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BUF to ALN: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Alton/St Louis (St Louis Regional Airport)
653 mi
1,051 km · 567 nm
1h 53m
estimated nonstop flight time
—
time difference · heading west
See live BUF→ALN fares Phone-only fares on this route — call free
Flight time details
653 miles nonstop takes roughly 1h 53m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- ALN — St Louis Regional Airport · Alton/St Louis, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is BUF from ALN?
The flight distance from Buffalo (BUF) to Alton/St Louis (ALN) is 653 miles (1,051 km, 567 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to ALN?
A nonstop flight takes about 1h 53m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from BUF to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–ALN that never appear on search engines, with no booking fees.