12 Amazing Food and Drink Deals in the Costco September-October Coupon Book

We all know that Costco offers great deals year-round, but one of the best Costco hacks is to watch your mailbox for their coupon book each month. The booklet contains tons of deals for even more savings.​

Customers are already raving about the food items on sale this month. Here are 12 of the best food and drink deals in the Costco September-October coupon book that you won't want to miss out on. All sales are valid Sept. 22 through Oct. 19.

Editor's note: Prices and availability are subject to change and may vary by location.

Price: $11.51 (on sale from $15.31)

General Mill's Morning Summit Lightly Sweetened Maple Berry Blend Cereal is a delicious morning treat, and this month, you can get 38 ounces for under $12 with the coupon book.

The same box of cereal is on sale at Walmart for $24.70, making Costco's deal a no-brainer.

Price: $9.69 (on sale from $12.39)

Sparkling water is a treat when you're looking for healthy drink options, and you can save on a 24-count variety pack using Costco's coupon book. It comes with eight each of lemon-lime, raspberry nectarine, and blackberry lemonade.

Price: $12.04 (on sale from $15.54)

These chicken and vegetable steamed dumplings come in six individually wrapped trays, with six dumplings in each tray. It also comes with six dipping packets, making it a delicious and affordable dinner that's ready in just two minutes.

For reference, you'll pay $4.39 at Kroger for only six ounces (73 cents an ounce). Costco's deal gets you 30 cents per ounce with this month's coupon.​

Price: $21.99 (on sale from $26.99)

A 12-pack of Nurri 30g Protein Shakes is the perfect addition to your diet. Each 11-ounce can contains one gram of sugar and only 150 calories, and you can choose from chocolate, vanilla, or strawberry.

The same item at Walmart costs $35.48, so consider stocking up at Costco.

Price: $12.99 (on sale from $16.99)

If you're looking for a kosher, gluten-free, dairy-free, non-GMO, trans fat free snack, Skinny Pop is it. And with Costco's booklet, you can save $4 on a 28-count box.

This product has over 2,000 five-star reviews, with one customer sharing, "love the convenience of the small 100 cal snack bags as a means of control."

Price: $13.99 (on sale from $18.99)

​This 30-count of Nature Valley Peanut Butter Dark Chocolate Protein Chewy Bars has 10 grams of protein in each bar, contains 190 calories per bar, and is gluten-free. With the same box costing $25.99 from Walmart, Costco is the clear winner when it comes to savings.

Price: $15.39 (on sale from $19.69)

After a $4.30 coupon, the Lindt Lindor Assorted Chocolate Truffles are a deal you won't want to miss. It comes with an assortment of five flavors, including milk chocolate, dark chocolate, white chocolate, caramel, and extra dark chocolate. Even at Walmart, the same bag costs $32.99, so grab as many as you can at Costco.

Price: $17.49 (on sale from $21.99)

Shopping for snack time? A 30-count variety pack of Miss Vickie's Kettle Cooked Potato Chips is only $17.49 after a $4.50 off coupon this month. It comes with six each of Sea Salt, Sea Salt and Vinegar, Smokehouse BBQ, and 12 bags of Jalapeno chips. A pack of only 16 Miss Vickie's chips costs $25.80 at Walmart, making Costco the smart option.

Price: $9.99 (on sale from $15.99)

Soup season will be here before you know it, and Costco's $6 coupon makes it easy to be prepared. Made with white meat chicken and chicken bone broth, an eight-pack of Campbell's Simply Chicken Noodle Soup is worth buying, especially for under $10.

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Price: $24.99 (on sale from $32.99)

The Liquid I.V. 30-count variety pack is the perfect option for stocking up, as you can carry them in your bag, car, or store them in your pantry. They're a perfect grab-and-go drink flavor to help boost your hydration, and each resealable pouch comes with 15 lemon-lime and 15 strawberry flavors.

Price: $14.06 (on sale from $19.06)

After a $5 coupon, Rao's Eggplant Parmesan only costs $7.03 per tray, plenty for two dinners. It contains no preservatives or artificial flavors, and you can cook it in the oven or microwave, making it easy, no matter how much time you have.

Price: $11.88 (on sale from $15.88)

After a $4-off coupon, Costco's two-count of Milton's Cauliflower Crust Roasted Vegetable Pizza is under $12, making each one just $5.94.

It's a Reddit fan-favorite, with a thread of shoppers raving about this deal. As one shares, "The crust is so extremely crunchy, and even though it says it's a cauliflower crust, it tastes just like bread dough, akin to maybe rice flour. The cheese is super melty, and the roasted veggies are amazing."

The September-October coupon book has tons of amazing food deals, so you can save money on groceries and stretch your budget further. You'll want to check out the rest of the booklet, too, as there are also sales on everything from personal care items to tech.

But the coupon book isn't the only way to save at Costco. You can also use one of the best cash back credit cards to save more on everyday essentials.