Vacations to Go offers a Carnival Cruise 7-Night Western Caribbean Cruise for Two with prices starting at $798. That's the lowest price we could find today for such a cruise by $100. This roundtrip cruise aboard the Carnival Splendor departs from Miami, FL, on November 26 with stops in Cozumel, Mexico; Belize City, Belize; Roatan, Honduras; and Grand Cayman, Cayman Islands. Book this travel deal by June 30.