Tracked by Evreward since 2005, Uggs offers coupons, cash back rebates and rewards, with savings as high as 40% off. Uggs discount coupons are infrequent, only available a couple times per year, and can be less valuable than similar merchants. Even when Uggs doesn't have a coupon, you can always get up to 20% cash back, and other great rewards, with every purchase.