Cheap flights to Rocky Mountain National Park from Chicago

Round trips from Chicago from $155. Fly into Denver (DEN). Cheapest dates, deal ratings and where to book.

• Denver: $155, 2026-11-06 to 2026-11-08
• Denver: $167, 2026-10-28 to 2026-10-31
• Denver: $257, 2026-11-26 to 2026-11-29
• Denver: $291, 2026-11-29 to 2026-12-06
• Denver: $315, 2026-10-19 to 2026-10-19

Nearby

• Black Canyon of the Gunnison
• Great Sand Dunes
• Arches
• Wind Cave
• Mesa Verde
• Canyonlands
• Badlands
• Capitol Reef