Carnival Cruise offers a Carnival Cruise 3-Night Bahamas Cruise for Two bundled with a $50 onboard credit with prices starting at $418, as seen on Travelzoo. Assuming you use the credit, that's the lowest price we could find for this cruise by $50. This roundtrip cruise departs from Miami, FL, on March 28 with one stop in Nassau, Bahamas. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. Book this travel deal by March 31.