Costa Diadema: 3 nights from Barcelona

Costa Diadema sails this route on 2 dates between October 2026 and September 2027. A 3-night round trip from Barcelona, sailing in the afternoon. It calls at Marseille and Savona. The stops are in France and Italy, and each call lasts 9 hours. You're back in Barcelona in the afternoon. Costa Diadema (2014) carries up to 3,724 guests on 14 decks.