Search Cheapest Flights to Illinois

More Flash, Less Cash - Take advantage of our Price Pledge** (even on luxey stays)

We keep it easy with the option to pay now or later on select accommodation

Book up 'til the last second - millions of rooms to crash tonight^

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.

Qantas Airways
Qantas Airways
Qantas Airways
Qantas Airways
Air Canada
Air Canada
United
Delta
Delta
United

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$1,171. 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 Qantas Airways, United, Delta, Air Canada, American 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

Travelers ❤️ These 🏨

Congress Plaza Hotel

Congress Plaza Hotel

3.5 out of 5
520 South Michigan Avenue, Chicago, IL
Book a stay at this business-friendly hotel in Chicago. Enjoy free WiFi, 2 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
7.8/10 Good! (8,365 reviews)
"This was a great stay for me and my family. You’re not paying for a 5 star hotel, so don’t expect that. The building is definitely aged but they have done some renovations to try to maintain it. The rooms are definitely still outdated but they are not bad. The beds are comfortable and clean. The ..."

Reviewed on 4 Jan. 2025

Congress Plaza Hotel
River Hotel

River Hotel

4 out of 5
75 East Wacker Drive, Chicago, IL
Stay at this 4-star business-friendly hotel in Chicago. Enjoy free WiFi, room service, and a fitness center. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (3,677 reviews)
"N/A"

Reviewed on 4 Jan. 2025

River Hotel
Embassy Suites by Hilton Chicago Downtown River North

Embassy Suites by Hilton Chicago Downtown River North

4 out of 5
600 N State St, Chicago, IL
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! (3,436 reviews)
"Nice personal, breakfast and stuff"

Reviewed on 4 Jan. 2025

Embassy Suites by Hilton Chicago Downtown River North
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.