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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
MinneapolisMSPtoChicagoORD$7401/08 - 01/08Spirit Airlines
Kansas CityMCItoChicagoORD$8110/30 - 11/01Spirit Airlines
Salt Lake CitySLCtoChicagoORD$9711/08 - 11/11Frontier Airlines
DallasDFWtoChicagoORD$9910/31 - 11/03Spirit Airlines
AtlantaATLtoChicagoORD$10501/09 - 01/11Frontier Airlines
Washington, DCIADtoChicagoORD$10512/13 - 12/17Frontier Airlines
HoustonIAHtoChicagoORD$11510/31 - 11/04Spirit Airlines
BaltimoreBWItoChicagoORD$11710/31 - 11/04Spirit Airlines
BostonBOStoChicagoORD$11910/31 - 11/01Spirit Airlines
TrentonTTNtoChicagoMDW$12511/11 - 11/12Frontier Airlines
DenverDENtoChicagoORD$13701/16 - 01/19Spirit Airlines
PhoenixPHXtoChicagoORD$14711/06 - 11/08Spirit Airlines

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

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Cheap Flights to Illinois