Need help booking?
Unpublished phone-only deals available
SDY to CYS: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Cheyenne (Cheyenne Regional Jerry Olson Field)
454 mi
730 km · 394 nm
1h 27m
estimated nonstop flight time
Same time
time difference · heading south
See live SDY→CYS fares Phone-only fares on this route — call free
Flight time details
454 miles nonstop takes roughly 1h 27m 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
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Frequently asked questions
How far is SDY from CYS?
The flight distance from Sidney (SDY) to Cheyenne (CYS) is 454 miles (730 km, 394 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to CYS?
A nonstop flight takes about 1h 27m 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 CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–CYS that never appear on search engines, with no booking fees.