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Costco Deal

Costco Promo Codes & Coupons

2.19 out of 5 stars found from 89 votes

Save $30 in May 2023

Costco carries everything imaginable, from groceries and household essentials to clothing to electronics. With a Costco membership card and our exclusive promo codes, you'll be able to save big on everything from in-club offers to online savings on grocery delivery. Don't miss out on the chance to score great deals and savings. 

Use by Jun 11, 2023

30 day statistics: 3 new Discounts added • 1 tested manually • Last modified on 05/26/2023

Recently Featured Costco Deals & Coupons

These Costco coupons have been marked expired, but feel free to try them out.

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All Valid Costco Discount Codes & Offers in May 2023



Expiration Date


Save at Costco with Join as a new member online and enroll in auto renewal of your annual membership to receive a $30 Digital Costco Shop Card

June 11, 2023

Helpful Store Info & Tips

Costco Promo Code

How to apply your Costco coupon code

  • Select the Costco promo code that provides the greatest savings and copy it.

  • Add the items you wish to purchase to your shopping cart on

  • Click the "View Cart" button to navigate to the Order Summary page.

  • Click the "Checkout" button and log in to your Costco store account to proceed.

  • Paste the Costco promo code in the designated box to apply the discount.

Questions to ask if your coupon code is not working

  • Has the Costco code expired? Grab another voucher that has not yet expired.

  • Is the Costco promo only valid for certain product categories or customers, such as first-time customers or veterans? Read the More Details section.

  • Did you type or paste in the entire Costco code? Re-enter the code to see.

  • Is the Costco website under maintenance? Try refreshing the web page.

What to do when no coupons are available

  • Browse Costco's Deals page to find 800+ products at markdown, including $20 off kitchen appliances and $50 off air purifiers.

  • Join the company's membership program to get exclusive privileges, including full access to Costco's in-store and online catalog.

  • Enroll in Costco's special promo program as a student to get $20 in store credit.

Combining coupons

Costco prohibits combining coupons on any single transaction. However, you may be able to combine free shipping promos from Costco with percentage-off discount codes from CNET.

Using online promo codes in stores

You cannot find Costco online coupons for in-store use. That said, you can receive a monthly coupon book from Costco when you join their mailing list. You can use these Costco codes to shop at your local Costco warehouse.

Annual sales & promotions

Black Friday sale

Get up to $350 off laptops, audio systems, and groceries when you shop during Costco's Black Friday event.

July 4th promotion

You can find hundreds of discounted items, ranging from kitchen appliances to electronics, during Costco's Fourth of July promotion.

Christmas sale

Take 50% off premium food brands during Costco's holiday event.

Sale section

Costco has a permanent Deals page that lists 800+ items. Get $40 off Acer gaming monitors or $200 off a Thomasville Langdon storage ottoman.

Important Costco info

Get free shipping

While the wholesale club does not have any ongoing Costco free shipping promos, most products qualify for free delivery from Costco. If this service isn't offered, you will see a "Plus Shipping and Handling" label on the product description. Actual shipping and handling fees are calculated at checkout after you've provided your address.

Costco promos and discounts

In addition to Costco's membership program, which grants access to the wholesaler's inventory, they also have an executive rewards program. This Costco rewards program grants executive members an annual 2% reward or up to $1,000 on qualifying purchases.


Some Costco products qualify for rebates. To get Costco cashback points on your order, visit Costco's Rebates page and follow the detailed instructions.

The Costco app

The Costco app offers numerous benefits to enjoy on your mobile devices. You can get quick access to Costco products when you're out and about, access and edit your account information, review your Executive Rewards and Shop Card balances, track your online orders, easily find your way to a Costco store, and lots more.

More unique discounts

How to get a student discount

While there is no Costco student discount at this time, the company does have an exclusive perk for college students to join Costco as new members and receive their own Costco Shop Cards.

How to get a military discount

There's no Costco military discount, any service member joining as a new Costo member can receive a $20 Costco Shop Card.

Business discounts

Costco business discounts are not available, but the wholesale club does offer special deals for new business members.

Refurbished product savings

Although the wholesaler offers great savings on loads of products, there are no Costco refurbished products or Costco open-box items for sale.

Save on laptops, computers, and monitors

The best way to get a Costco laptop, Costco computer, or Costco monitor discount is to check the wholesaler's offerings under the category you're looking for. You may be able to save hundreds of dollars. Save even more with a promo code from CNET that offers dollars off on all purchases site-wide. If you're a Costco cardholder, you can get free tech support.

Sign-up offer

Take advantage of Costco's sign-up offer to get email-only promos and alerts on upcoming events and newly added products. To sign up for their email newsletter, you'll need to provide a valid email address and your Costco member ID.

Refer a friend

Costco has a refer-a-friend program that rewards you with a $10 Shop Card for every successful referral. Your referral also gets a $10 Shop Card that they can use on their next purchase.

Groceries and household

Save on Costco grocery delivery with our free shipping promo codes!
Save on Costco grocery delivery with our free shipping promo codes!

With its wide selection of food and other household essentials, Costco is a one-stop shop when it comes to supermarket and even drugstore items. You can order groceries via the Costco website to be delivered on either the same day or in two days' time. Save on delivery fees with our Costco coupons! 


Save on gas at the Costco gas station nearest you!
Save on gas at the Costco gas station nearest you!

If you're a Costco member, you can score great prices on gasoline! Check out their website to find Costco gas stations near you. 

Costco optical

Save big on lenses from Costco with our promo codes!
Save big on lenses from Costco with our promo codes!

Find glasses, sunglasses, contact lenses, and blue light glasses on Costco's website. They carry a range of brands and styles to help you find a pair that suits you best. Our online Costco coupons can help you save on your new frames as well!

More Costco information

Making returns

Costco offers a 100% Risk-Free Satisfaction Guarantee for select product categories, although some items, such as cigarettes and alcohol, are not eligible for returns after purchase. If you need to return electronics, they must be returned within 90 days of the original purchase date for a full refund.

Payment options

When shopping on the Costco website, you have various payment methods to choose from during checkout. If you prefer to pay with a credit card you can use a Visa card or any PIN-based debit or ATM card. Costco also accepts those payment methods, along with travelers' checks and EBT cards, as well as Costco Shop Cards as payment for your purchase.

Ways to save

Thanks to our expertise over the last 365 days, you will learn lots about Costco. Of particular interest is finding out the best time for bargain hunting.

The top months to mark down

The higher your benefits, the better: September offered the coupon with the most significant discount.

Fall was the best season to shop, with more coupons added between September and November than any other time.

Am I getting a good deal at Costco?

We've evaluated how much a typical coupon from Costco will save you. Use it as a reference for future promotions.

Get ready for about 30% discount

With an average saving of 30%, it is worthwhile to take advantage of a coupon.

Check possible restrictions

A coupon is typically tied to a minimum amount at Costco. In the event of there being an applicable condition, the average value is $30.

From now on, follow your intuition: Put these learnings to good use, and get your hands on really special potential savings!