New calculation
Flight distance & time
Lambert St Louis International Airport → Washington Dulles International Airport
STLIAD
- Distance
- 1,117 km · 694 mi
- Flight time
- 02h 08m
- CO₂ per passenger
- 100 kg
This Lambert St Louis International Airport → Washington Dulles 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
- FromSTLLambert St Louis International AirportSt Louis, Missouri
- ToIADWashington Dulles International AirportDulles, Virginia
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~3 flights/day
Airlines on this route
NetJets AviationRDNTIVUnited Airlines
Common questions
Lambert St Louis International Airport to Washington Dulles International Airport FAQ
How far is Lambert St Louis International Airport from Washington Dulles International Airport?
Lambert St Louis International Airport (STL) and Washington Dulles International Airport (IAD) are 1,117 km (694 mi) apart, measured along the great-circle route.
How long is the flight from Lambert St Louis International Airport to Washington Dulles International Airport?
A direct STL–IAD 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 Lambert St Louis International Airport to Washington Dulles International Airport produce?
A passenger's share of CO₂ on the STL–IAD route is roughly 100 kg.
Which airlines fly from Lambert St Louis International Airport to Washington Dulles International Airport?
NetJets Aviation, RDN, TIV, United Airlines operate scheduled service between STL and IAD.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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