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ISW to FSI: distance & flight time
Wisconsin Rapids (Alexander Field South Wood County Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
810 mi
1,304 km · 704 nm
2h 14m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ISW→FSI fares Phone-only fares on this route — call free
Flight time details
810 miles nonstop takes roughly 2h 14m 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
- ISW — Alexander Field South Wood County Airport · Wisconsin Rapids, 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 ISW
- STE · Stevens Point Municipal Airport20 mi away
- MFI · Marshfield Municipal Airport26 mi away
- CWA · Central Wisconsin Airport30 mi away
- VOK · Volk Field36 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 ISW from FSI?
The flight distance from Wisconsin Rapids (ISW) to Fort Sill (FSI) is 810 miles (1,304 km, 704 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISW to FSI?
A nonstop flight takes about 2h 14m 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 ISW to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISW–FSI that never appear on search engines, with no booking fees.