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SDY to CPR: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Casper (Casper-Natrona County International Airport)
349 mi
562 km · 304 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading south
See live SDY→CPR fares Phone-only fares on this route — call free
Flight time details
349 miles nonstop takes roughly 1h 23m gate to gate, flying south. 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
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from CPR?
The flight distance from Sidney (SDY) to Casper (CPR) is 349 miles (562 km, 304 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to CPR?
A nonstop flight takes about 1h 23m 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 SDY to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–CPR that never appear on search engines, with no booking fees.