Costco Coupon Book: October 2026

Looking for the Costco coupon book October 2026? This page lists current Member-Only Warehouse Savings from our deals file for Costco only. Valid dates are typically Sep 21 – Oct 18, 2026, with some online-only offers running through Oct 31.

Standout deals

• Lenovo IdeaPad 5 2-in-1 14" touchscreen laptop, 16GB/1TB — $300 off ($899.99) (Sep 21 – Oct 18)
• NewAge Products 6-pc garage cabinet set (online) — $200 off ($649.99) (Oct 1 – Oct 31)
• Dyson Gen5Detect cordless stick vacuum — $180 off (Sep 21 – Oct 18)
• All-Clad D3 13-pc stainless cookware set (online) — $150 off ($649.99) (Oct 1 – Oct 31)

Tip: Costco usually allows price adjustments within 30 days. Compare your local warehouse and costco.com—selection varies by club.

Costco deals from our October list

Pulled live from deals.json for Costco only. Category filters work on this page.

Club info first. Selected items may show a secondary Also on Amazon compare link (Associates tag warehousewi03-20). Affiliate disclosure.

Sources

• Costco October 2026 Member-Only Savings (Warehouse Savings) — Sep 21 – Oct 18, 2026 (online offers Oct 1 – 31). costcoguides.com, money.mat1926.com, www.dealnews.com

Last checked . Not affiliated with Costco. Always verify prices in-club or on the official site.

More warehouse club archives

Browse October 2026 pages (live deals) or November placeholders for each club, or return to the full filterable list.