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SEP to CPR: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Casper (Casper-Natrona County International Airport)
866 mi
1,394 km · 753 nm
2h 21m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SEP→CPR fares Phone-only fares on this route — call free
Flight time details
866 miles nonstop takes roughly 2h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from CPR?
The flight distance from Stephenville (SEP) to Casper (CPR) is 866 miles (1,394 km, 753 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to CPR?
A nonstop flight takes about 2h 21m 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 Stephenville and Casper?
Casper is 1 hour behind Stephenville.
What is the cheapest way to fly from SEP to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–CPR that never appear on search engines, with no booking fees.