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FSM to SDF: distance & flight time
Fort Smith (Fort Smith Regional Airport) → Louisville (Louisville International Standiford Field)
516 mi
831 km · 449 nm
1h 35m
estimated nonstop flight time
+1h
time difference · heading northeast
See live FSM→SDF fares Phone-only fares on this route — call free
Flight time details
516 miles nonstop takes roughly 1h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FSM — Fort Smith Regional Airport · Fort Smith, United States
- SDF — Louisville International Standiford Field · Louisville, 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 FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 mi away
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
Frequently asked questions
How far is FSM from SDF?
The flight distance from Fort Smith (FSM) to Louisville (SDF) is 516 miles (831 km, 449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSM to SDF?
A nonstop flight takes about 1h 35m 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 Fort Smith and Louisville?
Louisville is 1 hour ahead of Fort Smith.
What is the cheapest way to fly from FSM to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSM–SDF that never appear on search engines, with no booking fees.