Although there are some guidelines to follow, the answer to the question Is perfume allowed on WestJet Airlines? is yes. When packing perfume in hand luggage, one must adhere to the liquid restrictions set forth by the Canadian Air Transport Security Authority (CATSA). Perfume and any other liquid containers must fit into a single, transparent, resealable plastic bag that is no more than 100 milliliters (3.4 ounces) in volume.