Costa Diadema sails 2 nights from Barcelona, Spain, departing October 3, 2027, with 2 ports of call and 2 sea days. Operated by Costa Cruises. The lowest fare we found today is $129 per person, on the USA market. 4 of the 4 markets we track currently list this sailing. Over the last 400 days this market's fare has ranged from $129 to $130.
To book at another market's price, use a VPN or proxy for that market. Otherwise, the cruise line may redirect you to your home market and show different pricing.
Track the lowest available price over time