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YSL to CPR: distance & flight time
St Leonard (St Leonard Airport) → Casper (Casper-Natrona County International Airport)
1,889 mi
3,040 km · 1,642 nm
4h 10m
estimated nonstop flight time
—
time difference · heading west
See live YSL→CPR fares Phone-only fares on this route — call free
Flight time details
1,889 miles nonstop takes roughly 4h 10m gate to gate, flying west. 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
- YSL — St Leonard Airport · St Leonard, Canada
- 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 YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 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 YSL from CPR?
The flight distance from St Leonard (YSL) to Casper (CPR) is 1,889 miles (3,040 km, 1,642 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to CPR?
A nonstop flight takes about 4h 10m 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 YSL to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–CPR that never appear on search engines, with no booking fees.