$1 Burger King smoothies Expired Aug 312012 If you're new here, you may want to subscribe to our free daily newsletter. Thanks for visiting! Fruit smoothies are $1 at participating Burger King shops Labor Day weekend. The selection is Raspberry, Strawberry Banana and Tropical Mango. The offer is available to September 3 If you enjoyed this post, make sure you subscribe to my RSS feed! Comments are closed.