Have you considered the Epic Pass?
If you're planning on skiing/snowboarding more than 6 days or you are thinking about visiting the resort more than once this season you should consider the Epic Pass. The Epic Pass is the absolute best value on the market! With the Epic Pass you'll have UNLIMITED, UNRESTRICTED access to Keystone, Breckenridge, Vail, Beaver Creek, Heavenly and Arapahoe Basin all season long.
Learn more about the Epic Pass