London Heathrow Washington DC | 04/21/24 1 Stopover (KEF) FI0455, FI0645 26h 50min | 04/30/24 1 Stopover (KEF) FI0644, FI0450 10h 25min | Icelandair |  | ? | $607 Found several days ago | Check |
-
Find cheap flights -
Booking tips
- Flights
- Flight Routes
- Flights to United States
- Flights to Washington-DC
- Flights to Washington DC
- Flights London Heathrow (LHR) Washington DC (IAD)
Stops
Airline
- SAS Scandinavian Airlines
- British Airways
- TAP Air Portugal
- Iberia
- Aer Lingus Irish Airlines
- other
Flight type
- Return
Outbound departure month
- April 2024
- May 2024
- June 2024
- July 2024
- August 2024
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Friday
- Saturday
- Sunday
Return departure month
- April 2024
- May 2024
- June 2024
- July 2024
- August 2024
- September 2024
Return weekday
- Tuesday
- Thursday
- Friday
- Saturday
Change in
- Copenhagen
- Lisbon
- Dublin
- Reykjavik-Keflavik International
Tips and tricks to help you find cheap flights from London Heathrow to Washington DC
Favorite airline: Aer Lingus
Flight tickets on the route London Heathrow – Washington DC are most frequently booked with Aer Lingus.
Aer Lingus
26 %
SAS
25 %
TAP Portugal
21 %
Tip: book directly before departure
A good time to book a cheap flight on this route is directly on the day of departure.
0 days before departure
Cheapest weekday: Thursday
The cheapest flights on this route are operated on Thursday.
Direct flights are more expensive
Flights with a stopover are on average $270.00 cheaper than direct flights.
non stop flight
1 stop
08h 05min
24h 35min
$695
$425
Favourite connection: via Dublin
Flights with a stopover in Dublin are the most popular connection for this route.
Route
bookings
1 stopover Dublin
14h 20min, from $547
26 %
1 stopover Copenhagen
23h 55min, from $480
25 %
1 stopover Lisbon
24h 35min, from $425
21 %
Flight information: London Heathrow - Washington DC
| Roundtrip from | $520.73 |
|---|---|
| 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) |
| Departure country | United Kingdom |
| Arrival airport | Washington DC - Dulles International Airport, DC (IAD) |
| Destination country | United States |
Alternative routes to United States
- London Heathrow - Los Angeles from $584
- London Heathrow - San Francisco from $500
- London Heathrow - Newark from $457
- London Heathrow - New York from $446
- London Heathrow - Miami from $482
- London Heathrow - Atlanta from $843
Flight destinations with a similar price
- Washington DC - Miami from $220
- Washington DC - Los Angeles from $207
- Washington DC - Orlando from $214
- Washington DC - San Francisco from $338
- Washington DC - Las Vegas from $304
- Washington DC - Honolulu from $581
- Washington DC - Boston from $174
- Washington DC - Chicago O'Hare from $184
- Washington DC - Fort Myers from $235
- Washington DC - Atlanta from $214
Flight destinations with a similar price
- London Heathrow - Manila from $487
- London Heathrow - Lahore from $556
- London Heathrow - Toronto from $479
- London Heathrow - Abu Dhabi from $493
- London Heathrow - Dubai from $517
- London Heathrow - Mumbai from $471
- London Heathrow - Delhi from $494
- London Heathrow - San Francisco from $500
- London Heathrow - Kuala Lumpur from $541
- London Heathrow - Nairobi from $536