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GTF to IDA: distance & flight time
Great Falls (Great Falls International Airport) → Idaho Falls (Idaho Falls Regional Airport)
276 mi
445 km · 240 nm
1h 12m
estimated nonstop flight time
Same time
time difference · heading south
See live GTF→IDA fares Phone-only fares on this route — call free
Flight time details
276 miles nonstop takes roughly 1h 12m 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
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from IDA?
The flight distance from Great Falls (GTF) to Idaho Falls (IDA) is 276 miles (445 km, 240 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to IDA?
A nonstop flight takes about 1h 12m 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 GTF to IDA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–IDA that never appear on search engines, with no booking fees.