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ALN to IDA: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Idaho Falls (Idaho Falls Regional Airport)
1,185 mi
1,907 km · 1,030 nm
3h 3m
estimated nonstop flight time
—
time difference · heading northwest
See live ALN→IDA fares Phone-only fares on this route — call free
Flight time details
1,185 miles nonstop takes roughly 3h 3m gate to gate, flying northwest. 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
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 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 ALN from IDA?
The flight distance from Alton/St Louis (ALN) to Idaho Falls (IDA) is 1,185 miles (1,907 km, 1,030 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to IDA?
A nonstop flight takes about 3h 3m 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 ALN to IDA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–IDA that never appear on search engines, with no booking fees.