Search Cheapest Flights to Illinois

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Cheap flights to Illinois

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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Delta
Delta
United
Delta
American Airlines
United
Delta
United
American Airlines
American Airlines
American Airlines
Japan Airlines

Cheapest Flights To Illinois

Your boss is making it hard to whistle while you work. You could call in sick, but what fun is that? We say you should fly to Illinois for a much-needed holiday. At lastminute.com.au, our deals are almost as hard to resist as that second in-flight beverage.

Are there cheap flights to Illinois available?

Cheer up, frugal friend! We've found flights to Illinois starting from AU$610. When you grab economy (or premium economy flights if you're feeling fancy) to Illinois at a discount on lastminute.com.au, you still have plenty left over for a midnight snack after you get home from the nightclub (or the museum, as far as your mum is concerned).

What airlines fly to Illinois?

Some of the most popular airlines that fly to airports in Illinois are United, American Airlines, Delta, Japan Airlines. What are you waiting for? You grab the ticket, we’ll start packing your carry-on.

Check out flights to these amazing Illinois cities

Popular cities in Illinois

Deals On This Weekend's Flights

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Embassy Suites by Hilton Chicago Downtown River North

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Stay at this 4-star hotel in Chicago. Enjoy free breakfast, room service, and a fitness center. Our guests praise the breakfast and the pool in our reviews. ...
8.2/10 Very Good! (3,954 reviews)
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Reviewed on 29 Apr. 2025

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Congress Plaza Hotel

3.5 out of 5
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Hilton Chicago/Magnificent Mile Suites

Hilton Chicago/Magnificent Mile Suites

3.5 out of 5
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Hilton Chicago/Magnificent Mile Suites
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.