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SUX to DUC: distance & flight time
Sioux City (Sioux Gateway Col. Bud Day Field) → Duncan (Halliburton Field)
555 mi
893 km · 482 nm
1h 40m
estimated nonstop flight time
Same time
time difference · heading south
See live SUX→DUC fares Phone-only fares on this route — call free
Flight time details
555 miles nonstop takes roughly 1h 40m gate to gate, flying south. 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
- SUX — Sioux Gateway Col. Bud Day Field · Sioux City, United States
- DUC — Halliburton Field · Duncan, 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 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
Near DUC
Frequently asked questions
How far is SUX from DUC?
The flight distance from Sioux City (SUX) to Duncan (DUC) is 555 miles (893 km, 482 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUX to DUC?
A nonstop flight takes about 1h 40m 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 SUX to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUX–DUC that never appear on search engines, with no booking fees.