Costa Diadema sails 3 nights from Barcelona, Spain, departing October 31, 2026, with 3 ports of call and no sea days. Operated by Costa Cruises. The lowest fare we found today is 239 € per person, on the Austria market. 8 of the 8 markets we track currently list this sailing. Over the last 400 days this market's fare has ranged from 239 € to 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.
No sea days on this route.
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.