MONTHS SUMMER: Chicago to Denver, Colorado (& vice versa) for only $159 roundtrip Jul 9, 2026 FLIGHT DETAILS & AIRLINE
MONTHS SUMMER: Chicago to Phoenix, Arizona (& vice versa) for only $177 roundtrip Jul 8, 2026 FLIGHT DETAILS & AIRLINE
MONTHS SUMMER: New York to Chicago (& vice versa) for only $128 roundtrip Jul 7, 2026 FLIGHT DETAILS & AIRLINE
MONTHS SUMMER: Boston to Chicago (& vice versa) for only $149 roundtrip Jul 5, 2026 FLIGHT DETAILS & AIRLINE