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FSM to ALN: distance & flight time
Fort Smith (Fort Smith Regional Airport) → Alton/St Louis (St Louis Regional Airport)
342 mi
550 km · 297 nm
1h 22m
estimated nonstop flight time
—
time difference · heading northeast
See live FSM→ALN fares Phone-only fares on this route — call free
Flight time details
342 miles nonstop takes roughly 1h 22m gate to gate, flying northeast. 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
- FSM — Fort Smith Regional Airport · Fort Smith, 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 FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 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 FSM from ALN?
The flight distance from Fort Smith (FSM) to Alton/St Louis (ALN) is 342 miles (550 km, 297 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSM to ALN?
A nonstop flight takes about 1h 22m 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 FSM to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSM–ALN that never appear on search engines, with no booking fees.