Costco: $10 Off $35 On Same Day Delivery With Promo Code SUMMERSAMEDAY25 (1/26-2/22)

Update 1/21/26: Offer is coming back for 1/26/26 – 2/22/26 for $10 off $35 with code WINTERSAMEDAY26. (ht reader Courtney)

The Offer

Direct link to offer

• Costco is offering $15 off $50+ on same day delivery orders when you use promo code WINTERSAMEDAY25.

Our Verdict

Need to be a Costco member to take advantage but still useful. Scheduling delivery worked last time. It will also accept Instacart gift cards that have been on sale for 20% off recently.

Deal History:

• Update 6/18/25: Offer is back for 6/18-7/20 with promo code SUMMERSAMEDAY25. There’s also a similar promo code for Costco for Business which you can do as well: BDSAMEDAY25.
• Update 1/28/25: Seems to be live now.
• Update 1/19/25: Deal is back from Jan 29- Feb 23