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HLN to CPR: distance & flight time
Helena (Helena Regional Airport) → Casper (Casper-Natrona County International Airport)
372 mi
599 km · 323 nm
1h 27m
estimated nonstop flight time
Same time
time difference · heading southeast
See live HLN→CPR fares Phone-only fares on this route — call free
Flight time details
372 miles nonstop takes roughly 1h 27m gate to gate, flying southeast. 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
- HLN — Helena Regional Airport · Helena, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 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 HLN from CPR?
The flight distance from Helena (HLN) to Casper (CPR) is 372 miles (599 km, 323 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to CPR?
A nonstop flight takes about 1h 27m 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 HLN to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–CPR that never appear on search engines, with no booking fees.