What is actually worth buying at Montreal Airport.

Duty-free shopping at Montreal-Trudeau offers tax and duty savings, but not all items are worth buying.
Alcoholic beverages: Significant savings on liquor, wine, and spirits. Cigarettes: Substantial tax savings (if you smoke). Perfume: 15-30% savings on designer fragrances. Electronics: Modest discounts on some items.
Regular grocery items: No savings despite duty-free status. Fast fashion: Similar prices to regular retail. Airport-specific merchandise: Marked up significantly. Branded items marked "duty free" only at airports.
Canadian duty-free is limited compared to other countries due to NAFTA. Average savings on alcohol: 20-25%. Average savings on perfume: 15-25%. Limited savings on most other items.
Compare prices to downtown stores using your phone. Calculate total savings after currency conversion for international shopping. Don't buy just because it's duty-free. Check expiration dates on perishables.
Limited to duty-free quantities. Liquid restrictions apply (must be in sealed duty-free bags). Some items restricted for checked vs. carry-on luggage. International customs limits apply.
Designer perfumes from Estée Lauder, Chanel, and Dior. Scotch and Irish whiskey. Quebec-made products like maple syrup in decorative bottles. Canadian souvenir items.