March: Las Vegas - Chicago (with return) from $183 with Spirit Airlines
February: Dallas - Chicago (with return) from $95 with Spirit Airlines
February: San Diego - Chicago (with return) from $171 with Spirit Airlines
February: Los Angeles - Chicago (with return) from $145 with Spirit Airlines
February: Las Vegas - Chicago (with return) from $99 with Spirit Airlines
January: Dallas - Chicago (with return) from $121 with Spirit Airlines
January: San Diego - Chicago (with return) from $135 with Spirit Airlines