Destination Resorts Vail cuts up to 25% off stays of three nights or more at select resorts in Vail, CO, as part of its Countdown to Summer Sale, as provided by ShermansTravel. This sale includes a collection of 1-. 2-, and 3-bedroom condos. Additional fees and blackout dates apply. Book this travel deal by March 31 for stays from May 25 through August 8.