Walgreens Coupon Policy (Updated for 2020) - New Coupons and Deals In addition to this guideline, they will not accept any competitor's coupons. Keep in mind that you can still use manufacturers coupons at any store! Walgreens does not accept expired coupons. Coupons expire at 11:59 p.m. on the expiration date at the point of sale, whether in-store or online.