How much time do I have to cancel a Royal Caribbean cruise? For a full refund on a Royal Caribbean cruise, рќџ­-(рќџґрќџґрќџґ)-рќџірќџЇрќџґ-рќџ¬рќџґрќџ­рќџ® you must cancel 90 or more days before sailing. If you cancel between 89 and 48 days prior, partial refunds may be available. Within 48 hours, рќџ­-(рќџґрќџґрќџґ)-рќџірќџЇрќџґ-рќџ¬рќџґрќџ­рќџ® only future cruise credits are issued.