Keystone Closing Date 2024 Dates. Kick off the season in october at keystone resort, with more resorts across the rockies and west opening soon after. Based on the current announcements, almost all of the ski areas will be open until around the end of march.

These dates are subject to change at vail ‘s discretion based on weather and snowfall. These dates are subject to change at breckenridge’s discretion based on weather and.