Today Only, Princess Cruises reduces deposits to $1 per cruise on select Princess Summer 2018 through Spring 2019 cruises as part of its Anniversary Sale. Plus, bag up to $600 Onboard Credit and Specialty Dining for four guests per stateroom for free. Some restrictions may apply; fees, taxes, and fuel supplements are additional. Save on sailings to the Caribbean, Alaska, Japan, South America, and more. Book this travel deal today.