Costa Diadema sails 15 nights from Lisbon, Portugal, departing November 8, 2026, with 7 ports of call and 8 sea days. Operated by Costa Cruises. The lowest fare we found today is 919 € per person, on the France market. 8 of the 8 markets we track currently list this sailing.
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.
8 sea days are part of the plan.
Per person, one reading a day from the line's own site.
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