Find Helena to Sioux City flights starting at US$665.
Book one-way or return flights from Helena to Sioux City from as little as US$665. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- HLN06:5310h 33m1 stopSUX18:26Fri, Jun 7|Helena - Sioux City|United AirlinesUS$665US$82119% OFF19% OFFUS$821US$665
- HLN13:003h 5mDirectSUX14:00Fri, Jun 14|Helena - Sioux City|United AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Helena to Sioux City.
- CheapestHLN15:0126h 25m2 transferSUX18:26Helena Regional Airport - Sioux Gateway AirportFri, Jun 7Alaska AirlinesUS$647
- HLN15:0126h 25m2 transferSUX18:26Helena Regional Airport - Sioux Gateway AirportFri, Jun 7Alaska AirlinesUS$647Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Helena to Sioux City
Cheapest direct flight price | US$665 |
---|---|
Cheapest month | February |
Peak season for travel | June |
Flight distance | 1,319.62km |
Popular airline | Alaska Airlines |
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