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

Cheap Flights to LaSalle County from $49

View $49 flight on Wed, Oct 14, 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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Today's featured flight deals to LaSalle County

NonstopCarry-on includedLower price than typical

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 $94 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

Airports in LaSalle County

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

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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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.

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