Costco Oat Milk – Kirkland Organic Non-Dairy Oat Beverage

Costco Oat milk has surged in popularity as an alternative to dairy milk in recent years. With its creamy texture and delightful taste, it has become a staple in many households.

costco oat milk

The Kirkland Signature Oat Milk at Costco has solidified its place as a top contender in this market, offering a non-dairy beverage that stands out among its competitors.

Costco Kirkland Signature Oat Milk

The Kirkland Signature Oat Milk available at Costco is more than just a milk substitute; it’s a statement of quality. Packed in cases of six, each container holds 32 ounces of this rich oat beverage.

Remarkably, it manages to be shelf-stable, organic, nut-free, and vegan, offering a versatile option for various consumers.

costco oat milk

Kirkland Signature Organic Non-Dairy Oat Beverage (32 oz, 6-count)

  • Item Number: 1272413
  • Online Store Price: $0.07 per ounce

Costco Oat Milk Beverage Features

  • Certifications: Kosher, Non-GMO, USDA Organic
  • Dietary Information: 100% Vegan
  • Package Quantity: 6 cartons

Costco Oat Milk beverage is crafted with delectable rolled oats, boasting a hearty 20g of rolled oats per serving. Each carton is 32 oz, ensuring you have a generous amount for your culinary needs.

Costco Oat Milk Specifications:

  • Brand: Kirkland Signature
  • Container Size: 1 Quart
  • Packaging: Carton
  • Form: Liquid
  • Quantity: 6 Cartons

For further details, reviews, and to make a purchase, you can click here to add to your shopping list or to explore shipping and return policies.

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Price of Oat Milk Costco

Cost-effectiveness is a hallmark of Costco products. The six-pack of this oat milk, amounting to 32 ounces each, is priced at $11.89. This translates to approximately $0.062 per ounce. 

Interestingly, when juxtaposed with Costco’s Almond Milk, the oat milk is roughly twice as pricey. However, compared to other brands like Califia Farms Oat Milk, Kirkland’s oat milk offers better value, being approximately 28% more cost-effective.

Costco Oat Milk Calories and Nutrition

costco oat milk
costco oat milk calories

Nutrition is often a major consideration when choosing milk alternatives. This oat milk caters to those allergic to dairy or nuts and aligns well with a vegan diet. A single cup serves:

  • Calories: 120
  • Fat: 5g (6% DV)
  • Cholesterol: 0 mg (0% DV)
  • Sodium: 95mg (5% DV)
  • Total Carbohydrates: 16g (6% DV)
  • Added Sugar: 7g
  • Protein: 3g

Furthermore, this oat milk is not just organic but also fortified with vitamins such as B2, B12, and D2. A point of confusion for some has been the 7 grams of added sugar per serving.

However, this isn’t from external sweeteners but arises from an enzymatic process that breaks down the oats’ starches into sugars. This natural process ensures creaminess without compromising authenticity.

For context, compared to a cup of low-fat cow’s milk, Kirkland oat milk has slightly more calories and fat but less protein. While it might not be as nutritionally lean as low-fat cow’s milk, it remains a commendable alternative for those avoiding dairy.

Costco Oat Milk Review

  1. “In every sip, you get a delicious, creamy texture. It’s become my go-to for coffee and breakfast cereals.”
  2. “For those veering away from dairy due to lactose intolerance or vegan preferences, this oat milk is a revelation. Its understated flavor enhances rather than detracts.”
  3. “While it leans on the more watery side compared to some other oat milks, its taste profile is authentically plant-based, making it an attractive option.”

Oat Milk at Costco – Kirkland Signature vs. Oatly

A discourse on oat milk would be incomplete without mentioning Oatly, a prominent name in the oat milk industry. While both brands offer quality products, the key distinction lies in their storage requirements.

Kirkland’s oat milk boasts a shelf-stable nature, whereas Oatly requires refrigeration. This can be a determining factor for those prioritizing convenience and storage flexibility.

Costco Oat Milk Delivery & Availability:

  • 2-Day Delivery: Order by 12pm PDT and receive your package within two business days.
  • Delivery Fee: Waived for orders over $75.
  • Same-Day Delivery: Available through Instacart (note: prices and availability may vary).

FAQs Regarding Costco Oat Milk


Costco’s Kirkland Signature Oat Milk is not just another dairy alternative; it’s a testament to quality, taste, and versatility. Whether you’re exploring non-dairy options, adhering to a vegan diet, or simply curious, this oat milk promises a satisfying experience.

Its rich profile, combined with Costco’s signature cost-effectiveness, ensures that you’re not just getting a product, but an experience worth savoring. So, the next time you’re at Costco, remember to check out this delightful oat beverage.

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