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IDA to GEG: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Spokane (Spokane International Airport)
387 mi
624 km · 337 nm
1h 29m
estimated nonstop flight time
-1h
time difference · heading northwest
See live IDA→GEG fares Phone-only fares on this route — call free
Flight time details
387 miles nonstop takes roughly 1h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- IDA — Idaho Falls Regional Airport · Idaho Falls, United States
- GEG — Spokane International Airport · Spokane, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 mi away
Near GEG
- SKA · Fairchild Air Force Base6 mi away
- SFF · Felts Field11 mi away
- COE · Coeur D'Alene - Pappy Boyington Field35 mi away
- PUW · Pullman Moscow Regional Airport64 mi away
Frequently asked questions
How far is IDA from GEG?
The flight distance from Idaho Falls (IDA) to Spokane (GEG) is 387 miles (624 km, 337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to GEG?
A nonstop flight takes about 1h 29m 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 time difference between Idaho Falls and Spokane?
Spokane is 1 hour behind Idaho Falls.
What is the cheapest way to fly from IDA to GEG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–GEG that never appear on search engines, with no booking fees.