Royal Caribbean's cancellation policy allows a full refund if you cancel up to 75 days before departure (1-877-350-4939). You will get a full refund if you notify Royal Caribbean at least 75 days prior to your sailing date (60 days for 3 and 4-night cruises or 90 days for holiday sailings).Cancellations within 24 hours of booking may be eligible for a full refund. For more details, call 1-877-350-4939 (USA) or +44-203-900-3980 (UK).
https://knowt.com/note/49f0d3bb-4ca0-4c47-aa9e-6452872ab89c/RCCL24-hour-risk-free-cancellation-
