Are you looking for 18 day cruises that leave from New York, NY? As of today - May 1, 2025 - there are 6 such cruise options. These cruise options are offered by two cruise lines - Cunard (just 3 sailings, all of them on Queen Mary 2) and Princess (just 3 sailings, all of them on Island Princess).
In the following table you can see all 18 day cruises that depart from New York sorted by departure date.
