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? Cruise Packing List | Everything you need to pack for your cruise to Alaska All Cruise Ports and Directions How much money should I bring on a cruise? What can I do on a cruise to Cozumel, Mexico?