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FST to FSI: distance & flight time
Fort Stockton (Fort Stockton Pecos County Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
368 mi
592 km · 320 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading northeast
See live FST→FSI fares Phone-only fares on this route — call free
Flight time details
368 miles nonstop takes roughly 1h 26m gate to gate, flying northeast. 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
- FST — Fort Stockton Pecos County Airport · Fort Stockton, United States
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FST
- PEQ · Pecos Municipal Airport48 mi away
- ALE · Alpine Casparis Municipal Airport59 mi away
- IRB · Iraan Municipal Airport61 mi away
- INK · Winkler County Airport62 mi away
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
Frequently asked questions
How far is FST from FSI?
The flight distance from Fort Stockton (FST) to Fort Sill (FSI) is 368 miles (592 km, 320 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FST to FSI?
A nonstop flight takes about 1h 26m 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 FST to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FST–FSI that never appear on search engines, with no booking fees.