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Flight distance & time
Washington Dulles International Airport → London Heathrow Airport
IADLHR
- Distance
- 5,901 km · 3,666 mi
- Flight time
- 08h 07m
- CO₂ per passenger
- 531 kg
This Washington Dulles International Airport → London Heathrow Airport route is 5,901 km (3,666 mi) end to end. The estimated flight time is 08h 07m, and a passenger's share of CO₂ works out at roughly 531 kg.
See the reverse route: London Heathrow Airport → Washington Dulles International Airport
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Your route
- FromIADWashington Dulles International AirportDulles, Virginia
- ToLHRLondon Heathrow AirportLondon, England
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~8 flights/day
Airlines on this route
British AirwaysUnited AirlinesVirgin Atlantic
Common questions
Washington Dulles International Airport to London Heathrow Airport FAQ
How far is Washington Dulles International Airport from London Heathrow Airport?
Washington Dulles International Airport (IAD) and London Heathrow Airport (LHR) are 5,901 km (3,666 mi) apart, measured along the great-circle route.
How long is the flight from Washington Dulles International Airport to London Heathrow Airport?
A direct IAD–LHR flight covers the distance in about 08h 07m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Washington Dulles International Airport to London Heathrow Airport produce?
A passenger's share of CO₂ on the IAD–LHR route is roughly 531 kg.
Which airlines fly from Washington Dulles International Airport to London Heathrow Airport?
British Airways, United Airlines, Virgin Atlantic operate scheduled service between IAD and LHR.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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