How can I redeem the future cruise vouchers I purchased while on board the ship? May 30, 2023 18:00 Updated Future cruise vouchers can be applied to your next cruise once your trip is booked and the deposit is paid in full. Related articles What is the cheapest month of the year to go on a cruise? What are the benefits of booking my next cruise while on board my cruise? Should I take my kids on a cruise? What do I need to do after booking my cruise? Can I add additional guests to my room after my reservation is confirmed?