Vacations to Go offers a Carnival Cruise 6-Night Western Caribbean Cruise for Two with prices starting at $718. That's the lowest price we could find by $300, although we saw it for $20 less last week (since expired). This roundtrip cruise aboard the Carnival Conquest departs from Fort Lauderdale, FL, on April 12 with stops in Falmouth, Jamaica; Grand Cayman, Cayman Islands; and Cozumel, Mexico. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. This travel deal ends January 31.