Updated on June 9th, 2020
2021年2月28日前，Air Canada Altitude 25k有新的优惠码。每个人都有自己专属的优惠码，去直达网页：https://altitude.aircanada.com/查询。（多谢网友熊猫提供资料）
其中，通过Online pre-order discount for Air Canada Duty-Free Boutique，可以买香水或者酒等商品，满$100减$25，相当于75折，另外再送500 Aeroplan。可转送到家里。注意，似乎只有在近期有国际航班机票的情况下，才能下订单。加航网店是：https://acdutyfree.com/
*You must have an upcoming International eligible flight with Air Canada in Order to Pre-order duty free.
Air Canada is pleased to offer you a one-time Duty Free pre-order discount of CAD$25 off purchases of CAD$100 or more, plus 500 Bonus Aeroplan Miles for your next eligible international flight operated by Air Canada. To apply your discount, preorder your next duty-free items at https://acdutyfree.com/ and enter the promotional code on the payment confirmation page. To earn the Bonus Aeroplan Miles, provide your Aeroplan Number while placing your order as the miles cannot be retroactively credited. Due to time constraints and/or space limitations, duty free shopping is not offered on all flights, and some articles may not always be available. Duty Free pre-orders must be made at least 96 hours prior to departure. Your purchase will be delivered directly to you at your seat during your flight.
Only applicable on eligible international flights operated by Air Canada. Cannot be used for flights operated by Air Canada Rouge or Air Canada Express. More details about Duty Free pre-order can be found at https://acdutyfree.com/howtoorder