Flight Route · International
Washington → London
IAD to LHR
Washington Dulles International Airport to London Heathrow Airport: 3,667 miles (5,902 km), about 7h 53m airborne, +5h time-zone shift on arrival.
Distance
3,667 mi
5,902 km
Flight time
7h 53m
block time, approx
Time-zone shift
+5h
New_York → London
International?
Yes
United States → United Kingdom
Airlines serving both airports
These carriers operate scheduled service from both IAD and LHR. Direct service on this specific route depends on season and equipment — confirm with your booking source.
IAD–LHR questions, answered
How long is the flight from Washington to London?
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A direct flight from Washington Dulles International Airport (IAD) to London Heathrow Airport (LHR) takes approximately 7h 53m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from IAD to LHR?
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The great-circle distance from Washington Dulles International Airport to London Heathrow Airport is approximately 3667 miles (5902 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between Washington and London?
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London is +5h relative to Washington. America/New_York → Europe/London.
Which airlines fly from IAD to LHR?
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Carriers serving both endpoints include AA. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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Yes. Washington Dulles International Airport is in United States, and London Heathrow Airport is in United Kingdom. Travelers should confirm passport, visa, and customs requirements before departure.
Can I track IAD–LHR flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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