Top 5 Olive Oil Costco: Best Buys Reviewed Now

Ever stared down the olive oil aisle at Costco, feeling a little lost? You see giant bottles and all sorts of labels. It can feel like a big decision when you just want good, tasty olive oil for your kitchen.

Choosing the right olive oil at Costco can be tricky. You want something that tastes great in your salads and is good for cooking. But with so many brands and prices, how do you know which one to pick? It’s easy to feel unsure if you’re getting the best value and quality.

This post will clear things up. We will break down what to look for in Costco’s olive oil selection. You will learn what makes a good olive oil and how to pick the perfect bottle for your needs. Get ready to shop with confidence!

Top Olive Oil Costco Recommendations

SaleBestseller No. 2
Amazon Grocery, Extra Virgin Olive Oil, 51 Fl Oz (Previously Amazon Fresh, Packaging May Vary)
  • One 51 fluid ounce bottle of Extra Virgin Olive Oil, cold extracted
  • Some of your favorite Amazon Fresh products are now part of the Amazon Grocery brand! Although packaging may vary during the transition, the ingredients and product remain the same. Thank you for your continued trust in our brand
  • Great for salads and marinades
  • Non-GMO project verfied
  • Amazon Grocery has all the favorites you love for less. You’ll find everything you need for great-tasting meals in one shopping trip
Bestseller No. 3
Pompeian Smooth Extra Virgin Olive Oil, Contains Polyphenols, First Cold Pressed, 68 Fl Oz
  • SMOOTH EXTRA VIRGIN OLIVE OIL: Expertly crafted by The Olive Oil People, this extra virgin olive oil is made from first cold pressed olives, grown and nurtured by our family of farmers.
  • SMOOTH, DELICATE TASTE: Pompeian Extra Virgin Olive Oils are ideal for any meal that starts with a sauté and ends with a drizzle. With its smooth, delicate taste, Pompeian Smooth EVOO is perfect for sautéing and stir-frying!
  • 100% FARMER CRAFTED: Quality from The Olive Oil People since 1906.
  • IMPORTED, FIRST COLD PRESSED EXTRA VIRGIN OLIVE OIL: Certified for Authenticity by the North American Olive Oil Association (NAOOA).
  • COMMITTED TO QUALITY: Pompeian Smooth Extra Virgin Olive Oil is Naturally Gluten Free and Non-Allergenic, Kosher, and Non-GMO Verified by the Non-GMO Project.
Bestseller No. 4
Amazon Fresh, Italian Extra Virgin Olive Oil, Cold Pressed, for Cooking, 2 Liter
  • Cold extracted
  • A smooth blend with subtle notes of pepper and herbs
  • Pressed and bottled in Italy
  • Use for cooking, grilling, and in finishing dishes
  • One 2-liter plastic bottle of Extra Virgin Olive Oil
Bestseller No. 7
Atlas 1 LT Cold Press Extra Virgin Olive Oil with Polyphenol Rich from Morocco | Newly Harvested Unprocessed from One Single Family Farm | Moroccan Organic EVOO Trusted by Award-Winning Chefs
  • 【 The Highest Quality Cold-Pressed Moroccan Olive Oil】 The Atlas Mountains of Morocco help grow the most perfect olives in the world, thanks to the rare climate and the geographical advantage of the high-reaching area. We, at Atlas Olive Oils, pride ourselves on producing the highest quality cold-pressed Moroccan olive oil, which is sustainably sourced and ethically produced.
  • 【 Maximum Health Benefits with Only Single Pressing of the Olives】 The Atlas Mountains of Morocco help grow the most perfect olives in the world, thanks to the rare climate and the geographical advantage of the high-reaching area. We, at Atlas Olive Oils, pride ourselves on producing the highest quality Cold Pressed Moroccan olive oil, which is sustainably sourced and ethically produced.
  • 【 You will love the delicately complex aroma 】 that takes in almonds, culinary herbs and a mix of sweet bananas, lemons and basil. The taste and delicacy will please your palate too.
  • 【 Our 100% organic Extra Virgin Moroccan Olive Oil 】 is free from added chemicals and destructive ingredients which makes the Olive Oil 100% SAFE . You can use this gently complex olive oil for general cooking as well as for baking and desserts.
  • 【 So Many Award-Winning Restaurants Use it 】 our extra virgin olive oils to create dishes intended for an exclusive, refined and demanding public Exclusive restaurants and luxury hotels, but also high representative institutions and prestigious gourmet stores have chosen our olive oils. A perfect combination of organoleptic characteristics, chemical-physical qualities and sustainability that has been able to conquer many of the most rigorous and famous professionals of catering in the world.
Bestseller No. 8
Pompeian USDA Organic Robust Extra Virgin Olive Oil, Contains Polyphenols, First Cold Pressed, Full-Bodied Flavor, Perfect for Salad Dressings & Marinades, 48 FL. OZ
  • Farmer-crafted
  • Imported, first cold pressed extra virgin olive oil
  • Perfect base for dressings, vinaigrettes and marinades
  • USDA Certified Organic
  • Quality since 1906 from the Olive Oil People

Your Smart Shopper’s Guide to Olive Oil at Costco

Buying olive oil at Costco is a great way to get good quality for a good price. But with so many options, how do you pick the best one? This guide helps you choose the perfect bottle for your kitchen.

