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ALN to SUX: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Sioux City (Sioux Gateway Col. Bud Day Field)
411 mi
662 km · 357 nm
1h 22m
estimated nonstop flight time
—
time difference · heading northwest
See live ALN→SUX fares Phone-only fares on this route — call free
Flight time details
411 miles nonstop takes roughly 1h 22m gate to gate, flying northwest. 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
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 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 ALN from SUX?
The flight distance from Alton/St Louis (ALN) to Sioux City (SUX) is 411 miles (662 km, 357 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to SUX?
A nonstop flight takes about 1h 22m 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 ALN to SUX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–SUX that never appear on search engines, with no booking fees.