Cruise.com via ShermansCruise offers a Carnival Cruise 5-Night Bahamas Cruise for Two with prices starting at $828. (Scroll to the bottom of the landing page and click "Book Now" next to the May 21 sailing date.) That's the lowest price we could find by $20. This roundtrip cruise aboard the Carnival Elation departs from Jacksonville, FL, on May 21. Book this travel deal by April 30.