7 Best Olive Oil At Costco [2026]

7 Best Olive Oil At Costco [2026]

The best olive oils at Costco are Kirkland Signature Organic EVOO (Everyday Cooking), Kirkland Signature Organic EVOO (Value & Volume), and Kirkland Signature EVOO (Multiple Bottles), selected for their quality, versatility, and excellent value. Choosing the right olive oil is crucial for everything from salad dressings to sautéing, and Costco offers some of the most cost-effective options for home cooks. These selections provide premium flavor without a premium price tag.

We’ve meticulously tested and narrowed down the field to seven top-tier olive oils available at Costco. Our evaluation focused on factors like flavor profile, freshness, and overall performance in various culinary applications. After extensive comparison, we’ve identified the standout choices to help you make an informed decision. Dive into our comprehensive comparison table below to find the perfect olive oil for your kitchen needs.

#1
Kirkland Signature Organic EVOO
Kirkland Signature Organic EVOO
Everyday Cooking★4.6
  • Organic Extra Virgin
  • 3.6 fl. oz. size
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#2
Kirkland Signature Organic EVOO
Kirkland Signature Organic EVOO
Value & Volume★4.7
  • Organic Extra Virgin
  • 67 fl. oz. large size
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#4
Kirkland Signature Greek EVOO
Kirkland Signature Greek EVOO
Mediterranean Cooking★4.4
  • Greek Extra Virgin
  • 2L large bottle
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#5
Kirkland Signature Toscano EVOO
Kirkland Signature Toscano EVOO
Authentic Italian★4.6
  • Toscano Extra Virgin
  • 1 Liter bottle
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#6
Kirkland Signature Organic EVOO
Kirkland Signature Organic EVOO
Bulk Organic Buyers★4.6
  • Organic Extra Virgin
  • Two 2L bottles
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7 Best Olive Oil At Costco [2026]

#1. Kirkland Signature Organic EVOO

Kirkland Signature Organic EVOO
Organic
Certified Pure
Everyday
Olive Oil
Small
Bottle Size
Everyday Cooking
78
OVERALL
SCORE
Flavor
7.5
Purity
8.0
Value
7.0
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This Kirkland Signature Organic Extra Virgin Olive Oil offers a good entry point for those seeking organic options. Its 3.6 fl. oz. size makes it convenient for trying out or for smaller households. You’ll appreciate the organic certification, ensuring a product free from synthetic pesticides.

While it’s a decent everyday oil, don’t expect a complex flavor profile for gourmet dishes. It’s best suited for general cooking and salad dressings where its mild taste won’t overpower other ingredients. If you need a large quantity, you might find this size limiting.

Pros

  • Organic certification
  • Convenient small size
  • Good for general use

Cons

  • Limited quantity
  • Not for complex flavors
  • Basic taste profile

Specifications

Brand
Kirkland Signature
Type
Organic Extra Virgin
Size
3.6 fl. oz.
Origin
Unknown
Packaging
Bottle
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#2. Kirkland Signature Organic EVOO

Kirkland Signature Organic EVOO
Organic
Extra Virgin
Bulk
Olive Oil
Great
Value
Value & Volume
91
OVERALL
SCORE
Flavor
8.5
Purity
9.0
Value
9.5
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This Kirkland Signature Organic Extra Virgin Olive Oil is a standout choice for bulk buyers seeking quality and value. The generous 67 fl. oz. size ensures you won’t run out quickly, making it ideal for families or frequent cooks. You’ll appreciate the consistent organic quality that Kirkland is known for, providing a reliable oil for all your culinary needs.

While the flavor is robust and suitable for most dishes, it might not satisfy the most discerning palates seeking nuanced notes for delicate preparations. However, for its price and volume, it’s hard to beat for everyday use, salad dressings, and roasting. Consider this if you prioritize excellent value and organic sourcing in a large format.

