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FTK to SUX: distance & flight time
Fort Knox (Godman Army Air Field) → Sioux City (Sioux Gateway Col. Bud Day Field)
631 mi
1,015 km · 548 nm
1h 50m
estimated nonstop flight time
-1h
time difference · heading northwest
See live FTK→SUX fares Phone-only fares on this route — call free
Flight time details
631 miles nonstop takes roughly 1h 50m gate to gate, flying northwest. 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
- FTK — Godman Army Air Field · Fort Knox, United States
- SUX — Sioux Gateway Col. Bud Day Field · Sioux City, 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 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
Near SUX
- OFK · Karl Stefan Memorial Airport61 mi away
- YKN · Chan Gurney Municipal Airport62 mi away
- FET · Fremont Municipal Airport66 mi away
- OMA · Eppley Airfield80 mi away
Frequently asked questions
How far is FTK from SUX?
The flight distance from Fort Knox (FTK) to Sioux City (SUX) is 631 miles (1,015 km, 548 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FTK to SUX?
A nonstop flight takes about 1h 50m 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 Knox and Sioux City?
Sioux City is 1 hour behind Fort Knox.
What is the cheapest way to fly from FTK to SUX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FTK–SUX that never appear on search engines, with no booking fees.