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Flight distance & time
Washington Dulles International Airport → Lambert St Louis International Airport
IADSTL
- Distance
- 1,117 km · 694 mi
- Flight time
- 02h 08m
- CO₂ per passenger
- 100 kg
This Washington Dulles International Airport → Lambert St Louis International Airport route is 1,117 km (694 mi) end to end. The estimated flight time is 02h 08m, and a passenger's share of CO₂ works out at roughly 100 kg.
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Your route
- FromIADWashington Dulles International AirportDulles, Virginia
- ToSTLLambert St Louis International AirportSt Louis, Missouri
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~2 flights/day
Airlines on this route
United Airlines
Common questions
Washington Dulles International Airport to Lambert St Louis International Airport FAQ
How far is Washington Dulles International Airport from Lambert St Louis International Airport?
Washington Dulles International Airport (IAD) and Lambert St Louis International Airport (STL) are 1,117 km (694 mi) apart, measured along the great-circle route.
How long is the flight from Washington Dulles International Airport to Lambert St Louis International Airport?
A direct IAD–STL flight covers the distance in about 02h 08m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Washington Dulles International Airport to Lambert St Louis International Airport produce?
A passenger's share of CO₂ on the IAD–STL route is roughly 100 kg.
Which airlines fly from Washington Dulles International Airport to Lambert St Louis International Airport?
United Airlines operate scheduled service between IAD and STL.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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