Tracked by Evreward since 2009, Numi Organic Tea offers coupons, cash back rebates and rewards, with savings as high as 30% off. Numi Organic Tea discount coupons are rare, only available once or twice a year, but are often more valuable than similar merchants. Even when Numi Organic Tea doesn't have a coupon, you can always get up to 10% cash back, and other great rewards, with every purchase.