Learn about the latest Costco Weekly Ad, valid May 11 – May 17, 2026. Save with the online circular regularly for exclusive promotions that add more discounts to in-store deals. Add some sparkle to your weekly plans, and get the biggest savings on Hisense 6000 BTU Portable Air Conditioner, Cuisinart Extra-Large 26L 10-in-1 Digital Air Fryer Oven, Aiden & Ivy Furniture Hartley 6-piece Fabric Modular Sectional, Mario Serrani Women’s Pull-On Capri, La-Z-Boy Air Lumbar Manager Office Chair, etc. Seize the chance of purchasing with great discounts before things sold out.
View Costco’s weekly sales & promotions, and find amazing savings on apparels, sheets & bedding, electronics, backpacks, fitness & exercise items, jewelry, storage items, cookware, plant, glassware, lightening, luggage, toys, fire pit, and more.
