New calculation
Flight distance & time
Lambert St Louis International Airport → Dupage Airport
STLDPA
- Distance
- 394 km · 244 mi
- Flight time
- 01h 14m
- CO₂ per passenger
- 35 kg
This Lambert St Louis International Airport → Dupage 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: Dupage Airport → Lambert St Louis International Airport
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Your route
- FromSTLLambert St Louis International AirportSt Louis, Missouri
- ToDPADupage AirportChicago/West Chicago, Illinois
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
Lambert St Louis International Airport to Dupage Airport FAQ
How far is Lambert St Louis International Airport from Dupage Airport?
Lambert St Louis International Airport (STL) and Dupage Airport (DPA) are 394 km (244 mi) apart, measured along the great-circle route.
How long is the flight from Lambert St Louis International Airport to Dupage Airport?
A direct STL–DPA 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 Lambert St Louis International Airport to Dupage Airport produce?
A passenger's share of CO₂ on the STL–DPA 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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