Dulles (IAD) to London (LHR) flights
3 airlines fly nonstop from Dulles (IAD) to London (LHR): British Airways, United Airlines and Virgin Atlantic. The two airports are 3,667 miles (5,901 km) apart. British Airways is in oneworld, United Airlines is in Star Alliance and Virgin Atlantic is in SkyTeam. There are also 59 ways to fly it with one stop, through New York, Boston and Philadelphia and more.
Airlines flying nonstop from IAD to LHR
- British Airwaysoneworld · bookable with 9 programsWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
- Virgin AtlanticSkyTeam · bookable with 9 programsWho books it
Book IAD to LHR with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Singapore Airlines KrisFlyerBooks United Airlines, Virgin Atlantic
- Aeromexico RewardsBooks Virgin Atlantic
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks Virgin Atlantic
- Air New Zealand AirpointsBooks United Airlines
- Alaska Atmos RewardsBooks British Airways
- American AAdvantageBooks British Airways
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks British Airways
- Cathay Pacific Asia MilesBooks British Airways
- China Eastern Eastern MilesBooks Virgin Atlantic
- Delta SkyMilesBooks Virgin Atlantic
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks British Airways
- Garuda Indonesia GarudaMilesBooks Virgin Atlantic
- Iberia ClubBooks British Airways
- JAL Mileage BankBooks British Airways
- JetBlue TrueBlueBooks United Airlines
- Korean Air SKYPASSBooks Virgin Atlantic
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks British Airways
- Qatar Airways Privilege ClubBooks British Airways
- SAS EuroBonusBooks Virgin Atlantic
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
- Virgin Atlantic Flying ClubBooks Virgin Atlantic
IAD to LHR with one stop
59 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New York (EWR)United Airlines the whole way
- Via Boston (BOS)United Airlines, then British Airways, Delta Air Lines and 3 more
+2 - Via Philadelphia (PHL)United Airlines, then American Airlines and British Airways
- Via New York (JFK)Delta Air Lines the whole way+2
- Via Dublin (DUB)Aer Lingus the whole way
- Via Montreal (YUL)Air Canada the whole way
- Via Ottawa (YOW)United Airlines, then Air Canada
- Via Edinburgh (EDI)United Airlines, then British Airways
- Via Toronto (YYZ)Air Canada the whole way
- Via Pittsburgh (PIT)United Airlines, then British Airways
- Via Reykjavik (KEF)Icelandair the whole way
- Via Paris (CDG)Air France the whole way
- Via Raleigh/Durham (RDU)United Airlines, then American Airlines
- Via Amsterdam (AMS)KLM the whole way
- Via Brussels (BRU)Brussels Airlines the whole way
IAD to LHR: common questions
Which airlines fly nonstop from IAD to LHR?
British Airways (oneworld), United Airlines (Star Alliance) and Virgin Atlantic (SkyTeam) fly nonstop from Dulles (IAD) to London (LHR).
How far is Dulles from London by plane?
Dulles (IAD) and London (LHR) are 3,667 miles (5,901 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to LHR award flights?
30 programs can book at least one of the nonstop airlines: Singapore Airlines KrisFlyer, Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club and 22 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to LHR cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to LHR with taxes and fees.
Where can I connect between Dulles and London?
The most direct connections are through New York (EWR), Boston (BOS), Philadelphia (PHL), New York (JFK) and Dublin (DUB). On 31 of them the same airline flies both flights, for example United Airlines through New York.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.