Need help booking?
Unpublished phone-only deals available
YSM to IDA: distance & flight time
Fort Smith (Fort Smith Airport) → Idaho Falls (Idaho Falls Regional Airport)
1,140 mi
1,835 km · 991 nm
2h 57m
estimated nonstop flight time
Same time
time difference · heading south
See live YSM→IDA fares Phone-only fares on this route — call free
Flight time details
1,140 miles nonstop takes roughly 2h 57m gate to gate, flying south. 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
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 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
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 YSM from IDA?
The flight distance from Fort Smith (YSM) to Idaho Falls (IDA) is 1,140 miles (1,835 km, 991 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to IDA?
A nonstop flight takes about 2h 57m 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 YSM to IDA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–IDA that never appear on search engines, with no booking fees.