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FSM to STL: distance & flight time
Fort Smith (Fort Smith Regional Airport) → St. Louis (St Louis Lambert International Airport)
323 mi
519 km · 280 nm
1h 19m
estimated nonstop flight time
Same time
time difference · heading northeast
See live FSM→STL fares Phone-only fares on this route — call free
Flight time details
323 miles nonstop takes roughly 1h 19m 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
- STL — St Louis Lambert International Airport · 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is FSM from STL?
The flight distance from Fort Smith (FSM) to St. Louis (STL) is 323 miles (519 km, 280 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSM to STL?
A nonstop flight takes about 1h 19m 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 STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSM–STL that never appear on search engines, with no booking fees.