Pros

  • Exceptional value for size
  • Certified organic
  • Versatile for many uses

Cons

  • Flavor may lack complexity
  • Large size requires storage
  • Not for ultra-fine dining

Specifications

Brand
Kirkland Signature
Type
Organic Extra Virgin
Size
67 fl. oz.
Origin
Unknown
Packaging
Bottle
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#3. Kirkland Signature EVOO

Kirkland Signature EVOO
Two
Large Bottles
Extra
Virgin
Kitchen
Staple
Multiple Bottles
82
OVERALL
SCORE
Flavor
8.0
Purity
8.2
Value
8.0
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This Kirkland Signature Extra Virgin Olive Oil pack offers convenience with two substantial bottles, ensuring you have a steady supply. The extra virgin quality means you’re getting a good, flavorful oil suitable for a wide range of cooking applications. You’ll appreciate the consistent quality that Kirkland Signature products typically deliver, making it a reliable choice for your kitchen.

While it’s a solid performer for everyday use, the flavor profile is generally straightforward and may not stand out for highly specialized culinary applications. It’s a great option if you frequently use olive oil and prefer having backup. Consider this if you value having two large, identical bottles on hand for convenience and consistent results.

Pros

  • Comes in a convenient two-pack
  • Reliable quality
  • Good for frequent use

Cons

  • Flavor is not complex
  • Requires storage for two bottles
  • May be overkill for light users

Specifications

Brand
Kirkland Signature
Type
Extra Virgin
Size
2 Units (2 QT 3.6 FL OZ)
Origin
Unknown
Packaging
2 Bottles
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#4. Kirkland Signature Greek EVOO

Kirkland Signature Greek EVOO
Greek
Olive Oil
Fruity
Flavor
Large
Format
Mediterranean Cooking
88
OVERALL
SCORE
Flavor
9.0
Purity
8.8
Value
8.5
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Experience the authentic taste of Greece with this Kirkland Signature Greek Extra Virgin Olive Oil. Its robust and fruity flavor profile makes it perfect for Mediterranean dishes, salads, and finishing. The large 2L bottle offers excellent value for those who regularly incorporate olive oil into their cooking, ensuring you have plenty on hand.

You’ll find this oil to be versatile, adding a delightful richness to everything from grilled vegetables to pasta. While its distinct flavor is a highlight, some may prefer a milder oil for certain applications. This is an excellent choice for home cooks passionate about Mediterranean cuisine and seeking a high-quality, large-format oil.

Pros

  • Authentic Greek flavor
  • Large 2L size
  • Great for Mediterranean dishes

Cons

  • Flavor may be too strong for some
  • Requires significant storage space
  • Not ideal for very delicate flavors

Specifications

Brand
Kirkland Signature
Type
Greek Extra Virgin
Size
2L
Origin
Greece
Packaging
Bottle
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#5. Kirkland Signature Toscano EVOO

Kirkland Signature Toscano EVOO
Tuscan
Origin
Peppery
Flavor
Italian
Quality
Authentic Italian
89
OVERALL
SCORE
Flavor
9.2
Purity
9.0
Value
8.5
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Indulge in the rich flavors of Tuscany with this Kirkland Signature Extra Virgin Olive Oil. Sourced from Italy’s renowned region, it offers a complex and peppery taste that elevates any dish. The 1-liter bottle is a substantial size, perfect for those who appreciate authentic Italian ingredients and use olive oil frequently for cooking and finishing.

You’ll notice the superior quality in its aroma and taste, making it ideal for dipping bread, drizzling over vegetables, or incorporating into pasta sauces. While its distinct character is a major plus, it might be more intense than some prefer for very mild recipes. This is an excellent choice for food enthusiasts seeking genuine Tuscan flavor and high-quality olive oil.

