Vacations to Go offers a Carnival Cruise 7-Night Western Caribbean Cruise for two with prices starting at $858. That's the lowest price we could find by $100. This roundtrip cruise aboard the Carnival Breeze departs from Galveston, TX, on March 4 with stops in Cozumel, Mexico; Belize City, Belize; and Roatan, Honduras. Book this travel deal by March 4.