A stone bridge over a river, surrounded by greenery and rocks.

Cheap Flights to LaSalle County from $49

View $49 flight on Fri, Dec 4, 2026Opens in a new window

Popular airlines to LaSalle County

  • American Airlines

  • United

  • Delta

  • Frontier Airlines

  • Alaska Airlines

  • JetBlue Airways

  • Air Canada

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How much is the cheapest flight to LaSalle County?

Prices were available within the past 7 days and start at $49 for one-way flights and $100 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
Allegiant Air
Allegiant Air
American Airlines
Delta

Trending flights to LaSalle 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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