Costco is the go-to place for great prices on quality items, but that deal gets even sweeter during its Memorial Day Sale. Kicking off in mid-May and lasting for around three weeks, between early to mid-June, the sale applies to several categories, including household appliances, BBQ supplies, summer essentials, food, and mattresses. While the warehouse may not be open on the holiday, check out our guide to all the best Memorial Day Deals at Costco now.
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Appliance Deals
Need a new washer? Get access to high-quality appliances from LG, Samsung, and Whirlpool at Costco for way less through its Memorial Day Deals. Plus, you can stack the savings with multiple appliance purchases through Costco Direct. For instance, you can buy two items and save $150, all the way up to buying 5 or more items and saving $600.
Treat yourself to a long-lasting appliance this summer season with Costco’s sales, where select Whirlpool appliances can be $230-$1,100 off, select Samsung appliances can be $100-$1,200 off, and select LG appliances can be $250-$750 off. Featured items to check out include the Whirlpool Top Control Dishwasher, the Samsung 4-Door Refrigerator, and the LG Top Load Washer.
Related: 15 Costco Appliances to Buy for the Deal
BBQ Deals
Take advantage of the warmer weather with Costco’s wide selection of BBQ deals, from the food to the tools you need to cook delicious burgers. Instant Savings deals can get shoppers up to 30% off regular prices, making those BBQ parties that much tastier.
Costco’s BBQ Memorial Day Deals aren’t just concentrated on food items. While you can stock up on sauces like Kinder’s Honey Hot Barbecue Sauce, Primal Kitchen Steak Sauce, or meats like Nathan’s Famous Beef Franks or Columbus Seasoned Turkey Burgers, there are also non-food BBQ items on sale. These include Dixie Paper Plates, Reynolds Wrap Aluminum Foil, and grills.
Summer Essentials Deals
Summer isn’t just about BBQ, and Costco has you covered with all the Summer essentials you need to have fun in the sun. Some of these items can be up to 30% off with Instant Savings, and you can keep that extra money in your pocket for vacations.
Summer essentials cover a wide range of items, from refreshing beverages like LaCroix Sparkling Water to protecting your skin with Sun Bum Sunscreen. Or, head off on a hike and stock up on hiking essentials like OFF! Bug Spray or Rx Protein Bars for energy until the sun goes down.
Check Out: 10 Costco Beach Essentials for the Perfect Summer
Mattress Deals
Similar to appliances, mattresses are a great big-ticket item that goes on sale at Costco during Memorial Day. These items can include sectionals, air mattresses, and foam mattresses, and can help save you around 20% off the regular price.
Mattress deals can appear online or in-store. For instance, you can get the Casper Memory Foam Mattress for 25% off in the warehouse. Online, shoppers have more options, such as the Zakary 6-piece Sectional, the Sealy Hybrid Mattress, the PurpleRenew Gel Grid Mattress, or the Beautyrest Medium Mattress.
Also Read: What Is the Best Costco Mattress You Can Buy?
How Long is Costco’s Memorial Day Sale?
Costco’s Memorial Day Deals last for around three weeks, providing additional savings on select items. This event happens annually, and some of these deals are different than the ones advertised in the May Costco Coupon Book.
While Costco may be closed on Memorial Day, the sale lasts long enough to grab all the best deals. This year’s Costco Memorial Day Sale started on May 15th, 2025, and will end around June 5th. Always pay attention to deal lengths, as some might end earlier than others.
Tips for Shopping Memorial Day Deals
Even seasoned Costco shoppers may miss out on some deals. With these tips, you can optimize your savings for all the best items Costco has to offer. Keep reading to explore tips and tricks to maximize the Memorial Day Sale.
Check Out: Unveiling the Best Costco Discounts: Your Ultimate Guide to Saving Big
Shop Online
While the warehouse is a treasure trove of sales stickers, you can often find exclusive online-only discounts on Costco.com during the Memorial Day Sale. These items can include kitchen and household appliances, mattresses, or other higher-priced items. Many of these items also ship for free for even more savings.
Read More: 8 Best Costco Frozen Desserts That You Need to Try
Utilize Costco’s Price Adjustment Policy
Using Costco’s Price Adjustment Policy, if you purchase an item from the warehouse and it goes on sale within 30 days, you can request a price adjustment and get the difference refunded. For some of those higher-priced items, this may be a great way to save even more, no matter if you shop before or after a sale.
Don’t forget to keep checking back here at Costco97 for information on the best deals and hidden sales like .97 discounts. We talk about the best Costco bargains, secret hacks, and everything there is to know about the wholesaler and being a part of their membership. And be sure to stay in touch with the upcoming coupons, listed in our Costco Coupon Book (updated monthly).