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Flight distance & time
Lambert St Louis International Airport → Denver International Airport
STLDEN
- Distance
- 1,235 km · 767 mi
- Flight time
- 02h 17m
- CO₂ per passenger
- 111 kg
This Lambert St Louis International Airport → Denver International Airport route is 1,235 km (767 mi) end to end. The estimated flight time is 02h 17m, and a passenger's share of CO₂ works out at roughly 111 kg.
See the reverse route: Denver International Airport → Lambert St Louis International Airport
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Your route
- FromSTLLambert St Louis International AirportSt Louis, Missouri
- ToDENDenver International AirportDenver, Colorado
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~11 flights/day
Airlines on this route
Frontier AirlinesSouthwest AirlinesUnited Airlines
Common questions
Lambert St Louis International Airport to Denver International Airport FAQ
How far is Lambert St Louis International Airport from Denver International Airport?
Lambert St Louis International Airport (STL) and Denver International Airport (DEN) are 1,235 km (767 mi) apart, measured along the great-circle route.
How long is the flight from Lambert St Louis International Airport to Denver International Airport?
A direct STL–DEN flight covers the distance in about 02h 17m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Lambert St Louis International Airport to Denver International Airport produce?
A passenger's share of CO₂ on the STL–DEN route is roughly 111 kg.
Which airlines fly from Lambert St Louis International Airport to Denver International Airport?
Frontier Airlines, Southwest Airlines, United Airlines operate scheduled service between STL and DEN.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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