Find cheap return or one-way flights to Illinois. Book & compare flight deals to Illinois and save now! Get great flight deals to Illinois for 2024.
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Find flights to Illinois from $29. Fly from the United States on Spirit Airlines, Frontier and more. Search for Illinois flights on KAYAK now to find the ...
Starting from $126.95
Book cheap flights to Chicago (ORD) with United Airlines. Enjoy all the in-flight perks on your Chicago flight, including speed Wi-Fi.
Cheap flights from Illinois to all destinations. Find best deals for flights from Illinois from top airlines with great prices at Expedia.com.
Find cheap flights to Illinois with Google Flights. Explore popular destinations in Illinois and book your flight.