Vacations to Go offers a Carnival Cruise 7-Night Western Caribbean Cruise for Two with prices starting at $698. (If prompted, sign up for the free newsletter to see this deal.) That's the second-lowest price we've seen for any 7-night cruise from Carnival. It's also a current low for this cruise by $120. This roundtrip cruise departs from Miami, FL, on April 13 with stops in Grand Cayman, Cayman Islands; Cozumel, Mexico; Belize City, Belize; and Roatan Islands, Honduras. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. This travel deal ends April 12.