
Popular airlines to Illinois
Delta
American Airlines
Frontier Airlines
United
Spirit Airlines
Southwest Airlines
Alaska Airlines
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Popular cities in Illinois

Chicago
Cheapest 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.










Trending flights to Illinois
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions
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Book with confidence
Illinois Flights
When was the last time you embarked on a grand adventure? Whether it was last month or years ago, there’s never been a better time to start planning your next big trip. Book tickets to Illinois today and get ready to build your travel itinerary, from exploring the area with your family to recharging in the change of scenery. During your stay, visit the must-see attractions, chow down on the local cuisine, and relish in a holiday state of mind. However you decide to spend your upcoming trip, we’re here to make your travel plans easy and affordable.
Book Your Illinois Airfare
At Expedia.com.au, it’s simple to find cheap flights to Illinois that won’t cause your wallet to flinch. Browse through our inventory of Illinois flights and find airfare matching your preferred times and dates. Looking for a red-eye flight or an afternoon departure? Don’t worry, we’ve got you covered. You can even take advantage of our convenient My Scratchpad online feature, which lets you track your search results with ease. No more excuses; book your travel arrangements with us today to make your dream trip a reality.
Travel information
Travel information
Illinois Flights Information
Airlines serving | Air Canada, American Airlines, United, Delta, Virgin Australia, Jetstar, Air New Zealand |
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Roundtrip price | from AU$1,205 |
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Explore a world of travel with Expedia
Top Flight Destinations In Illinois
- Flights to Chicago
- Flights to St. Louis
- Flights to Lake Geneva
- Flights to Galena
- Flights to Schaumburg
- Flights to Champaign
- Flights to Rosemont
- Flights to Davenport
- Flights to Springfield
- Flights to Dubuque
- Flights to Naperville
- Flights to Rockford
- Flights to Bloomington
- Flights to Peoria
- Flights to Paducah
Top Flight Destinations In The World
- Flights to China
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Top Illinois Hotels
- Congress Plaza Hotel
- Hilton Garden Inn Chicago Downtown/Magnificent Mile
- Hilton Chicago/Magnificent Mile Suites
- citizenM Chicago Downtown
- The Chicago Hotel Collection - Magnificent Mile
- Freehand Chicago
- The Whitehall Hotel, BW Premier Collection
- The Allegro Royal Sonesta Hotel Chicago Loop
- Warwick Allerton - Chicago
- Embassy Suites by Hilton Chicago Downtown River North
- InterContinental Chicago Magnificent Mile by IHG
- Hyatt Regency Chicago
- Hotel Felix River North/Magnificent Mile
- The Wade
- River Hotel
- Hilton Chicago
- Claridge House
- The Royal Sonesta Chicago Downtown
- Palmer House a Hilton Hotel
- Club Quarters Hotel, Central Loop, Chicago