Most of the time, what the industry calls a "Cruise Vacation" is called for. I did a search for long cruises, 11/23, and then by price. In my experience, the lines are pretty similar. The frequent guest programs are useless, so once you get invited to the basic loyalty party, the rest of the perks are pretty boring. The Constellation is a lovely ship, and we had fond memories of an amazing trip to the Med years ago.
This 12 day run goes to some new countries and ports for us- C