Updated 12 April 2018

Costco Coupons 2018

6 Costco promo codes & discounts that work

ONLY
$60
Sale

Get a Costco membership for as low as $60 per month

Costco memberships let you save on bulk items. Get your membership today for as low as $60/month.

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Newsletter Discount

Sign up for exclusive discounts from Costco

When you sign up for Costco newsletters, you get exclusive promo codes, sales, and discounts straight to your inbox. Start saving today.

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$1500
OFF
Sale

Up to $1500 off buyers' picks @ Costco.com

Buyers' pick their favorites so you can save even more at Costco. Get up to $1500 off customer favorites today.

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FREE
SHIPPING
Free Shipping

Enjoy Costco free shipping

Whatever you order from Costco, you can get it delivered for FREE.

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Sale

Get up to $1,550 off appliances @ Costco

Find Costco appliances for up to $1,550 less than competitors. Shop dishwashers, fridges, stoves and more at Costco.

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Expired coupons for Costco

$2500
OFF
Sale

Save up to $2500 off items at Costco

The money you save on the hot tub deal will cover the cost of a new gazebo this summer at Costco.

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Sale

Get $8 off Kirkland diapers @ Costco

Diapers literally get one use and go to the trash, save $8 by buying Kirkland signature diapers from Costco.

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Sale

Costco: hot buys for the home, only online

You can always trust Costco to save you money, for April, they have $40 off kitchen faucets, $30 off pots and pans, $300 off patio covers, and more. Get your home and yourself ready for warmer weather with Costco.

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Sale

$100 off Lenovo laptops from Costco

Save $100 on Lenovo laptops from Costco, plus tons of other savings across other departments.

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73%
Sale

Members-only savings at Costco

Save on furniture, apparel, tech, luggage, mattresses - all the essentials at Costco.

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WHERE TO ENTER A COSTCO COUPON CODE

Here's how to easily apply the code to your order at Costco online:

  • Click "Get code & visit site" to reveal the code. Copy it to your clipboard.
  • Proceed to Costco.com and load up on your desired items.
  • When you're ready to checkout, click on the cart icon to open your cart summary. If you're satisfied with the contents of your cart, click "Checkout".
  • Enter all the applicable information, including your Costco membership number and your shipping address.
  • Once you reach the Payment step (step 3), scroll down to the bottom of the page and paste your promo code into the field.