Costco promo codes
33 Costco codes are on file. None has passed a checkout test yet, so try them before you count on the saving.
- Codes listed
- 33
- Verified
- 0
- Sitewide
- 8
- Last checked
- Oct 15, 2026
Unverified codes
Listed as found; some may have ended25% Off
Not verified
25% Off Volt Lighting (members Only) at Costco
- 25% off your order
- Applies to: Select items
- Excludes: members
20% Off
Not verified
20% Off Offers at Costco
- 20% off your order
- Applies to: Select items
15% Off
Not verified
Costco Coupon: 15% Off Your Order
15% Off
Not verified
15% Off Select Items at Costco
- 15% off your order
- Applies to: other
10% Off
Not verified
Shop and Save Get 10% Off All Your Favorite Items Now
10% Off
Not verified
10% Off Select Items at Costco Contacts Online
- 10% off your order
- Applies to: none
1% Off
Not verified
1% Off Gold Star Executive Membership at Costco
- 1% off your order
- Applies to: Select items
1% Off
Not verified
1% Off Gold Star Executive Membership (members Only) at Costco
- 1% off your order
- Applies to: Select items
- Excludes: members
$450 Off
Not verified
$450 Off Storewide (must Order 4) at Costco
- Works sitewide — no specific product required
- Applies to: storewide
$300 Off
Not verified
$300 Off Storewide at Costco
- Works sitewide — no specific product required
- Applies to: storewide
$80 Off
Not verified
$80 Off Bridgestone Tires at Costco
- Applies to: Select items
$50 Off
Not verified
$50 Off Storewide (Minimum Order: $500) Members Only at Costco Contacts Online
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: members
$45 Off
Not verified
$45 Off Storewide at Costco Contacts Online
- Works sitewide — no specific product required
- Applies to: storewide
$15 Off
Not verified
$15 Off Storewide at Costco
- Works sitewide — no specific product required
- Applies to: storewide
$15 Off
Not verified
$15 Off Storewide at Costco
- Works sitewide — no specific product required
- Applies to: storewide
$10 Off
Not verified
$10 Off Depend Products at Costco
- Applies to: Select items
$10 Off
Not verified
$10 Off Storewide at Costco
- Works sitewide — no specific product required
- Applies to: storewide
$10 Off
Not verified
$10 Off Your Order of $35+
$1 Off
Not verified
$1 Off Gold Star Membership (members Only) at Costco
- Applies to: Select items
- Excludes: members
$1 Off
Not verified
$1 Off Executive Membership (Members Only) at Costco
- Applies to: Select items
- Excludes: members
$1 Off
Not verified
$1 Off Gold Star Executive Membership (members Only) at Costco
- Applies to: Select items
- Excludes: members
SALE
Not verified
One Cent on Gold Star Executive Membership at Costco
- Applies to: Select categories
SALE
Not verified
Extra savings on your order from the costco.com community
SALE
Not verified
Get Competitive Pricing Available Now
SALE
Not verified
Get Current Savings At Costco Wholesale
SALE
Not verified
Get a Free $40 Digital Costco Shop Card When You Join as a New Executive Member
SALE
Not verified
Join Costco Online & Get $50 Digital Shop Card
SALE
Not verified
Get $40 Digital Costco Shop Card When You Join as New Executive Member with Auto Renewal
SALE
Not verified
$0. 01 Off Gold Star Executive Membership (Members Only) at Costco
- Applies to: Select items
- Excludes: members
SALE
Not verified
One Cent Gold Star Membership (members Only) at Costco
- Applies to: Select items
- Excludes: members
SALE
Not verified
Online Savings Storewide at Costco
- Works sitewide — no specific product required
- Applies to: storewide
SALE
Not verified
One Cent Membership at Costco
- Applies to: Select items
SALE
Not verified
Extra savings on your order at costco.com
How to use a Costco code
Show and copy the code
Start with a verified code. The code opens in a new tab and this tab continues to Costco.
Fill your bag at Costco
Add the items the code applies to. Sale items and some brands are often excluded.
Paste it at checkout
Enter the code in the promo field before you pay. If the total does not change, try the next code.
Questions about Costco codes
Does Costco have a working promo code right now?
We list 33 Costco codes, but none has passed a checkout test yet. Treat them as unconfirmed and try the first one listed.
What is the best Costco promo code today?
The strongest offer we have on file is “25% Off Volt Lighting (members Only) at Costco”. It has not been verified, so it may not apply to every basket.
Do Costco codes work on everything?
8 of the listed codes are described as sitewide. The rest are limited to selected items, a minimum spend or new customers; each code lists its terms where they are known.
How do I use a Costco promo code?
Select “Show code” on this page and copy the code, add your items to the bag at Costco, and paste the code into the promo or discount field at checkout before you pay. The order total should update straight away; if it does not, the code does not apply to your basket.
Why did my Costco code not work?
The usual reasons are an expired code, sale items that are excluded, a minimum spend that has not been reached, or a code limited to first orders. Codes marked “Verified” were accepted at checkout on the date shown; unverified codes are listed as found and may already have ended.
Codes are collected from public sources and re-checked on a rolling schedule; retailers can end an offer at any time. InfluencerRate may earn a commission when you shop through links on this page.