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Flight distance & time
George Bush Intercontinental Houston Airport → Lambert St Louis International Airport
IAHSTL
- Distance
- 1,075 km · 667 mi
- Flight time
- 02h 05m
- CO₂ per passenger
- 96 kg
This George Bush Intercontinental Houston Airport → Lambert St Louis International Airport route is 1,075 km (667 mi) end to end. The estimated flight time is 02h 05m, and a passenger's share of CO₂ works out at roughly 96 kg.
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Your route
- FromIAHGeorge Bush Intercontinental Houston AirportHouston, Texas
- ToSTLLambert St Louis International AirportSt Louis, Missouri
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~3 flights/day
Airlines on this route
United Airlines
Common questions
George Bush Intercontinental Houston Airport to Lambert St Louis International Airport FAQ
How far is George Bush Intercontinental Houston Airport from Lambert St Louis International Airport?
George Bush Intercontinental Houston Airport (IAH) and Lambert St Louis International Airport (STL) are 1,075 km (667 mi) apart, measured along the great-circle route.
How long is the flight from George Bush Intercontinental Houston Airport to Lambert St Louis International Airport?
A direct IAH–STL flight covers the distance in about 02h 05m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from George Bush Intercontinental Houston Airport to Lambert St Louis International Airport produce?
A passenger's share of CO₂ on the IAH–STL route is roughly 96 kg.
Which airlines fly from George Bush Intercontinental Houston Airport to Lambert St Louis International Airport?
United Airlines operate scheduled service between IAH and STL.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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