Stonyfield Greek Yogurt Coupon $1.10 06/19/2012 By Charlene 2 Comments This post may contain affiliate links, please see my disclosure policy. There is a new Stonyfield YoKids Greek Yogurt coupon for $.55 off. If you like the coupon, the value increases to $1.10. That is actually a really nice coupon for Greek Yogurt. You can find more coupons you might need in the coupon database.