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ALE to FSI: distance & flight time
Alpine (Alpine Casparis Municipal Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
426 mi
686 km · 370 nm
1h 24m
estimated nonstop flight time
—
time difference · heading northeast
See live ALE→FSI fares Phone-only fares on this route — call free
Flight time details
426 miles nonstop takes roughly 1h 24m 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
- ALE — Alpine Casparis Municipal Airport · Alpine, 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 ALE
- MRF · Marfa Municipal Airport20 mi away
- FST · Fort Stockton Pecos County Airport59 mi away
- PEQ · Pecos Municipal Airport70 mi away
- INK · Winkler County Airport101 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 ALE from FSI?
The flight distance from Alpine (ALE) to Fort Sill (FSI) is 426 miles (686 km, 370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALE to FSI?
A nonstop flight takes about 1h 24m 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 ALE to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALE–FSI that never appear on search engines, with no booking fees.