A calm river with dense green trees on both sides.

Cheap Flights to Sioux County from $50

View $50 flight on Fri, Dec 11, 2026Opens in a new window

Popular airlines to Sioux County

  • American Airlines

  • United

  • Delta

  • Allegiant Air

  • Alaska Airlines

  • Frontier Airlines

  • Lufthansa

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How much is the cheapest flight to Sioux County?

Prices were available within the past 7 days and start at $50 for one-way flights and $86 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air
Allegiant Air
Allegiant Air
Allegiant Air
Allegiant Air
Allegiant Air
Frontier Airlines
Delta
United
American Airlines

Trending flights to Sioux County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air

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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

*Flight schedules are subject to change.

*Available to One Key members.

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