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CPR to BTM: distance & flight time
Casper (Casper-Natrona County International Airport) → Butte (Bert Mooney Airport)
364 mi
586 km · 317 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading northwest
See live CPR→BTM fares Phone-only fares on this route — call free
Flight time details
364 miles nonstop takes roughly 1h 26m 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
- CPR — Casper-Natrona County International Airport · Casper, United States
- BTM — Bert Mooney Airport · Butte, 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 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
Near BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is CPR from BTM?
The flight distance from Casper (CPR) to Butte (BTM) is 364 miles (586 km, 317 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to BTM?
A nonstop flight takes about 1h 26m 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 CPR to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–BTM that never appear on search engines, with no booking fees.