September: Houston - Chicago (with return) from $70 with Spirit Airlines
September: Boston - Chicago (with return) from $67 with Spirit Airlines
August: Boston - Chicago (with return) from $119 with Spirit Airlines
August: New York - Chicago (with return) from $103 with Spirit Airlines
August: Los Angeles - Chicago (with return) from $253 with Spirit Airlines
May: Charlotte - Chicago (with return) from $179 with Spirit Airlines
May: Fort Lauderdale - Chicago (with return) from $227 with Spirit Airlines
May: Atlanta - Chicago (with return) from $253 with Spirit Airlines