A brand new set of coupons for this weeks Costco Weekly Insider Deals starts tomorrow March 23rd. This weeks Costco coupons run from March 23rd through March 29th, although many have longer expiration dates, such as April 5th. The March 2026 Costco Coupon Book is also still valid through March 29th as well. If you want to get notified as soon as we release the upcoming Costco April 2026 Coupon Book then make sure to sign up for our email list, follow us on Instagram and Like us on Facebook!

This week is a little shorter on deals than previous weeks. There’s only 16 deals in total. Also, there’s only one new item this week – the Kirkland Signature Variety Pastry Tray. They’ve had other similar dessert trays such as the recent one with blondie bars and brownie bars. We’ll definitely have to stock up on the Wonderful Pistachios Salt and Pepper flavor for $4.30 off. They are the best tasting pistachios we’ve ever had.

Some of these items are available online for a delivered price and some are not available in all locations. Prices may vary by location in Alaska, Hawaii, Puerto Rico, and online. What do you think of this weeks deals? Leave a comment and let us know!

Here’s a few of the deals in the Costco March 23rd 2026 Weekly Insider Deals:

• Wonderful Pistachios, Salt and Pepper, 3 lbs $4.30 off
• Kirkland Signature Tortellini Pasta Salad $6.49 per lb
• Flexon 5/8″ x 100′ Contractor Grade Hose with Guard and Grip $27.99 – $5 off = $22.99
• adidas Kids’ 3-Piece Short Set $19.99 – $5 off = $14.99
• adidas Youth Short, 2-Pack $19.99 – $6 off = $13.99
• Sugar Bowl Bakery, Petite Palmiers, 32 oz $3 off
• Sunny D, Tangy Original, 11.3 fl oz, 30-Count $5 off
• Starbucks Frappuccino, Mocha Chilled Coffee, 9.5 fl oz, 15-Count $4.40 off
• New Item – Kirkland Signature Variety Pastry Tray, 40-Count $28.99
• and more…