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HLN to SUX: distance & flight time
Helena (Helena Regional Airport) → Sioux City (Sioux Gateway Col. Bud Day Field)
820 mi
1,320 km · 713 nm
2h 15m
estimated nonstop flight time
+1h
time difference · heading east
See live HLN→SUX fares Phone-only fares on this route — call free
Flight time details
820 miles nonstop takes roughly 2h 15m gate to gate, flying east. 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
- HLN — Helena Regional Airport · Helena, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 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 HLN from SUX?
The flight distance from Helena (HLN) to Sioux City (SUX) is 820 miles (1,320 km, 713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to SUX?
A nonstop flight takes about 2h 15m 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 Helena and Sioux City?
Sioux City is 1 hour ahead of Helena.
What is the cheapest way to fly from HLN to SUX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–SUX that never appear on search engines, with no booking fees.