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Flight distance & time
Buffalo Niagara International Airport → St Louis Regional Airport
BUFALN
- Distance
- 1,050 km · 652 mi
- Flight time
- 02h 03m
- CO₂ per passenger
- 94 kg
This Buffalo Niagara International Airport → St Louis Regional Airport route is 1,050 km (652 mi) end to end. The estimated flight time is 02h 03m, and a passenger's share of CO₂ works out at roughly 94 kg.
See the reverse route: St Louis Regional Airport → Buffalo Niagara International Airport
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Your route
- FromBUFBuffalo Niagara International AirportBuffalo, New York
- ToALNSt Louis Regional AirportAlton/St Louis, 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
Buffalo Niagara International Airport to St Louis Regional Airport FAQ
How far is Buffalo Niagara International Airport from St Louis Regional Airport?
Buffalo Niagara International Airport (BUF) and St Louis Regional Airport (ALN) are 1,050 km (652 mi) apart, measured along the great-circle route.
How long is the flight from Buffalo Niagara International Airport to St Louis Regional Airport?
A direct BUF–ALN flight covers the distance in about 02h 03m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Buffalo Niagara International Airport to St Louis Regional Airport produce?
A passenger's share of CO₂ on the BUF–ALN route is roughly 94 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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