15 Under $15 Costco Deals To Grab This October

These 15 Costco products will give you extra bang for your buck without putting too much strain on your budget. Whether you're in the market for a new pillow protector, grocery staples, fall fashion, or skin care essentials, Costco has a deal for you.

The retailer is loved for its bulk bargains, high-quality items, and seasonal offerings, so you can stretch your grocery budget. Check out the items that have Costco shoppers raving this month.

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

Price: $13.99

Night sweats that leave your hair damp or your skin overheated may be a sign that your pillow is trapping heat. The Sealy Sterling Collection Cool Comfort Pillow Protector is designed to solve that problem with breathable, moisture-wicking fabric that draws heat and moisture away as you sleep. This keeps you cool and comfortable throughout the night while also protecting your pillow, keeping it fresh and lasting longer.

Price: $11.49

Fall has arrived, and allergy season is in full swing, bringing watery eyes, sore throats, and constant sneezing. While many relief options can be expensive, Costco provides a budget-friendly solution that does not compromise effectiveness. A 365-count bottle of Kirkland Signature Non-Drowsy AllerClear Antihistamine tablets is just $11.49, providing a full year of symptom relief at an unbeatable value.

Price: $9.97

These dishcloth sets feature both large and small sizes to take care of any spill. You'll save both the environment (and some money!) by making the switch to reusable dishcloths from paper towels, or use these to supplement your kitchen cleaning supplies.

Crafted with a cotton-blend, the towels are ultra-absorbent, quick drying, and best of all, machine washable. Two patterns are available, Lattice Bloom and Zen Serenity. Reviews on the Costco website call these extremely useful and versatile, long-lasting, and far more absorbent than paper towels.

Price: $9.97

Stay cozy during the colder months with this 100% polyester-filled reversible throw blanket. Its diamond-quilted texture adds interest and style, and its lightweight construction makes it perfect for layering and year-round use. It adds flair to any decor. Currently, it is available in four tones: green, gray, blue, and tan.

Price: $11.99

This month at Costco, Honey Nut Cheerios are a must-grab deal. Packaged in a two-count box, they're perfect for quick breakfasts or easy homemade snacks, such as breakfast bars and marshmallow treats. Customers consistently give them high ratings, praising not just the taste and quality, but also the unbeatable price (only 29 cents per serving).

Price: $14.97

As the weather gets colder, skin gets drier, so treat yours to these moisturizing cheek patches from Korean brand Mania Holic. They feature skin care staples such as niacinamide and soothing cucumber extract. Use them as part of your nighttime routine to thoroughly moisturize. According to Costco reviewers, the patches help soothe rosacea and feel great on the skin. Each jar contains 60 cheek patches, so you'll get 120 altogether.

Price: $14.99

Holiday season is coming up, which means photographs and parties galore! Make sure your smile is as bright as it can be with this natural toothpaste bundle, free of artificial flavors, sweeteners, or dyes.

The toothpaste works to remove tartar buildup and whiten teeth. As a bonus, Tom's of Maine is a Certified B Corp with an emphasis on natural products and a commitment to never test on animals.

Price: $9.97

This dermatologist-tested formula blends the power of Korean skin care with the blemish relief of hydrocolloid patches. It applies as a cream over your blemish and within minutes dries down, like a pimple patch, protecting your skin from makeup and dirt while also delivering active ingredients like niacinamide and tea tree oil.

Costco reviews say it's a great way to protect blemishes beneath makeup, especially for normal-to-dry skin types.

Price: $9.97

With many stadiums, arenas, and other venues now requiring clear bags, this crossbody from 32 Degrees has you covered. The strap is adjustable and removable for optimum comfort, and the inner pocket makes grabbing key items like phones or keys a breeze. Some of the over 70 Costco reviews say the bag is perfectly sized and great for events.

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Price: $10.99 (on sale from $13.99)

If you want to boost your intake of heart-healthy omega fatty acids, cold-water, oily fish are a top choice, and sardines are among the most versatile. Right now, Costco is featuring a six-pack of Season's Sardine Fillets in 100% Olive Oil for $10.99, marked down $3 from the usual price. Each 4.375-ounce can contains plenty of omega fatty acids, 22 grams of protein for muscle support, and calcium for stronger bones.

Price: $13.99

Maintaining proper bone health is crucial for preventing osteoporosis and slowing the progression of arthritis, especially as we age. These calcium tablets are packed full of 600mg of calcium, as well as vitamin D3, which helps your body absorb as much calcium as possible. Some of the reviews call the tablets both effective and easy to swallow.

Price: $14.99

This men's button-down flannel is the perfect layering piece for fall. Crafted of lightweight cotton blend, it comes in three different plaid patterns to choose from. This flannel has over 150 ratings on the Costco website, and reviewers praise its price, soft fabric, quality construction, and size range. Big & Tall sizing options are available.

Price: $9.97

Constructed from stretch-woven fabric, these pants from Kenneth Cole are both comfortable and stylish. You can dress them up for holiday parties or dress them down for casual family gatherings. The side pockets and back slit pocket are designed to keep your valuables safe on the go, while adding character to their slim fit. Customers especially like the quality of these pants and rave about the fabric and fit in the reviews.

Price: $12.99

For individuals with an active lifestyle, coconut water serves as a natural hydrator, replenishing electrolytes and supporting recovery. The potassium it provides may also help reduce muscle cramping, making it a smart choice before or after exercise. Costco's Kirkland Signature Organic Coconut Water includes 12 bottles that are perfectly sized for grab-and-go convenience.

Price: $13.99

Speaking of layering, these heat-trapping long-sleeve tees from 32 Degrees are great options for wearing beneath T-shirts, sweaters, or even alone. The four-way stretch material hugs the body and keeps your body heat close. Each set comes with two shirts.

Although these Costco products are already priced under $15, sales at your local warehouse could help you save even more on everyday essentials. Check the "Savings" tab online, plug in your ZIP code, and see what's on sale near you.

For more deals, head to the "This Week's Featured Items" tab, where you'll often find markdowns on higher-priced goods. And if you use your Costco Anywhere Visa, you'll save while also earning rewards.