Use the Costa Diadema cruise schedule calendar below to find a Costa Diadema Cruise sailing by destination or departure port.
| Area | All | Nov 2026 | Dec 2026 | Jan 2027 | Feb 2027 | Mar 2027 | Apr 2027 | May 2027 | Jun 2027 | Jul 2027 | Aug 2027 | Sep 2027 | Oct 2027 | Nov 2027 | Dec 2027 |
| | | $609 | $459 | $972 | $952 | $491 | $686 | $1,034 | $1,178 | $1,245 | $1,198 | $361 | $824 | $1,010 | view |
| Mediterranean | $361 | $639 | | | | | $770 | | | | | $361 | | | |
| Mediterranean Western | $824 | | | | | | | | | | | $1,363 | $824 | $1,010 | |
| Scandinavia & Northern Europe | $999 | | | | | | $999 | $1,034 | $1,178 | $1,245 | $1,198 | $1,158 | | | |
| South America | $459 | $609 | $459 | $972 | $952 | $491 | $686 | | | | | | | | |
| Transatlantic | view | | | | | | view | | | | | | | | |
Prices represent the lowest available price for a given sailing date, area, and/or month. All prices USD.