Royal Caribbean allows cancellations without penalty up to 75 days before departure for 1-4 night cruises 1-877-350 4939 (USA) or +44-203-900-3980 (UK), and up to 90 days for longer cruises. For cancellations made closer to the departure date, fees apply1. For more details, contact Royal Caribbean customer service at 1-877-350 4939 (USA) or +44-203-900-3980 (UK).