Tracked by Evreward since 2011, D'Artagnan offers coupons, cash back rebates and rewards, with savings as high as $50 off. D'Artagnan discount coupons are infrequent, only available a couple times per year. Even when D'Artagnan doesn't have a coupon, you can always get up to 15% cash back, and other great rewards, with every purchase.