Great deals on hotels in Illinois are now available on CheapOair. Plan your vacation after booking cheap hotels with CheapOair and save big. So, kick off for that long cherished trip by booking one of the hotels in Illinois.Cities in IllinoisAurora HotelsHotels near Aurora LandmarksBelleville HotelsHotels near Belleville LandmarksBloomington-Normal HotelsChampaign HotelsHotels near Champaign LandmarksChicago HotelsHotels near Chicago LandmarksDecatur HotelsHotels near Decatur LandmarksMarion HotelsHotels near Marion LandmarksMattoon HotelsMoline HotelsHotels near Moline LandmarksMount Vernon HotelsHotels near Mount Vernon LandmarksPeoria HotelsHotels near Peoria LandmarksQuincy HotelsHotels near Quincy LandmarksRockford HotelsSpringfield HotelsTop Cities in IllinoisHotels in BellevilleHotels in Bloomington-NormalHotels in ChampaignHotels in ChicagoHotels in DecaturHotels in MarionHotels in MattoonHotels in MolineHotels in PeoriaHotels in QuincyHotels in RockfordHotels in Springfield