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Top Cities to Visit in Illinois

How much is the cheapest flight to Illinois?

Prices were available within the past 7 days and starts at CA $139 for one-way flights and CA $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

About Illinois

Expedia offers flights to Illinois to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Illinois or destinations around the world and discover how easy it is to make your flight reservations on Expedia.