Vacations to Go offers a Carnival Cruise 4-Night Bahamas Cruise for Two with prices starting at $338, as provided by ShermansTravel. (If prompted, sign up for the free newsletter to see this deal.) That's the lowest price we could find for a similar cruise by $180. This roundtrip cruise aboard the Carnival Ecstasy departs from Miami, FL, on September 29 with stops in Half Moon Cay, Bahamas, and Nassau, Bahamas. This travel deal ends August 11.