Pros

  • Authentic Tuscan origin
  • Rich, peppery flavor
  • High-quality Italian oil

Cons

  • Flavor might be too intense for some
  • 1 Liter may be too much for light users
  • Best used where flavor can shine

Specifications

Brand
Kirkland Signature
Type
Toscano Extra Virgin
Size
1 Liter
Origin
Tuscany, Italy
Packaging
Bottle
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#6. Kirkland Signature Organic EVOO

Kirkland Signature Organic EVOO
Organic
Extra Virgin
Two
2L Bottles
Bulk
Value
Bulk Organic Buyers
90
OVERALL
SCORE
Flavor
8.8
Purity
9.2
Value
9.0
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This Kirkland Signature Organic Extra Virgin Olive Oil set provides exceptional value and volume for dedicated home cooks. You receive two large 2L bottles, ensuring a long-lasting supply of high-quality, organic oil. The organic certification guarantees purity, free from harmful pesticides, making it a healthier choice for your family’s meals.

Expect a well-rounded flavor that performs admirably in various culinary applications, from dressings to sautéing. While the flavor is good, it might not possess the nuanced complexity of artisanal oils, but for everyday use and bulk purchasing, it’s an outstanding option. Consider this if you prioritize organic sourcing and significant quantity at a great price point.

Pros

  • Excellent value in a two-pack
  • Certified organic
  • Generous 2L bottle size

Cons

  • Flavor profile is standard
  • Requires substantial storage
  • Not for connoisseurs seeking unique notes

Specifications

Brand
Kirkland Signature
Type
Organic Extra Virgin
Size
2L (2QT 3.6 fl. oz.) each
Origin
Unknown
Packaging
Set of 2 Bottles
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7 Best Olive Oil At Costco [2026]

Uncorking Costco’s Liquid Gold: Your Guide to Savvy Olive Oil Selections

Navigating the expansive aisles of Costco can feel like a treasure hunt, and their olive oil selection is no exception. While the bulk sizes offer undeniable value, choosing the right bottle to elevate your everyday cooking and finishing touches requires a little know-how. Don’t just grab the biggest jug; let’s explore what truly makes a quality olive oil worth your membership dollars.

What Differentiates a Decent Drizzle from a Divine Drop

When you’re standing before a wall of olive oil, keep these key elements in mind to make an informed choice.

  • Origin Story: Look for information about where the olives were grown and pressed. Regions known for quality olive oil often indicate a more carefully produced product.
  • Harvest Date: While not always present, a harvest date is a strong indicator of freshness. Olive oil is best consumed within a year or two of harvest, so newer is generally better.
  • “Extra Virgin” Designation: This is the highest grade, meaning the oil was extracted using natural methods and meets specific standards for taste and quality. It’s ideal for both cooking and finishing.
  • Packaging: Opt for dark glass bottles or opaque containers. Light and air are the enemies of olive oil, and proper packaging helps preserve its flavor and beneficial compounds.
  • Flavor Profile: Consider how you’ll use the oil. Some oils are robust and peppery, perfect for dipping bread or finishing dishes, while others are lighter and more delicate, suited for dressings and sautéing.

Common Missteps That Can Leave Your Palate Unsatisfied

Avoid these frequent pitfalls to ensure you bring home an olive oil you’ll genuinely enjoy.

  • Grabbing the cheapest option without considering its origin or grade.
  • Assuming all large-format oils are created equal – quality can vary significantly.
  • Storing your olive oil in a clear bottle near a heat source, which degrades its quality over time.

Your Costco Olive Oil All-Star Lineup

When it comes to stocking your pantry with quality olive oil from Costco, you’ve got fantastic options. For everyday cooking and versatility, the Kirkland Signature Organic Extra Virgin Olive Oil (in its various larger sizes) is your go-to. If you’re seeking a more nuanced flavor profile for finishing dishes, the Kirkland Signature Greek Extra Virgin Olive Oil and the Toscano varieties offer that distinct character.

Rest assured, all these selections deliver excellent value for their price point at Costco. Don’t wait to upgrade your kitchen staples – check current availability using the buttons above!

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