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FSI to SGU: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Saint George (St George Municipal Airport)
861 mi
1,386 km · 748 nm
2h 20m
estimated nonstop flight time
-1h
time difference · heading west
See live FSI→SGU fares Phone-only fares on this route — call free
Flight time details
861 miles nonstop takes roughly 2h 20m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- SGU — St George Municipal Airport · Saint George, 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 SGU
- CDC · Cedar City Regional Airport51 mi away
- LAS · McCarran International Airport113 mi away
- BCE · Bryce Canyon Airport88 mi away
- LSV · Nellis Air Force Base101 mi away
Frequently asked questions
How far is FSI from SGU?
The flight distance from Fort Sill (FSI) to Saint George (SGU) is 861 miles (1,386 km, 748 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to SGU?
A nonstop flight takes about 2h 20m 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 Saint George?
Saint George is 1 hour behind Fort Sill.
What is the cheapest way to fly from FSI to SGU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–SGU that never appear on search engines, with no booking fees.