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SMN to BTM: distance & flight time
Salmon (Lemhi County Airport) → Butte (Bert Mooney Airport)
88 mi
142 km · 77 nm
42m
estimated nonstop flight time
Same time
time difference · heading northeast
See live SMN→BTM fares Phone-only fares on this route — call free
Flight time details
88 miles nonstop takes roughly 42m 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
- SMN — Lemhi County Airport · Salmon, United States
- BTM — Bert Mooney Airport · Butte, 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 SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 mi away
Near BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is SMN from BTM?
The flight distance from Salmon (SMN) to Butte (BTM) is 88 miles (142 km, 77 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to BTM?
A nonstop flight takes about 42m 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 SMN to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–BTM that never appear on search engines, with no booking fees.