Expedia offers a Carnival Cruise 3-Night Bahamas Cruise for Two with prices starting at $180, as provided by Dunhill Travel. (It's the top offer on the page.) That's the lowest price we've seen for any 3-night Bahamas cruise. It's also a current low for this cruise by $238. This roundtrip cruise aboard the Carnival Sensation departs from Port Canaveral, FL, on December 4 with one stop in Nassau, Bahamas. Book this travel deal by November 30.