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PHN to CPR: distance & flight time
Port Huron (St Clair County International Airport) → Casper (Casper-Natrona County International Airport)
1,207 mi
1,943 km · 1,049 nm
3h 5m
estimated nonstop flight time
-2h
time difference · heading west
See live PHN→CPR fares Phone-only fares on this route — call free
Flight time details
1,207 miles nonstop takes roughly 3h 5m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from CPR?
The flight distance from Port Huron (PHN) to Casper (CPR) is 1,207 miles (1,943 km, 1,049 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to CPR?
A nonstop flight takes about 3h 5m 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 time difference between Port Huron and Casper?
Casper is 2 hours behind Port Huron.
What is the cheapest way to fly from PHN to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–CPR that never appear on search engines, with no booking fees.