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Cheap flights to Illinois, United States

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Cheap flights found on Fly.com within the past 48 hours(per person, including taxes and fees)

OriginDestinationPrice R/TDatesAirline
AtlantaATLtoChicagoORD$3812/09 - 12/16Frontier Airlines
Washington, DCIADtoChicagoORD$5212/03 - 12/08Frontier Airlines
PhoenixPHXtoChicagoORD$7812/03 - 12/06Frontier Airlines
Kansas CityMCItoChicagoORD$8412/04 - 12/09Spirit Airlines
DenverDENtoChicagoMDW$9612/10 - 12/10Frontier Airlines
DallasDFWtoChicagoORD$9701/06 - 01/13American Airlines
MinneapolisMSPtoChicagoORD$9712/06 - 12/09Spirit Airlines
TrentonTTNtoChicagoMDW$12912/15 - 12/15Frontier Airlines
Fort MyersRSWtoChicagoORD$13012/04 - 12/07Frontier Airlines
TampaTPAtoChicagoORD$13701/15 - 01/18Spirit Airlines
OaklandOAKtoChicagoORD$14712/05 - 12/08Spirit Airlines
OrlandoMCOtoChicagoORD$16512/26 - 01/05Frontier Airlines

Cheap Roundtrip Fares to Chicago from:(per person, including taxes and fees)

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Cheap Flights to Illinois