HUGE Sale on Cruises – $49 Per Night + MORE Travel Deals This post may contain affiliate links. Please see the full disclosure policy here. Posted on May 27, 2013 Written by Mary Leave a Comment Planning a cruise? Here is today’s email from Dunhill. Be sure to sign up HERE so you can get these great deals too: HOT – HUGE Memorial Day Sale on Cruises from Royal Caribbean, Norwegian Cruise Line, and Celebrity Cruises. Rates start at $49 per night. Plus, check out the luxury cruises too.