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FSI to CYS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Cheyenne (Cheyenne Regional Jerry Olson Field)
569 mi
916 km · 494 nm
1h 42m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FSI→CYS fares Phone-only fares on this route — call free
Flight time details
569 miles nonstop takes roughly 1h 42m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 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 FSI from CYS?
The flight distance from Fort Sill (FSI) to Cheyenne (CYS) is 569 miles (916 km, 494 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to CYS?
A nonstop flight takes about 1h 42m 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 Fort Sill and Cheyenne?
Cheyenne is 1 hour behind Fort Sill.
What is the cheapest way to fly from FSI to CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–CYS that never appear on search engines, with no booking fees.