$0.50 off One Dannon OIKOS 5.3oz Single-Serve ($.50 at Kroger and Walmart!) Posted by Harbor Master on 1 August 2017, 9:31 am Tweet The Coupon Expires. 30 days from print (The print limit is two) Click here to print $0.50 off One OIKOS 5.3oz Single-ServeĀ Both Walmart and Kroger sell Dannon Okios 5.3 oz Single Serve for $1. $.50 each after the coupon above.