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Costco Membership Offer Coupons, Discounts and Promo Codes

30 coupons, codes and deals

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Last Updated: September 17, 2025

Current September 18, 2025 Coupons

Coupon code for 10% off on most products

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Coupon code for $300 off storewide

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$71 Off $500 southwest gift cards

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Coupon code for $40 card with executive membership

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Coupon code for $15 off $50

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Coupon code for 20% off gold star membership

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$400 Off invisalign treatment

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Coupon code for $20 membership after rewards

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Coupon code for $50 off a $100 purchase

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Coupon code for $30 off your order

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Coupon code for $15 off storewide

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Coupon code for 10% off your purchase of select items

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Coupon code for $30 digital card with this costco coupon

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Coupon code for $30 off with coupon code on $100+ orders

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Coupon code for 15% off your order

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$1 Off gold star membership

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20% Off business cards at costco (site-wide)

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10% Off your entire order instantly

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5% Off sitewide costco orders at costco

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10% Off costco membership subscription

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30% On your entire order

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5% Off clearance items

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20% Off at costco

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5% Off at costco

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20% Off eligible items

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25% Discount from costco coupons, promo codes & rewards for 2025

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25% Off selected products

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20% Off your first order when you sign up

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25% Discount from costco

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30% On your entire order

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Best Costco Membership Offer Coupon Codes & Deals

DiscountDescriptionExpires
10%Coupon Code for 10% Off on Most ProductsOngoing
$300Coupon Code for $300 Off StorewideOngoing
$71$71 Off $500 Southwest Gift CardsOngoing
ON SALECoupon Code for $40 Card With Executive MembershipOngoing
$15Coupon Code for $15 Off $50Ongoing

Costco Customer Service Contact Info

Costco Headquarters PO Box 34331 Seattle, WA 98124 Telephone Number: +1 (800) 955-2292

What are the top ways to save at Costco?

Here are a few of the best ways you can save money with Costco online.

  • Enroll in the Costco Member Prescription program and save 20% or more on prescription medications.

  • For college students, join as a new member and receive a $30 shop card.

  • Subscribe to Costco emails to receive the latest news, promotions and special offers.

  • Go to costco.com and check out the “Warehouse Savings” page for exclusive coupons on popular items.

  • Get even better deals using the “Online-Only Savings” page on costco.com

How to Redeem a Coupon Code at Costco

Costco coupon codes can be redeemed at checkout, but you must have a Costco membership or a Costco Cash card purchased by someone with a membership to make purchases. Non-Costco members can still purchase items, but they may have to pay an additional non-member surcharge. If you don’t want to pay the surcharge, you can sign up for a membership by clicking the ‘Add a Membership’ link on the Payment page.

  • Add the items you want to purchase to your cart.

  • Click the ‘Cart’ icon, and select the ‘Proceed to Checkout’ button.

  • Log in with your registered account, or provide the requested information to create a new account.

  • Proceed to the Payment page, and input your promo code into the ‘Promo Code’ text field. Click the ‘Apply’ button.

  • Continue through the checkout process to complete your order.

Does Costco Do Black Friday?

Yes, we are eagerly waiting for the Costco Black Friday Deals that will start on Fri Nov 25 2024 with many items available in the discounted Black Friday sale.

Does Costco Do Cyber Monday?

Yes, we are eagerly waiting for the Costco Cyber Monday Deals that will start on Mon Nov 28 2024 with many items available in the discounted Cyber Monday sale.

Costco FAQs

Are there coupons for Costco?

Yes, Costco have coupons and you can get it when you sign up on Giving Assistant. You can get updated Costco coupons, promo codes and deals. You can also sign up through their mobile app for text messages and emails that will alert you to extra savings and new menu items.

How do I get a $25 Costco coupon?

You will get discount of $20 Costco coupon when you subscribe to the company’s mailing list. Use your Costco $25 off coupons for any purchase. Sign up through Giving Assistant mobile app to get Costco deals and special offers for over $20 off.

How do I use my promo code for Costco?

The coupon code is provided with your deal on Giving Assistant, copy it to your clipboard. Go to Costco site and add all the items you’d like to purchase to your cart. Checkout and enter your one time use code in the coupon box.

Does Costco offer senior discount?

No, Costco do not offers a special discount for senior citizens. However, there are other ways to save at Costco including both standing discounts and weekly offers from Giving Assistant. You can visit their homepage to see if Costco has posted additional information on their senior discount policies.

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