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IDA to CPR: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Casper (Casper-Natrona County International Airport)
285 mi
459 km · 248 nm
1h 13m
estimated nonstop flight time
Same time
time difference · heading east
See live IDA→CPR fares Phone-only fares on this route — call free
Flight time details
285 miles nonstop takes roughly 1h 13m gate to gate, flying east. 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
- IDA — Idaho Falls Regional Airport · Idaho Falls, United States
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is IDA from CPR?
The flight distance from Idaho Falls (IDA) to Casper (CPR) is 285 miles (459 km, 248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to CPR?
A nonstop flight takes about 1h 13m 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 IDA to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–CPR that never appear on search engines, with no booking fees.