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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
Washington, DCIADtoChicagoORD$5301/14 - 01/14Frontier Airlines
Kansas CityMCItoChicagoORD$8112/09 - 12/10Spirit Airlines
MinneapolisMSPtoChicagoORD$8112/03 - 12/04Spirit Airlines
DallasDFWtoChicagoORD$9701/07 - 01/10American Airlines
AtlantaATLtoChicagoORD$10501/17 - 01/20Frontier Airlines
DenverDENtoChicagoORD$11712/13 - 12/16Spirit Airlines
DecaturDECtoChicagoORD$12212/13 - 12/15Air Choice One
BaltimoreBWItoChicagoORD$13712/11 - 12/15Spirit Airlines
HoustonIAHtoChicagoORD$14512/04 - 12/06Spirit Airlines
TrentonTTNtoChicagoMDW$14501/09 - 01/12Frontier Airlines
New YorkLGAtoChicagoORD$14712/02 - 12/06Spirit Airlines
OaklandOAKtoChicagoORD$14712/04 - 12/08Spirit Airlines

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

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Cheap Flights to Illinois