| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Washington DC London Heathrow | Outbound 01/12/25 1 Stopover (CPH) SK0926, SK0505 17h 50min | Return 01/29/25 1 Stopover (CPH) SK0500, SK0925 14h 00min |  SAS Scandinavian Airlines |  | $404 | ||
| Best option Washington DC London Heathrow | Outbound 03/03/25 direct BA0292 07h 10min | Return 03/26/25 direct BA0293 08h 15min |  British Airways |  | ? | $569 | |
| Washington DC London Heathrow | Outbound 01/12/25 2 Stopovers (CPH, OSL) SK0926, SK0452, SK0811 20h 20min | Return 01/29/25 1 Stopover (CPH) SK1508, SK0925 24h 10min | SAS Scandinavian Airlines |  | ? | $405 | |
| Washington DC London Heathrow | Outbound 01/12/25 1 Stopover (CPH) SK0926, SK0505 17h 50min | Return 01/29/25 1 Stopover (CPH) SK0500, SK0925 14h 00min | SAS Scandinavian Airlines |  | $409 | ||
| Washington DC London Heathrow | Outbound 01/12/25 1 Stopover (CPH) SK0926, SK0505 17h 50min | Return 01/29/25 1 Stopover (CPH) SK0500, SK0925 14h 00min | SAS Scandinavian Airlines |  | ? | $422 | |
| Washington DC London Heathrow | Outbound 01/12/25 1 Stopover (CPH) SK0926, SK1507 21h 20min | Return 01/29/25 1 Stopover (CPH) SK1508, SK0925 24h 10min | SAS Scandinavian Airlines |  | ? | $423 | |
| Washington DC London Heathrow | Outbound 03/04/25 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 03/29/25 1 Stopover (KEF) FI0455, FI0645 26h 35min |  Icelandair | | $430 | ||
| Washington DC London Heathrow | Outbound 03/04/25 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 03/29/25 1 Stopover (KEF) FI0455, FI0645 26h 35min | Icelandair | | $431 | ||
| Washington DC London Heathrow | Outbound 03/09/25 1 Stopover (KEF) FI0644, FI0454 18h 50min | Return 03/16/25 1 Stopover (KEF) FI0455, FI0645 26h 45min | Icelandair | | ? | $454 | |
| Washington DC London Heathrow | Outbound 01/12/25 2 Stopovers (CPH, OSL) SK0926, SK0452, SK0809 18h 15min | Return 01/29/25 1 Stopover (CPH) SK0500, SK0925 14h 00min | SAS Scandinavian Airlines |  | ? | $455 |
-
Find cheap flights -
Booking tips
Book cheap flights fast with idealo
Save time & money: find cheap flights fast
Easy to use: filter & sort to find the best flight
Free to use: compare offers & book flights
- Flight Routes
- Flights to United Kingdom
- Flights to London
- Flights to London Heathrow
- Flights Washington DC (IAD) London Heathrow (LHR)
Stops
- Direct flight
Airline
- SAS Scandinavian Airlines
- Icelandair
- United Airlines
- TAP Air Portugal
- Lufthansa
Flight type
- Return
Outbound departure month
- December 2024
- January 2025
- February 2025
- March 2025
- April 2025
- May 2025
Outbound weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday
Return departure month
- December 2024
- January 2025
- February 2025
- March 2025
- April 2025
- May 2025
Return weekday
- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday
Change in
- Frankfurt-Main
- Munich
- Amsterdam-Schiphol
- Toronto - Lester B. Pearson International Airport
- Vienna International
- Brussels
- Zurich (Zürich)-Kloten
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 %
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 %
Important flight information
Flight information: Washington DC - London Heathrow
| Roundtrip from | $403.92 |
|---|---|
| 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 | Airport Washington DC - Dulles International Airport, DC (IAD) |
| Arrival airport | Airport London Heathrow (LHR) |
| Destination country | Flights to United Kingdom |
Alternative routes to United Kingdom
- Flight Washington DC - Manchester from $597
Alternative flights to London Heathrow
- Flight Los Angeles - London Heathrow from $611
- Flight Boston - London Heathrow from $463
- Flight Detroit - London Heathrow from $513
- Flight Seattle-Tacoma - London Heathrow from $621
- Flight Denver - London Heathrow from $602
- Flight Cleveland - London Heathrow from $798
- Flight Atlanta - London Heathrow from $815
- Flight Miami - London Heathrow from $523
- Flight Dallas - London Heathrow from $920
- Flight San Francisco - London Heathrow from $591
Flight destinations with a similar price
- Flight London Heathrow - Colombo from $689
- Flight London Heathrow - Toronto from $543
- Flight London Heathrow - Dusseldorf from $134
- Flight London Heathrow - Cologne from $129
- Flight London Heathrow - Frankfurt from $137
- Flight London Heathrow - Tangier from $201
- Flight London Heathrow - Amman from $263
- Flight London Heathrow - Abu Dhabi from $310
- Flight London Heathrow - Manila from $673
- Flight London Heathrow - Lagos from $664
Flight destinations with a similar price
- Flight Washington DC - Dallas from $405
- Flight Washington DC - San Diego from $377
- Flight Washington DC - Lima from $373
- Flight Washington DC - Belize City from $389
- Flight Washington DC - San Pedro Sula from $389
- Flight Washington DC - Montego Bay from $434
- Flight Washington DC - Aruba from $394