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Each month Costco comes out with a coupon book that has tons of great deals that are only available for a limited time. Here are the March 2026 top Costco deals that I found while walking through the store.
March 2026 Top Costco Deals Thru 3/29
32 Degrees Women’s Stretch Twill Pant, $12.99
Jockey Women’s Yoga Pant, $10.99
Burt’s Bees Kids’ 4 pc Pajama Set, $13.99
Jockey Women’s Yoga Jacket, $12.99
Banana Republic Men’s Stretch Chino Short, $12.99
Gerry Men’s Tech Short, $9.99
Banana Republic Men’s Commuter Pant, $15.99
Bocce’s Bakery Bac’n Nutty Treats 32 oz, $10.99
Same amount for $31.45 on Amazon
Toro Bully Hide Chews 12 ct, $20.49
Same amount for $37.97 on Amazon
Dog Delights Chewy Lamb Sticks 2.75 lb, $12.49
Same amount for $30.43 on Amazon
Kirkland Signature Chicken Jerky Treat 48 oz, $13.99
Duracell Power Boost Batteries 40 ct, $18.99
Almost twice as expensive on Amazon
Swiffer Sweeper Wet Cloth Refill 54 ct, $15.49
20 ct for $9.99 on Amazon
Tide HE Original Scent Liquid 170 oz, $19.99
Swiffer Duster 1 handle + 17 ct refill, $14.59
Duster w/3 refills for $9.99 on Amazon
Finish Jet Dry Ultra Rinse Aid 38 oz, $8.99
32 oz bottle on Amazon for $13.32
Tide Powder Detergent 143 loads, $24.99
73 loads for $19.97 on Amazon
Scotch-Brite Heavy Duty Sponge 24 ct, $10.99
9 pack for $8.72 on Amazon
Clorox Toilet Wand wand + 36 refills, $13.99
Wand with 16 refills for $24.10 on Amazon
Clorox Clean-Up 32 oz + 180 oz, $12.69
32 oz x 3 pack for $16.56 on Amazon
Miracle Gro Organic Choice In-ground and Raised Bed Soil 50 qt, $7.99
FoodSaver Variety Pack Rolls and Bags (5 rolls and 36 bags), $23.99
Smaller variety pack on Amazon
Oral-B iO Brush Heads Deep Clean 9 pk, $43.99
4 for $35.85 on Amazon
Dulcolax Tablets 200 ct, $17.99
100 ct for $17.98 on Amazon
EOS Lip Balm 9 ct, $11.99
9 for $25.99 on Amazon
Natrol Melatonin 5 mg Tablets 250 ct, $8.99
Kirkland Signature Vitamin C 1000mg w/Rose Hips 500 ct, $11.99
Nasacort Allergy 4 x 120 sprays, $28.99
240 sprays for $29.95 on Amazon
Children’s Benadryl 2 x 8 oz, $10.99
Kirkland Signature Aller-flo Nasal Spray 5 x 144 sprays, $15.99
Vitafusion Men’s and Women’s Gummies 220 ct. $9.89
120 ct for $9.99 on Amazon
Kerrygold Dubliner Imported Irish Cheese, $7.59 per lb
Milton’s Cauliflower Crust Veggie Pizza 2 ct, $9.99
Snapdragon Foods Vietnamese Pho Bowls 9 ct, $8.89
Classico Organic Pasta Sauce 3 x 32 oz, $8.79
VitaCoco Coconut Water 18 x 11.1 oz, $15.99
Main Street Bistro Scalloped Potatoes 40 oz, $4.99
Kevin’s Korean BBQ Steak Tips, $14.79
Premier Protein Shake 11 oz 18 pk, $23.99
Taster’s Choice Instant Coffee 14 oz, $15.49
Tyson Foods Panko-Breaded Chicken Tenders 5 lb, $13.99
Cuisine Adventures Buffalo Chicken Bites 27.1 oz, $8.99
Annie’s Organic Cinnamon Rolls 3 x 17.5 oz, $10.99
Poppi Juicy Variety Pack 18 x 12 oz cans, $16.49
Chobani Nonfat Greek Yogurt 20 ct, $11.29
