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SMN to IDA: distance & flight time
Salmon (Lemhi County Airport) → Idaho Falls (Idaho Falls Regional Airport)
143 mi
230 km · 124 nm
51m
estimated nonstop flight time
Same time
time difference · heading southeast
See live SMN→IDA fares Phone-only fares on this route — call free
Flight time details
143 miles nonstop takes roughly 51m gate to gate, flying southeast. 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
- IDA — Idaho Falls Regional Airport · Idaho Falls, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 mi away
Frequently asked questions
How far is SMN from IDA?
The flight distance from Salmon (SMN) to Idaho Falls (IDA) is 143 miles (230 km, 124 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to IDA?
A nonstop flight takes about 51m 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 IDA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–IDA that never appear on search engines, with no booking fees.