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TWF to YSM: distance & flight time
Twin Falls (Joslin Field Magic Valley Regional Airport) → Fort Smith (Fort Smith Airport)
1,216 mi
1,958 km · 1,057 nm
3h 7m
estimated nonstop flight time
Same time
time difference · heading north
See live TWF→YSM fares Phone-only fares on this route — call free
Flight time details
1,216 miles nonstop takes roughly 3h 7m gate to gate, flying north. 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
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, United States
- YSM — Fort Smith Airport · Fort Smith, Canada
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 TWF
- BYI · Burley Municipal Airport37 mi away
- SUN · Friedman Memorial Airport71 mi away
- MUO · Mountain Home Air Force Base80 mi away
- PIH · Pocatello Regional Airport101 mi away
Near YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is TWF from YSM?
The flight distance from Twin Falls (TWF) to Fort Smith (YSM) is 1,216 miles (1,958 km, 1,057 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TWF to YSM?
A nonstop flight takes about 3h 7m 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 TWF to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TWF–YSM that never appear on search engines, with no booking fees.