| Washington DC London Heathrow | 04/29/24 1 Stopover (DUB) EI0118, EI0158 09h 30min | 05/06/24 1 Stopover (DUB) EI0153, EI0117 11h 50min |  Aer Lingus Irish Airlines |  | ? | $456 Found several days ago | Check |
| Best option Washington DC London Heathrow | 10/15/24 direct BA0292 07h 20min | 10/31/24 direct BA0293 08h 30min |  British Airways | | ? | $540 Found several days ago | Check |
| Washington DC London Heathrow | 05/27/24 1 Stopover (DUB) EI0118, EI0166 13h 15min | 06/04/24 1 Stopover (DUB) EI0163, EI0119 10h 45min | Aer Lingus Irish Airlines |  | $631 Found several days ago | Check | |
| Washington DC London Heathrow | 06/04/24 1 Stopover (KEF) OG0142, BA0801 15h 20min | 06/09/24 1 Stopover (KEF) BA0800, OG0141 15h 15min |  Play, British Airways |  | $716 Found several days ago | Check | |
| Washington DC London Heathrow | 04/29/24 1 Stopover (DUB) EI0116, EI0156 12h 10min | 05/06/24 1 Stopover (DUB) EI0153, EI0117 11h 50min | Aer Lingus Irish Airlines | | $466 Found several days ago | Check | |
| Washington DC London Heathrow | 10/15/24 1 Stopover (LIS) TP0234, TP1350 14h 15min | 10/31/24 1 Stopover (LIS) TP1363, TP0231 14h 00min |  TAP Air Portugal |  | ? | $476 Found several days ago | Check |
| Washington DC London Heathrow | 10/15/24 1 Stopover (LIS) TP0234, TP1350 14h 15min | 10/31/24 1 Stopover (LIS) TP1363, TP0231 14h 00min | TAP Air Portugal | | $478 Found several days ago | Check | |
| Washington DC London Heathrow | 05/14/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | 05/30/24 1 Stopover (KEF) FI0455, FI0649 29h 45min |  Icelandair |  | ? | $484 Found several days ago | Check |
| Washington DC London Heathrow | 10/15/24 1 Stopover (LIS) TP0234, TP1364 15h 20min | 10/31/24 1 Stopover (LIS) TP1363, TP0231 14h 00min | TAP Air Portugal |  | $496 Found several days ago | Check | |
| Washington DC London Heathrow | 05/14/24 1 Stopover (KEF) FI0644, FI0454 18h 50min | 05/30/24 1 Stopover (KEF) FI0455, FI0645 26h 50min | Icelandair |  | ? | $498 Found several days ago | Check |
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Tips and tricks to help you find cheap flights from Washington DC to London Heathrow
Favorite airline: Aer Lingus
Aer Lingus is the most popular airline for flights from Washington DC to London Heathrow.
Aer Lingus
30 %
Icelandair
24 %
British Airways
17 %
Tip: book 18 days before departure
The best time to find a cheap flight on this route is 18 days before travel. Save up to 52 %.
18 days before departure
Cheapest weekday: Thursday
Compared to other weekdays, flights are cheapest on Thursday.
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $129.00 more expensive on this route.
non stop flight
1 stop
2 stops
07h 20min
18h 45min
21h 40min
$562
$433
$599
Favourite connection: via Dublin
When booking flights from Washington DC to London Heathrow 33 % of travelers prefer to fly via Dublin.
Route
bookings
1 stopover Dublin
11h 00min, from $442
33 %
1 stopover Reykjavik-Keflavik International
18h 45min, from $433
27 %
Direct flights
07h 20min, from $562
22 %
Flight information: Washington DC - London Heathrow
| Roundtrip from | $455.96 |
|---|---|
| Flight duration | min. 07:00 / max. 07:25 |
| Return flight duration | min. 08:20/ max. 08:45 |
| Distance | 5908 km |
| Flights per week | 52 |
| Departure airport | Washington DC - Dulles International Airport, DC (IAD) |
| Arrival airport | London Heathrow (LHR) |
| Destination country | United Kingdom |
Alternative routes to United Kingdom
- Washington DC - Manchester from $541
Alternative flights to London Heathrow
- Los Angeles - London Heathrow from $539
- Santa Rosa - London Heathrow from $685
- Minneapolis - London Heathrow from $919
- Las Vegas - London Heathrow from $542
- Columbus - London Heathrow from $686
- Kansas City - London Heathrow from $614
- Staunton, VA - London Heathrow from $1,464
- New York - London Heathrow from $446
- Cleveland - London Heathrow from $633
- Atlanta - London Heathrow from $828
Flight destinations with a similar price
- London Heathrow - Colombo from $604
- London Heathrow - Ahmedabad from $522
- London Heathrow - Amsterdam from $82
- London Heathrow - Dusseldorf from $134
- London Heathrow - Vienna from $140
- London Heathrow - Toronto from $479
- London Heathrow - Abuja from $632
- London Heathrow - Bangkok from $582
- London Heathrow - Cairo from $296
- London Heathrow - Dubai from $517
Flight destinations with a similar price
- Washington DC - Tegucigalpa from $494
- Washington DC - St. Thomas from $454
- Washington DC - Portland-Oregon from $434
- Washington DC - Amsterdam from $457
- Washington DC - Oakland from $442
- Washington DC - Sacramento from $488
- Washington DC - Santa Cruz from $466