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Flight distance & time
Chicago O'Hare International Airport → Lambert St Louis International Airport
ORDSTL
- Distance
- 415 km · 257 mi
- Flight time
- 01h 16m
- CO₂ per passenger
- 37 kg
This Chicago O'Hare International Airport → Lambert St Louis International Airport route is 415 km (257 mi) end to end. The estimated flight time is 01h 16m, and a passenger's share of CO₂ works out at roughly 37 kg.
See the reverse route: Lambert St Louis International Airport → Chicago O'Hare International Airport
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Your route
- FromORDChicago O'Hare International AirportChicago, Illinois
- ToSTLLambert St Louis International AirportSt Louis, Missouri
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~20 flights/day
Airlines on this route
American AirlinesEnvoy AirSkyWest AirlinesUnited Airlines
Common questions
Chicago O'Hare International Airport to Lambert St Louis International Airport FAQ
How far is Chicago O'Hare International Airport from Lambert St Louis International Airport?
Chicago O'Hare International Airport (ORD) and Lambert St Louis International Airport (STL) are 415 km (257 mi) apart, measured along the great-circle route.
How long is the flight from Chicago O'Hare International Airport to Lambert St Louis International Airport?
A direct ORD–STL flight covers the distance in about 01h 16m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Chicago O'Hare International Airport to Lambert St Louis International Airport produce?
A passenger's share of CO₂ on the ORD–STL route is roughly 37 kg.
Which airlines fly from Chicago O'Hare International Airport to Lambert St Louis International Airport?
American Airlines, Envoy Air, SkyWest Airlines, United Airlines operate scheduled service between ORD and STL.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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