8. San Diego, CA
San Diego on a budget can be the best vacation ever. The beaches and sunsets in San Diego make it a highly desirable summer vacation destination. Choose one of the many budget friendly hotels a bit off the beach or a motel in downtown to save the most money. San Diego also offers a variety of things to see and enjoy that are absolutely free. Do your research before your visit to find out when the variety of street fairs, concerts, art shows and much more are happening. And of course the 70 miles of beach is always open to the public and perfect for family fun.