Vacations to Go offers a Carnival Cruise 7-Night Caribbean Cruise for Two with prices starting at $798, as provided by ShermansTravel. (If prompted, sign up for the free newsletter to see this deal.) That's tied with our October mention as the second least-expensive 7-night Caribbean cruise we've seen on Carnival this year. It's also a current low for this cruise by $370. This roundtrip cruise departs from San Juan, Puerto Rico, on February 2, 2014 with stops in St. Thomas, U.S. Virgin Islands; Barbados; St. Lucia; St. Kitts; and St. Maarten. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. This travel deal ends December 15.