Vacations to Go offers a Carnival Cruise 7-Night Western Caribbean Cruise for Two with prices starting at $818. (If prompted, sign up for the free newsletter to see this deal.) That's the lowest price we could find for any such November cruise by $80. This roundtrip cruise aboard the Carnival Freedom departs from Galveston, TX, on November 12 with stops in Cozumel, Mexico; Belize City, Belize; and Roatan, Honduras. This travel deal ends September 3.