Old Navy Flip Flops ONLY $1 This post may contain affiliate links. Please see the full disclosure policy here. Posted on June 14, 2013 Written by Mary Leave a Comment Old Navy Flip Flops – ONLY $1!! From the Facebook Page: Old Navy Cardholders, you’re going to flip for the exclusive 1-day $1* Flip-Flop Pre-Sale. Come in June 15th, and choose your favorite solid color flip-flop for just a buck.