Vacations to Go offers a Carnival Cruise 7-Night Caribbean Cruise for Two with prices starting at $798. (If prompted, sign up for the free newsletter to see this deal.) That's the fourth-cheapest 7-night Carnival cruise we've seen to the Caribbean in the past 12 months. It's also a current low for this cruise by $650. This roundtrip cruise departs from New Orleans, LA, on February 23 with stops in Montego Bay, Jamaica; Grand Cayman, Cayman Islands; and Cozumel, Mexico. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. This travel deal ends February 1.