Costa Diadema Cruise List

There are currently 23 upcoming cruises on Costa Cruise Line's Costa Diadema. This includes all future itineraries through July 19, 2025. The next itinerary departs from Buenos Aires, Argentina. The average price for all upcoming sailings on the Costa Diadema is currently $153 per passenger, per day for the inside cabin type. The chart below shows the plotted prices of each sailing as well as the overall average for this ship.