New calculation
Flight distance & time
Dupage Airport → Lambert St Louis International Airport
DPASTL
- Distance
- 394 km · 244 mi
- Flight time
- 01h 14m
- CO₂ per passenger
- 35 kg
This Dupage Airport → Lambert St Louis International Airport route is 394 km (244 mi) end to end. The estimated flight time is 01h 14m, and a passenger's share of CO₂ works out at roughly 35 kg.
See the reverse route: Lambert St Louis International Airport → Dupage Airport
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Your route
- FromDPADupage AirportChicago/West Chicago, Illinois
- ToSTLLambert St Louis International AirportSt Louis, Missouri
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Dupage Airport to Lambert St Louis International Airport FAQ
How far is Dupage Airport from Lambert St Louis International Airport?
Dupage Airport (DPA) and Lambert St Louis International Airport (STL) are 394 km (244 mi) apart, measured along the great-circle route.
How long is the flight from Dupage Airport to Lambert St Louis International Airport?
A direct DPA–STL flight covers the distance in about 01h 14m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Dupage Airport to Lambert St Louis International Airport produce?
A passenger's share of CO₂ on the DPA–STL route is roughly 35 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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