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BOI to YSM: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Fort Smith (Fort Smith Airport)
1,151 mi
1,852 km · 1,000 nm
2h 58m
estimated nonstop flight time
Same time
time difference · heading north
See live BOI→YSM fares Phone-only fares on this route — call free
Flight time details
1,151 miles nonstop takes roughly 2h 58m 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
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 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 BOI from YSM?
The flight distance from Boise (BOI) to Fort Smith (YSM) is 1,151 miles (1,852 km, 1,000 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to YSM?
A nonstop flight takes about 2h 58m 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 BOI to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–YSM that never appear on search engines, with no booking fees.