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IDA to GRK: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Killeen (Robert Gray Army Air Field Airport)
1,160 mi
1,866 km · 1,008 nm
2h 59m
estimated nonstop flight time
+1h
time difference · heading southeast
See live IDA→GRK fares Phone-only fares on this route — call free
Flight time details
1,160 miles nonstop takes roughly 2h 59m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- IDA — Idaho Falls Regional Airport · Idaho Falls, United States
- GRK — Robert Gray Army Air Field Airport · Killeen, 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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Frequently asked questions
How far is IDA from GRK?
The flight distance from Idaho Falls (IDA) to Killeen (GRK) is 1,160 miles (1,866 km, 1,008 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to GRK?
A nonstop flight takes about 2h 59m 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 Killeen?
Killeen is 1 hour ahead of Idaho Falls.
What is the cheapest way to fly from IDA to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–GRK that never appear on search engines, with no booking fees.