Tracked by Evreward since 2022, Robert Mondavi Winery offers coupons, cash back rebates and rewards, with savings as high as 10% off. Robert Mondavi Winery discount coupons are infrequent, only available a couple times per year. Even when Robert Mondavi Winery doesn't have a coupon, you can always get up to 20% cash back, and other great rewards, with every purchase.