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CPR to SMN: distance & flight time
Casper (Casper-Natrona County International Airport) → Salmon (Lemhi County Airport)
399 mi
642 km · 347 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading northwest
See live CPR→SMN fares Phone-only fares on this route — call free
Flight time details
399 miles nonstop takes roughly 1h 31m 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
- SMN — Lemhi County Airport · Salmon, 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 SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 mi away
Frequently asked questions
How far is CPR from SMN?
The flight distance from Casper (CPR) to Salmon (SMN) is 399 miles (642 km, 347 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to SMN?
A nonstop flight takes about 1h 31m 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 SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–SMN that never appear on search engines, with no booking fees.