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FSD to FTK: distance & flight time
Sioux Falls (Joe Foss Field Airport) → Fort Knox (Godman Army Air Field)
686 mi
1,104 km · 596 nm
1h 57m
estimated nonstop flight time
+1h
time difference · heading southeast
See live FSD→FTK fares Phone-only fares on this route — call free
Flight time details
686 miles nonstop takes roughly 1h 57m gate to gate, flying southeast. 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
- FSD — Joe Foss Field Airport · Sioux Falls, United States
- FTK — Godman Army Air Field · Fort Knox, 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 FSD
- YKN · Chan Gurney Municipal Airport56 mi away
- MHE · Mitchell Municipal Airport66 mi away
- SPW · Spencer Municipal Airport82 mi away
- SUX · Sioux Gateway Col. Bud Day Field83 mi away
Near FTK
- SDF · Louisville International Standiford Field22 mi away
- LOU · Bowman Field28 mi away
- GLW · Glasgow Municipal Airport60 mi away
- FFT · Capital City Airport61 mi away
Frequently asked questions
How far is FSD from FTK?
The flight distance from Sioux Falls (FSD) to Fort Knox (FTK) is 686 miles (1,104 km, 596 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSD to FTK?
A nonstop flight takes about 1h 57m 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 Sioux Falls and Fort Knox?
Fort Knox is 1 hour ahead of Sioux Falls.
What is the cheapest way to fly from FSD to FTK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSD–FTK that never appear on search engines, with no booking fees.