Guests can book on-line at Brewster Travel Canada or by calling our toll-free line at 1-866-606-6700. In order to get the 15% discount on-line, they need to enter the following under the promo code when they “check out”: BANFFPATHOLOGY. If they are calling in and speaking to one of our agents, they also need to identify themselves as being with BANFFPATHOLOGY in order to get the 15% discount. The promo code is valid from May 18, 2017 to September 4, 2017. Take advantage of the convenient daily departure schedule and Brewster Airport Desk conveniently located in both the International and Domestic terminals at Calgary Airport. Please make sure that the promo code is used in all capital letters.