15 Random (But Wonderful) Costco Kirkland Signature Deals Under $20 This Month

If you're an avid Costco shopper, you know the quality of Kirkland Signature, a beloved brand first introduced three decades ago. The brand now accounts for one-third of Costco's annual sales, driven by low prices and high quality.

There are many go-to products that shoppers know and love. From olive oil to Costco's signature butter croissants, these are repeat buys. However, once in a while, you come across a one-off deal you can't resist, much like these 15 under-the-radar must-haves.

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

Price: $18.39

A must for nut and seed lovers, these shelled pistachios are roasted and salted, ready to eat. At 1.5 pounds per bag, this product is a great price, especially since shoppers agree that the quality is excellent.

This Kirkland deal has over 2,270 reviews and a 4.8-star rating.

Price: $7.59

To close out summer, lemonade is a great pick, especially as the heat continues to linger. At less than $4 per 96-ounce container, it's a great value buy.

After 1,710+ reviews, this product has a rating of 4.7, with shoppers saying it offers the perfect balance of sweet and tart. The same-sized containers cost $9.99 at BJ's.

Price: $19.99

While this super premium dog food just made the under-$20 cut, the 5,000+ online reviewers agree it's worthy of the list. The formula includes prebiotic and probiotic fiber and omega-3 fatty acids. Chicken is the number one ingredient.

One reviewer said, "After looking around online for the best, most affordable food for our pup, Kirkland won by a landslide."

Price: $14.49

Soap bars are the type of item you can stock up on, especially when they are of exceptional quality for less than a dollar each. These moisturizing bars are made with shea and cocoa butter.

One shopper purchased these bars as an alternative to Dove and said, "Got it for the price and will continue to buy it for the quality." At Walmart, 16 bars of Dove will cost you around $25.

Price: $16.99

These bars offer 10 grams of protein, as well as 21% of your recommended daily fiber and 8% of your daily iron per serving. At just 40 cents per bar, that's a steal in terms of a nutritional boost. Plus, they taste great.

Special K protein bars at Walmart provide 12 grams of protein but are higher in sugar. They're also just under $1 per bar.

Price: $13.69

This California superfine almond flour comes in a three-pound bag, which works out to $4.56 per pound. A similar product elsewhere is over $20 for a two-pound bag.

Shoppers give this flour a 4.9-star rating, saying that it tastes great and is easy to work with. In each serving, there is no added sugar, three grams of fiber, and seven grams of protein.

Price: $15.99

With so many gadgets and devices running on AA batteries, it's a smart idea to keep a big supply handy at home. This 48-count pack comes out to just about 33 cents per battery, making it quite the bargain.

This is even more the case when looking at a name-brand competitor, selling a 40-count pack of AA batteries for $19.99 at Costco.

Price: $14.99

These heavy-duty plastic plates look fantastic and are more durable than paper, making them a good fit when you want an elegant but easy-to-clean table spread. Shoppers love them, saying guests always comment on them and that they are well worth the price.

You get 25 7-½ inch and 25 10-¼ inch plates per package.

Price: $3.99

Salt is an essential nutrient, and when consumed in moderation, it helps balance body fluids while supporting optimal muscle and nerve health. To season your favorite dishes or to use in baking, you can't beat this 30-ounce container of fine-grain sea salt.

A popular choice at Walmart is $2.97, but it only comes in a smaller pack.

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Price: $15.99 (on sale from $18.99)

This natural product boasts over 3,200 reviews online, with many shoppers declaring it their go-to daily fiber supplement. It is grit-free, dissolving quickly in water — some people add it to their tea.

You get 26.8 ounces per container, providing the same fiber that's in Benefiber. This brand-name alternative is available for over $22 at Walmart, containing just 17.6 ounces.

Price: $14.99

Delectably rich and sweet, this 33.8-ounce jug of 100% pure grade A maple syrup deserves a prime spot at your kitchen table. With over 5,400 reviews and a 4.9-star rating online, shoppers note the great taste and value of this maple syrup.

Walmart's Great Value brand sells a 12.5-ounce jar of 100% pure grade A maple syrup for $7.98, which just goes to show how great a deal Costco is offering.

Price: $4.79

If you want a quick and easy way to add some heat and flavor to dishes, it's tough to beat a 10-ounce container of crushed pepper flakes for less than $5. Shoppers say that there is no comparison when you buy a generic brand — Kirkland Signature's flakes have a lot more flavor.

Cooking enthusiasts will appreciate the option to sprinkle and the larger opening for scooping. Walmart's version is 12 ounces but costs $7.14.

Price: $9.99

It's tough to beat 90 ounces of dish soap with four times the grease-cutting power for just 11 cents per ounce. Similar soap at Walmart is just under 30 cents per ounce.

Shoppers say a little goes a long way and that it cuts through grease and baked-on food. It's just as good as brand-name alternatives, with one shopper sharing, "I don't see any difference in this and the name brand. Plus you save a little money buying Kirkland soap!"

Price: $12.99

Apple pouches aren't just for little ones. In fact, most of the 2,300+ reviews are adults saying they appreciate this no-sugar-added on-the-go snack. "Perfect healthy snack with clean ingredients. Size is ideal for travel or hiking. Perfect for kids and adults."

Each box includes 24 pouches, working out to 54 cents each.

Price: $11.99

Trying to find a way to increase your fiber intake? These California-grown dried plums yield three grams of fiber per 1.5-ounce serving and zero fat.

Over 3,600 reviews have given this product a 4.8-star rating. A 1.5-pound bag of dried plums at Walmart is $9.12, compared to $12 for this 3.5-pound bag.

Kirkland Signature is already known for its superior value and quality — it's what the brand is built on. 

Start choosing Kirkland Signature products for all your everyday products to see instant savings. Costco specifically prices its Kirkland Signature products to be at least 20% cheaper than its brand-name competitors.

To save more, check out Costco's Surprising Ways to Save page and use the top recommended credit cards accepted at Costco based on their reward rates.