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ATY to CPR: distance & flight time
Watertown (Watertown Regional Airport) → Casper (Casper-Natrona County International Airport)
483 mi
778 km · 420 nm
1h 31m
estimated nonstop flight time
-1h
time difference · heading west
See live ATY→CPR fares Phone-only fares on this route — call free
Flight time details
483 miles nonstop takes roughly 1h 31m gate to gate, flying west. 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
- ATY — Watertown Regional Airport · Watertown, 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 ATY
- HON · Huron Regional Airport64 mi away
- ABR · Aberdeen Regional Airport72 mi away
- MHE · Mitchell Municipal Airport90 mi away
- FSD · Joe Foss Field Airport94 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 ATY from CPR?
The flight distance from Watertown (ATY) to Casper (CPR) is 483 miles (778 km, 420 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to CPR?
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 time difference between Watertown and Casper?
Casper is 1 hour behind Watertown.
What is the cheapest way to fly from ATY to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–CPR that never appear on search engines, with no booking fees.