Princess Cruises offers its all-inclusive Sip + Sail Beverage Package for free when booking a balcony or above on select cruises and cruisetours. (It's the first offer in the slideshow.) Plus, get an unlimited soda and more package for free for additional guests in your stateroom. Finally, through July 5 everyone gets specialty dining for free when booking a mini-suite or suite. Some exclusions apply. Book this travel deal by August 31.