Are you looking for 12 day cruises that leave from New York, NY? As of today - April 1, 2025 - there are 18 such cruise options. These cruise options are offered by four cruise lines - Norwegian (NCL) (total of 11 sailings, 7 on Norwegian Bliss, 3 on Norwegian Breakaway and 1 on Norwegian Escape), Seabourn (total of 3 sailings, 2 on Seabourn Sojourn and 1 on Seabourn Ovation), Cunard (just 2 sailings, both of them on Queen Mary 2) and Princess (just 2 sailings).
In the following table you can see all 12 day cruises that depart from New York sorted by departure date.