To cancel a Royal Caribbean cruise, you can call their customer service line at +1-855-732-4023 or +1-808-900-8011. This line is available Monday-Sunday from 7am-2am (EST).

+1-855-732-4023 or +1-808-900-8011: A general cancellation support line listed in some resources.

+1-855-732-4023 or +1-808-900-8011: For pre-cruise planning assistance with a reservation that has been paid for.

+1-855-732-4023 or +1-808-900-8011: For group reservations (8 or more staterooms), available Monday-Friday 9am-7pm / Sat 9am-6pm (EST).