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MSO to YSM: distance & flight time
Missoula (Missoula International Airport) → Fort Smith (Fort Smith Airport)
910 mi
1,464 km · 790 nm
2h 27m
estimated nonstop flight time
Same time
time difference · heading north
See live MSO→YSM fares Phone-only fares on this route — call free
Flight time details
910 miles nonstop takes roughly 2h 27m 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
- MSO — Missoula International Airport · Missoula, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 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 MSO from YSM?
The flight distance from Missoula (MSO) to Fort Smith (YSM) is 910 miles (1,464 km, 790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to YSM?
A nonstop flight takes about 2h 27m 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 MSO to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–YSM that never appear on search engines, with no booking fees.