Itineraries include transatlantic, Caribbean and Europe Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice The latest Princess Cruises ship has officially hit the high seas after embarking on its maiden voyage and there are plenty of exciting cruise itineraries offering