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FLD to FSI: distance & flight time
Fond du Lac (Fond du Lac County Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
823 mi
1,324 km · 715 nm
2h 15m
estimated nonstop flight time
Same time
time difference · heading southwest
See live FLD→FSI fares Phone-only fares on this route — call free
Flight time details
823 miles nonstop takes roughly 2h 15m 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
- FLD — Fond du Lac County Airport · Fond du Lac, 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 FLD
- OSH · Wittman Regional Airport15 mi away
- ETB · West Bend Municipal Airport30 mi away
- SBM · Sheboygan County Memorial Airport32 mi away
- ATW · Appleton International Airport34 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 FLD from FSI?
The flight distance from Fond du Lac (FLD) to Fort Sill (FSI) is 823 miles (1,324 km, 715 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLD to FSI?
A nonstop flight takes about 2h 15m 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 FLD to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLD–FSI that never appear on search engines, with no booking fees.