Costco Promo Codes - 5% Off Discount Code September 2025

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1% Off
Top Code
Costco Coupon Code: Save 1% Off Select Items. Members Only. at Costco w/Coupon Code . View more details.
Restrictions: Members only. Restrictions: .
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5,422 uses Last used 4m ago
Verified coupon
$1 Off
Costco Coupon Code: Get $1 Off Select Items at Costco.com
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1,411 uses Last used 45m ago
Verified coupon
Sale
Costco Coupon Code: 1 Cent Off on Select Products. Limited to Members. View more details.
Restrictions: Members only. Restrictions: . Discount details: 1 cent off.
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4,062 uses Last used 45m ago
Verified coupon
Discount on Select Items
Costco Instant Discount on Select Items Code: Join Costco's Email Newsletter and Get an Instant Discount on Select Items Storewide Discount Code.
Get My Code
Costco.com newsletter codes . Used 1,530 times. Last used 9h ago.
Up To $60 Off
Costco Untested Codes: Save Up To $60 Off - Try These Untested Costco Discount Codes
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5 untested Costco coupons.
$20 Off
Costco Military Discount: Save Up to $20 Off With Costco Military Discounts
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Costco.com military discount . Used 411 times. Last used 4d ago.

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Costco

Costco

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Costco is a major warehouse club store that markets products and services at costco.com. Costco competes with other top wholesale club stores such as , and . Costco sells mid-range purchase size items on its own website and affiliated sites in the niche online warehouse clubs industry.
When it comes to offering discount codes, Costco offers coupon codes and discounts actively. Costco is a popular brand when it comes to coupons and discount offers, with many searches for coupons each month, though it issues a relatively low volume of coupons.
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About Our Costco.com Promo Codes

Verified Discount Codes:
3
Total :
150
Best Discount Today:
5% off
Average Shopper Savings:
66.2%
Last Coupon Added:
1d ago
We have 3 Costco coupon codes today, good for discounts at costco.com. Shoppers save an average of 66.2% on purchases with coupons at costco.com, with today's biggest discount being $250 off your purchase.
Our most recent Costco promo code was added on Aug 31, 2025. On average, we find a new Costco coupon code every 10 days. Over the past year, we've found an average of 31.0 discount codes per month for Costco.

More Costco Discounts & Coupon Codes

30% Off
Costco Teacher Discount: Save Up to 30% Off With Costco Teacher Discounts
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Costco.com teacher discount . Used 105 times. Last used 1wk ago.
30% Off
Costco Nurse Discount: Save Up to 30% Off With Costco Nurse Discounts
View Nurse Discount
Costco.com nurse discount . Used 64 times. Last used 2wk ago.

More Costco Promo Codes (Unverified)

Sale
Costco Code (Unverified): Deal on Gold Star Membership at Costco.com . View more details.
Restrictions: .
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330 uses
Unverified Code
Sale
Costco Promo Code (Unverified): Up to 20% on Gold Star Membership . View more details.
Discount details: Up to 20%.
Show Coupon Code
211 uses
Unverified Code
$60 Off
Costco Code (Unverified): Get $60 Off Gold Star Membership. Members Only. View more details.
Restrictions: Members only.
Show Coupon Code
264 uses Last used 5d ago
Unverified Code
View more Costco promo codes

Costco Coupon FAQ

Does Costco have a military discount?

Yes, active duty military, veterans and military families get a discount at Costco.com. Read the full Costco military discount policy on their customer service support page.

Do students get special discounts at Costco?

Yes, if you're currently enrolled as a student in college or high school, Costco does offers a student discount program. Proof of enrollment is required. For more details, see Costco's student discount page at their website.

Does Costco offer discounts to teachers and educators?

Yes, Costco does run a teacher discount program. Get more details on Costco's educator's discount policy page at costco.com.

Do nurses and nurse practitioners get any special discounts at Costco?

Yes, Costco has a nurse and medical professional discount policy. If you're a nurse practitioner or medical professional, just provide proof of occupation and you can get special discounts. See the full policy here on their website.

Does Costco offer financing or pay-over-time options?

Yes, Costco supports the following financing and split payment options providers: Affirm financing and Apple Pay Later financing. With any financing option, you can buy now and pay later in installments.

Does Costco have Black Friday or Cyber Monday deals?

For Black Friday, Costco implements special pricing, offering discounts on select items. Explore Costco's Black Friday offers!

Where can I find Costco coupons?

Costco offers coupons and promotional codes which you can find listed on this page. Look for coupon codes marked with the green verified label for today's active Costco promo codes. You can also find sales and other promotions for Costco here as well.

How do I use my Costco discount code?

First, copy the discount code by clicking the code on this page. Then head to Costco's website at costco.com and enter the code in the coupon code entry box during checkout. You will see either a confirmation message of your savings or an error if the code did not work.

My Costco promo code didn't work. What can I do?

Some coupon codes have special requirements or exceptions. Click "view restrictions" next to the coupon code on this page to learn more. If necessary, try multiple Costco codes on this page until you find one that redeems a discount.

What's today's best Costco coupon?

Today's biggest Costco.com Promo Code is for $250 off. The coupons you see at the top of this page will always show the best Costco discount codes first. Generally, the best codes are "store-wide" deals that can be used on any purchase at costco.com. Also, look for the Costco promo codes with the biggest discount percentage.

How often does Costco offer online coupons?

Costco issues coupon codes a little less frequently than other websites. We check for new Costco codes frequently, so just check back this page to find the latest available Costco coupons.

How many coupons is Costco offering today?

Currently, Costco is running 3 promo codes and 6 total offers, redeemable for savings at their website costco.com.

How We Curate Our Codes

Rely on Dealspotr for Costco Coupon Codes

Fueled by a community of diehard bargain enthusiasts, Dealspotr is your trusted source for the latest and greatest coupon codes across more than 400,000 brands, with Costco among them. Our unwavering goal? Connecting you with unbeatable deals and discounts that elevate your online shopping experience.

Verified Costco Coupon Codes

We use a multi-step process to ensure our promo codes are reliable. Our systems, powered by a combination of advanced AI and our dedicated community, work to test and validate offers. Look for codes with the 'Verified' label for the highest chance of success. At Dealspotr, our dedicated team of coupon enthusiasts works to verify Costco coupon codes featured on our website when applied at costco.com. Combining the human touch with innovative technological tools, we strive to provide reliable codes for Costco at costco.com. Our commitment to accuracy means our Costco codes undergo regular verification, with the latest check performed on Sep 05, 2025.

Collective Savings Power

Dealspotr is your go-to source for the latest, real-time Costco coupon codes, discount sales, and promotions. Our dedicated community of savvy shoppers shares verified promo codes from various sources, including email campaigns, influencer collaborations, and exclusive offers. We employ advanced AI algorithms and human editors to rigorously test each code, ensuring its validity at the time of use.

Dealspotr Savings Scorecard

Our thriving community and cutting-edge technology work together to deliver up-to-date and reliable promo codes:

  • Active Contributors (Last 30 days): 4,962
  • Codes Added (Last 30 days): 132,536
  • Codes Tested (Last 30 days): 1,015,197
  • Number of Working Codes: 1,206,472
  • Number of Merchants With Working Codes: 103,799

These numbers showcase our commitment to providing a comprehensive and dependable promo code platform, helping shoppers save money on their online purchases.