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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$7309/09 - 09/09Spirit Airlines
Kansas CityMCItoChicagoORD$7908/30 - 09/02Spirit Airlines
ClevelandCLEtoChicagoORD$9510/09 - 10/12Frontier Airlines
Washington, DCIADtoChicagoORD$10509/15 - 09/19Frontier Airlines
ChicagoORDtoDecaturDEC$12208/14 - 08/19Air Choice One
DenverDENtoChicagoORD$12509/03 - 09/09Spirit Airlines
AtlantaATLtoChicagoORD$12510/21 - 10/24Frontier Airlines
TrentonTTNtoChicagoMDW$12510/06 - 10/20Frontier Airlines
BostonBOStoChicagoORD$15509/06 - 09/09Spirit Airlines
DallasDFWtoChicagoORD$15509/17 - 09/20Spirit Airlines
HoustonIAHtoChicagoORD$16309/03 - 09/06Spirit Airlines
ColumbusCMHtoChicagoORD$16509/06 - 09/20American Airlines

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

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Cheap Flights to Illinois