Is Costco cheaper than Walmart for groceries in Canada?

In Canada, the best short answer is: it depends on what you buy and how much of it you need.

Costco is often cheaper on a unit-price basis for many grocery categories, especially bulk items, pantry staples, meats, dairy, and some organic products. But Walmart can be cheaper for smaller grocery trips or for total checkout spend, because you can buy regular-sized quantities without needing to stock up.

A few practical points:

• Compare unit prices on shelf tags, not just the sticker price.
• Costco usually makes the most sense if you’ll use the larger pack sizes and the food won’t go to waste.
• Walmart does not require a membership for grocery shopping, while Costco does require a paid membership.
• Membership fees and prices can change, so if you’re comparing Costco’s membership cost or current item prices, it’s best to check the official Costco Canada site and your local store.

So the bottom line is: Costco is often better for unit price on certain groceries, but Walmart can be the better choice for overall convenience and smaller households, and may be cheaper at checkout for some trips. Prices can vary by province and by sale, so the most accurate comparison is the current shelf price in your local stores.