Costa Diadema sails 12 nights from Copenhagen, Denmark, departing September 12, 2026, with 9 ports of call and 3 sea days. Operated by Costa Cruises.
Costa Diadema · Photo: Costa CruisesPer person, as listed by the cruise line; taxes and fees vary by market. Bars are in euro so the markets compare on one scale.
3 sea days are part of the plan.
Per person, one reading a day from the line's own site.
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Same ship and length within eight weeks of this sailing, in the USA market.