
Olive oil is in almost every recipe. From sautéing your favorite vegetables to searing proteins, you need a neutral oil on hand. It even makes for a delicious appetizer with bread to dip, along with fresh herbs and seasonings. But, no matter the purpose, olive oil is a key pantry staple.
So what’s the best Costco olive oil you can buy that’s high-quality, yet still affordable? In our rankings, we consider high-quality olive oils that are worth a splurge and then get into your best bargain finds for cooking whole meals. Here are our top choices that Costco members should consider buying.
If you want to be the first to read our exclusive content and hear about new Costco deals, sign up for our email list here.
10. Kirkland Signature Olive Oil

Go with your favorite tried-and-true warehouse brand, Kirkland Signature, by purchasing the three-liter container of refined olive oil. Perfect for those who don’t have a preference between olive oil and extra virgin olive oil, the three-liter bottle costs $22.49, or $0.22 per ounce. The oil is great for high-heat cooking, such as frying, sauteeing, and grilling, or in salad dressings and marinades.
9. Napa Valley Naturals Organic Extra Virgin Olive Oil

Napa Valley is most known for its wines, but also for its delicious olive oil. This organic olive oil is a favorite amongst Costco shoppers, with a six-pack, totaling 152 ounces, that costs $0.52 per ounce, or $79.99 total. As a Mediterranean olive oil, it features a blend of regional olive varieties (specifically from Cornicabra and Chetoui) and creates a smooth, buttery flavor with subtle fruity notes. It’s the perfect option to drizzle over finished dishes for extra flair.
8. TRE Extra Virgin Olive Oil

Two liters for $44.99 is a decent deal at $0.67 per ounce. TRE extra virgin olive oil comes in a tin container with a variety of olives from the Calabria region in southern Italy. This is one of the few selections at Costco that features cold-pressed olive oil. This process essentially creates the oil without using heat or chemicals. Instead, they crush the olives into a paste and separate the oil from the pulp. The result is a more nutrient-dense and flavorful oil.
7. Terra Delyssa Extra Virgin Olive Oil

With its smooth and mild flavor profile, Terra Delyssa is one of the best Costco olive oils. The Tunisian-based oil includes two 3-liter tins at $69.99, a great value for the quantity ($0.34 per ounce). The olives are not only hand-picked but also cold-pressed within four hours of harvest for the freshest results. This is a delicious option to add to any dish.
6. La Civetta Italian Extra Virgin Olive Oil

La Civetta features the same deal as Terra Delyssa: 202 ounces for $99.99 or $0.49 per ounce. The extra virgin olive oil is made exclusively in the Puglia region of Italy from Coratina and Frantoio olives. This olive oil is perfect for drizzling raw on finished pasta or salads. What makes this one of the best Costco olive oils is that only 20 thousand liters of this product are made each year, a fraction compared to the several tons other companies produce.
5. Myrtos Greek Extra Virgin Olive Oil

These bright blue tins are another $99.99 package with close to 200 ounces of oil inside ($0.49 per ounce). Known for being rich and well-balanced, Myrtos Greek olive oil primarily uses Koroneiki olives. Sourced from the hills of the Kalamata region in southern Greece, this olive oil is renowned for its flavor profile and golden-green color. Based on several reviews from Costco.com, this is one of the best Costco olive oil choices available.
4. O California Organic Extra Virgin Olive Oil

O California olive oil originates in California (no surprise there) from a blend of Arbequina, Koroneiki, and Arbonsana olives. Prepared within hours of harvest, the oil is fresh with a light taste. This is a great option for all kinds of cooking, especially searing a protein like chicken. A liter of this bottle (or 33 ounces) is $21.14. While a bit pricier than most at $0.64 per ounce, the flavor and quality make this hard to pass up.
3. Three Branches Pompeian Extra Virgin Olive Oil

Pompeian olive oil is a familiar option in most grocery stores, which earns its spot as the third option of the best Costco olive oil. Their oil, made with Spanish and Greek olives, is smooth with hints of fruitiness, perfect for marinades or light cooking. The bottle is also a great option for an affordable price while still buying in bulk. Two liters of this oil cost only $28.99 or $0.42 per ounce.
2. Kirkland Signature Italian Extra Virgin Olive Oil

As we know by now, Costco’s in-house brand, Kirkland Signature, is just as good as name brands, but at a fraction of the cost. Pick up Kirkland Signature’s Italian extra virgin olive oil the next time you want to shop big and save. It’s another olive oil that is first cold-pressed for the best outcome, but only costs $27.99 for a 2-liter container ($0.41 per ounce). Plus, it’s kosher and made with Italian-grown olives. With almost 1,500 reviews on Costco.com, this is the second-best Costco olive oil for Costco members.
1. Kirkland Signature Organic Extra Virgin Olive Oil

Not every olive oil is made equally. And as for the best Costco olive oil, you’re looking at Kirkland Signature’s organic extra virgin olive oil. It’s a top-quality organic oil, also sourced from Italy, that is also the most affordable on this list, as a 2-liter container is only $20.99, or $0.31 per ounce. Based on the value of the bottle, it’s hard to find another olive oil that’s better at Costco. And with over 5,000 reviews on Costco.com, this is a fan favorite amongst all members.
Don’t forget to keep checking back here at Costco97 for information on the best deals and hidden sales like .97 discounts. We talk about the best Costco bargains, secret hacks, and everything there is to know about the wholesaler and being a part of their membership. And be sure to stay in touch with the upcoming coupons, listed in our Costco Coupon Book (updated monthly).