13 Best Deals in the Costco September-October Coupon Book

It's every Costco member's favorite time of the month. October's coupon book just hit mailboxes, and it's filled with some unbeatable finds that you just don't want to miss.

Many consumers are switching to wholesale membership clubs to weather the rising cost of food and necessities. And these Costco membership perks, combined with the warehouse's additional coupon discounts every month, help shoppers make the most of their budget.

Read on to see our favorite coupon book deals, valid Sept. 22 through Oct. 19.

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

Price: $11.77 (on sale from $15.77)

Two frozen pizzas for under $12 is a great deal, no matter how you slice it, but considering that cauliflower crust is often priced at a premium, this is an even better buy.

Milton's is available exclusively from Costco, and if you haven't tried this veggie-filled find yet, Redditors suggest keeping an eye out for the samples that often go along with sales.

Price: $23.99 (on sale from $29.99)

Those with sensitive skin often stock up on CeraVe moisturizer because of its formula, which is fragrance-free, paraben-free, oil-free, allergy tested, and non-comedogenic.

A single 16-ounce jar from Ulta Beauty costs $20.99, making the deal on two of them from Costco well worth it.

Price: $17.99 (on sale from $19.99)

Duracell is a leading name in batteries, with a 12-year storage guarantee that ensures they'll work whenever you need them. This month with the coupon book, you'll save $2 on both AA and AAA options.

A 24-pack from Amazon is regularly priced at $24.49. But opt for Costco, and you'll get 40 batteries for an even lower price.

Price: $9.69 (on sale from $12.39)

We all want to stay hydrated, but plain water can get boring. That's when Waterloo's sparkling water comes in. Costco's variety pack comes with eight each of lemon-lime, raspberry nectarine, and blackberry lemonade for a total of 24 cans.

Similar variety packs on Amazon cost over $30, so Costco has a better deal, even when Waterloo Sparkling Water isn't on sale.

Price: $20.49 (on sale from $24.99)

Not only is Tylenol Extra Strength on sale at Costco, but you can also snag Rapid Release, Arthritis Pain, and PM with a $4.50 coupon. That means it's a great time to restock your medicine cabinet and first aid kit.

Target offers a similarly priced option for $20.99, but you'll get 100 fewer tablets.

Price: $25.19 (on sale from $31.99)

Forget that "fun-size" nonsense and stock up on full-size chocolate bars. This variety pack features seven Hershey's Milk Chocolate bars and seven with almonds, along with six Kit-Kats, and 10 Reese's Peanut Butter Cups.

The neighborhood kids will love them for Trick-or-Treat, but it's also great for those with a sweet tooth. Even buying directly from Hershey regularly costs $34.99, so Costco has a great deal this month.

Price: $24.59 (on sale from $29.99)

The age-old laundry debate between Tide Pods and liquid detergent shows no signs of stopping, but the great news is that both are discounted at Costco. 

If you love the quick, clean convenience of Pods, you can get a 104-count container with a $5.40-off coupon. Buying from Target only gets shoppers 57 pacs, and costs almost the same amount at $19.99. That means you'll pay 35 cents for each Tide Pod, versus 23 cents at Costco.

Price: $16.99 (on sale from $21.99)

Nautica might call them "lounge pants," but they are perfect pajamas for the autumn, regardless of gender. Plus, they have pockets!

Each pack includes two pairs of pants, available in two plaid options: black and red.

Price: $129.99 (on sale from $169.99)

With over 500 five-star reviews, this $40-off deal is one you won't want to pass up. According to the manufacturer, a Sonicare toothbrush makes gums 15 times healthier in just two weeks.

Customers are raving about this deal too, with one Redditor sharing that "My wife works for a dental office and everybody says Sonicare is the way to go. Definitely recommend."

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Price: $17.49 (on sale from $21.99)

Get some salty to go with that sweet. Each bag is 1.38 ounces and includes six bags each of sea salt, sea salt and vinegar, smokehouse BBQ, and 12 bags of jalapeño.

These are great for Halloween treats, or just as personal snacks when you need something to tide you over between meals. Buying the same pack from Amazon costs $28.49.

Price: $99.99 (on sale from $129.99)

Once you go HEPA air filter, you never go back. Between wildfires, pandemics, and everyday allergens, it's become a necessity to have a home air filter.

This model can clean rooms up to 1,840 square feet in one hour, and the HEPA brand filter captures up to 99.99% of airborne yucks nobody wants in their lungs.

Buying directly from Winix would set your wallet back $249.99, making Costco's $30 coupon quite a good deal.

Price: $27.39 (on sale from $32.99)

Bounty paper towels are known as "the quicker picker upper" for their thicker, softer, more absorbent double ply construction — but it comes at a steep price that can leave customers settling for less expensive brands.

At least until Costco runs a sale, and then you can see the 12-packs in nearly every cart. This month, snag them for under $30.

Price: $9.99 (on sale from $15.99)

Soup season is here. Stock up your pantry with a classic chicken noodle soup for just $1.25 per can with this Costco savings deal.

Made with 100% White Meat Chicken and no antibiotics, reviews indicate it's similar to the Homestyle line and offers higher-quality ingredients.

Shopping at Costco and taking advantage of their monthly coupon book can help families tackle high grocery costs, but the big box retailer has made some policy changes lately that members should be aware of.

The first is extended shopping hours for those with Executive-level memberships, who can now enjoy shopping an hour earlier than lower-level members. Additionally, many shoppers have reported that free samples are no longer available to children without adult supervision.