Costa Diadema sails 13 nights from Barcelona, Spain, departing October 19, 2026, with 8 ports of call and 3 sea days. Operated by Costa Cruises. The lowest fare we found today is 1.001 € per person, on the Austria market. 7 of the 7 markets we track currently list this sailing. Over the last 400 days this market's fare has ranged from 1.001 € to 1.319 €.
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 Austria market.