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BTM to YSM: distance & flight time
Butte (Bert Mooney Airport) → Fort Smith (Fort Smith Airport)
972 mi
1,564 km · 845 nm
2h 35m
estimated nonstop flight time
Same time
time difference · heading north
See live BTM→YSM fares Phone-only fares on this route — call free
Flight time details
972 miles nonstop takes roughly 2h 35m 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
- BTM — Bert Mooney Airport · Butte, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 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 BTM from YSM?
The flight distance from Butte (BTM) to Fort Smith (YSM) is 972 miles (1,564 km, 845 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to YSM?
A nonstop flight takes about 2h 35m 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 BTM to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–YSM that never appear on search engines, with no booking fees.