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SDF to FSI: distance & flight time
Louisville (Louisville International Standiford Field) → Fort Sill (Henry Post Army Air Field (Fort Sill))
744 mi
1,198 km · 647 nm
2h 5m
estimated nonstop flight time
-1h
time difference · heading west
See live SDF→FSI fares Phone-only fares on this route — call free
Flight time details
744 miles nonstop takes roughly 2h 5m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass 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 SDF from FSI?
The flight distance from Louisville (SDF) to Fort Sill (FSI) is 744 miles (1,198 km, 647 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to FSI?
A nonstop flight takes about 2h 5m 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 time difference between Louisville and Fort Sill?
Fort Sill is 1 hour behind Louisville.
What is the cheapest way to fly from SDF to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–FSI that never appear on search engines, with no booking fees.