Costco Reveals Its Full Black Friday Ad and Sale Dates for 2026

Costco has officially revealed its annual Holiday Savings ad and you can already start browsing what will be discounted this year. Similar to other retailers, Costco is offering multiple waves of savings leading up to Black Friday and Cyber Monday . The first wave of sales kicked off on October 30 and will run through November 15. Costco Black Friday Sale Schedule According to Costco's official page, most the deals will be available both in-warehouse or online except for on Thanksgiving and Cyber Monday.