The $1 Old Navy Flip Flop sale 2018 details have been released! Cardholders can shop on May 25 – 28, 2018 and get $1 flip flops. The sale opens up for everyone on June 15th. Cardholders can get $1 Old Navy Flip Flops during a weekend that is earlier than everyone else. As soon as we know those dates, we will be certain to update this post!