From now until the end of April, travel with 4 people and the 4th person stays and skis free. Stay at Banff Caribou Lodge or Ptarmigan Inn, Banff's favorite ski hotels for only $315 per person. Based on 4 nights lodging, 3 day tri-area lift tickets and round trip airport transfers. 2 people sharing in 2 rooms (quad occupancy pricing also available).

Valid for 4 night, 3 day ski minimum, for new bookings only. Based on availablity and subject to 7% gst.

http://www.skibig3.com/snowreport/default.cfm