Are you looking for 9 day cruises that leave from Galveston, TX? As of today - April 4, 2025 - there are just 2 such cruise options. These cruise options are offered by just one cruise line - Royal Caribbean (total of 2 sailings, 1 on Jewel of the Seas and 1 on Mariner of the Seas).
In the following table you can see all 9 day cruises that depart from Galveston sorted by departure date.