Costa Diadema: 7 nights from Kiel

Costa Diadema sails this route on 2 dates between April and June 2027. A 7-night round trip from Kiel, sailing in the evening. It calls at Copenhagen, Flåm, Bergen and Aarhus, with two days at sea along the way. The stops are in Denmark and Norway, and calls last 8 to 10 hours. You're back in Kiel in the morning. Costa Diadema (2014) carries up to 3,724 guests on 14 decks.