Key Features to Look For

When you look at the olive oil bottles, a few things really matter. These features tell you how fresh and flavorful the oil is.

1. Type of Olive Oil
  • Extra Virgin Olive Oil (EVOO): This is the top choice. It means the oil is pressed from olives without using too many chemicals or too much heat. It has the best flavor.
  • Virgin Olive Oil: This is good, but slightly lower in quality than EVOO.
  • “Light” or “Pure” Olive Oil: These oils are often refined. They have less flavor and fewer healthy benefits. Skip these if you want the best taste.
2. Harvest Date and Freshness

Olive oil is best when it is fresh. Look for a “Harvest Date” or “Bottled Date.” The closer the harvest date is to today, the better. Try to buy oil harvested within the last 12 to 18 months.

3. Packaging Matters

Light and heat ruin olive oil fast. Always choose oil sold in dark glass bottles or metal tins. Clear plastic bottles let in too much light, which lowers the quality quickly.

Important Materials: What Makes Good Oil?

Olive oil is just one ingredient: olives! But where those olives come from and how they are handled changes everything.

Source and Origin

Many popular brands at Costco source olives from different countries. Look for oil that lists a single country of origin (like “Product of Italy” or “Product of Spain”). This often means better control over the quality.

Acidity Level (A Hidden Quality Marker)

High-quality EVOO must have a low level of free fatty acids, usually below 0.8%. While Costco labels don’t always show this number, brands that win awards or have strong testing usually have lower acidity, meaning better flavor.

Factors That Improve or Reduce Quality

What makes your oil go from delicious to dull? It is all about protection and processing.

Quality Boosters:

  • Cold-Pressed: This means the olives were pressed without much heat. Heat destroys the good flavors and healthy fats.
  • Single Estate or Single Variety: Oil made from olives grown on one farm or one type of olive tree often has a more consistent, unique taste.

Quality Reducers:

  • Exposure to Air: Once the bottle is opened, air starts to change the oil. Always seal the cap tightly after use.
  • Storage Temperature: Never store your olive oil near the stove or above the dishwasher. Keep it in a cool, dark pantry. If the oil gets too warm, it goes rancid faster.
  • Buying Too Much: Costco sells big bottles. If you cannot use a large tin within 3-4 months after opening, consider buying a smaller size next time.

User Experience and Use Cases

How you plan to use the oil decides which type you should buy.

For Dipping and Finishing (Where Flavor Shines):

Use your best, freshest Extra Virgin Olive Oil here. You want the strong, peppery taste. Drizzle it over salads, soups, hummus, or dip bread in it. Flavor is the main goal.

For Cooking and Sautéing (Where Heat is Involved):

EVOO is fine for medium heat cooking. It has a smoke point around 375°F. If you are frying or searing at very high heat, a refined olive oil or even avocado oil might be better, as it will not burn as easily.

Costco often stocks well-known, reliable brands. By checking the bottle color and aiming for EVOO, you ensure you bring home a quality product that will make your meals taste better.


10 Frequently Asked Questions (FAQ) About Costco Olive Oil

Q: Is Costco olive oil generally good quality?

A: Yes, Costco usually stocks well-regarded brands. Many of their Extra Virgin Olive Oils are third-party tested, which is a great sign of quality assurance.

Q: Should I buy the large tin of olive oil at Costco?

A: Only if you use olive oil daily. If you don’t use a lot, the oil can go bad before you finish the large size. Smaller bottles are better for slower cooks.

Q: What is the difference between the Kirkland Signature EVOO and other brands?

A: Kirkland Signature EVOO is often highly rated for its price point. It focuses on being fresh and meeting EVOO standards. Always check the specific label for the harvest date if possible.

Q: Can I use olive oil for deep frying?

A: It is not recommended. Olive oil has a lower smoke point than oils like canola or peanut oil. It can burn at very high frying temperatures.

Q: How do I tell if my olive oil has gone bad?

A: Bad olive oil smells waxy, like old crayons, or tastes bitter and flat. Good EVOO should have a slight peppery finish.

Q: Does olive oil need to be refrigerated?

A: No. Refrigeration makes olive oil solidify and become cloudy. Store it in a cool, dark cupboard instead.

Q: Is the “Organic” label at Costco a sign of better oil?

A: Organic means the olives were grown without certain pesticides. It is a good choice, but it does not guarantee better flavor than a non-organic, well-tested EVOO.

Q: Are the flavored olive oils at Costco any good?

A: Flavored oils (like lemon or garlic) are fun, but they usually use refined oil as a base. Use them for simple dressings, but stick to pure EVOO for health benefits.

Q: What is the best way to store the large metal tins?

A: Keep the tin sealed tightly. Store it in a cool, dark pantry away from the oven. Do not leave it sitting out on the counter.

Q: Should I look for a “Best By” date or a “Harvest” date?

A: The Harvest Date is more important because it tells you how old the oil is when it was crushed. Aim for oil harvested less than two years ago.