Need help booking?
Unpublished phone-only deals available
AIZ to FSI: distance & flight time
Kaiser Lake Ozark (Lee C Fine Memorial Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
403 mi
649 km · 350 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading southwest
See live AIZ→FSI fares Phone-only fares on this route — call free
Flight time details
403 miles nonstop takes roughly 1h 21m gate to gate, flying southwest. 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
- AIZ — Lee C Fine Memorial Airport · Kaiser Lake Ozark, 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 AIZ
- TBN · Waynesville-St. Robert Regional Forney field33 mi away
- JEF · Jefferson City Memorial Airport40 mi away
- COU · Columbia Regional Airport53 mi away
- SZL · Whiteman Air Force Base70 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 AIZ from FSI?
The flight distance from Kaiser Lake Ozark (AIZ) to Fort Sill (FSI) is 403 miles (649 km, 350 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AIZ to FSI?
A nonstop flight takes about 1h 21m 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 AIZ to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AIZ–FSI that never appear on search engines, with no booking fees.