Need help booking?
Unpublished phone-only deals available
FSI to GJT: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Grand Junction (Grand Junction Regional Airport)
639 mi
1,028 km · 555 nm
1h 51m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FSI→GJT fares Phone-only fares on this route — call free
Flight time details
639 miles nonstop takes roughly 1h 51m 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
- GJT — Grand Junction Regional Airport · Grand Junction, 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 GJT
- RIL · Garfield County Regional Airport51 mi away
- MTJ · Montrose Regional Airport54 mi away
- CNY · Canyonlands Field71 mi away
- TEX · Telluride Regional Airport87 mi away
Frequently asked questions
How far is FSI from GJT?
The flight distance from Fort Sill (FSI) to Grand Junction (GJT) is 639 miles (1,028 km, 555 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to GJT?
A nonstop flight takes about 1h 51m 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 Grand Junction?
Grand Junction is 1 hour behind Fort Sill.
What is the cheapest way to fly from FSI to GJT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–GJT that never appear on search engines, with no booking fees.