A calm lake with reflections of trees and reeds.

Cheap Flights to St. Clair County from $75

View $75 flight on Sun, Nov 1, 2026Opens in a new window

Popular airlines to St. Clair County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

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

Prices were available within the past 7 days and start at $75 for one-way flights and $138 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
United
American Airlines
Delta
JetBlue Airways

Trending flights to St. Clair 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.

United

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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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