A multi-tiered waterfall surrounded by rocky terrain and autumn foliage.

Cheap Flights to St. Croix County from $30

View $30 flight on Tue, Sep 29, 2026Opens in a new window

Popular airlines to St. Croix County

  • American Airlines

  • Delta

  • United

  • Alaska Airlines

  • Frontier Airlines

  • Southwest Airlines

  • Sun Country Airlines

How much is the cheapest flight to St. Croix County?

Prices were available within the past 7 days and start at $30 for one-way flights and $50 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Sun Country Airlines
American Airlines
Delta
United

Airports in St. Croix County

Prices were available within the past 7 days. Prices and availability are subject to change.

Trending flights to St. Croix 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.

Frontier Airlines

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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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