A calm lake surrounded by trees and greenery.

Cheap Flights to St. Clair County from $51

View $51 flight on Fri, Nov 13, 2026Opens in a new window

Popular airlines to St. Clair County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Alaska Airlines

  • Lufthansa

  • KLM

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $51 for one-way flights and $102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Breeze Airways
Southwest Airlines
Southwest Airlines
United
Southwest Airlines
American Airlines
Southwest Airlines
Southwest Airlines
Delta

Airports in St. Clair County

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

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.

Breeze Airways

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

*Flight schedules are subject to change.

*Available to One Key members.

Explore a world of travel with Expedia