Father’s Day is just around the corner on June 16, and if you want to celebrate Dad this year, get him a gift that will keep on giving. For globetrotting dads, you can’t do much better than a Dollar Flight Club Premium Plus+ Plan. During our Father’s Day Sale, you can get a lifetime membership for just $69.99. Dollar Flight Club is a leading flight alert service, with more than one million members worldwide. With this intuitive service, all Dad has to do is input his departure airport(s) and Dollar Flight Club will scour sources to find the best deals to destinations all over the world. When t…