Cruise.com via ShermansCruise offers a last minute Norwegian Cruise Line 6-Night Caribbean Cruise for Two, with prices starting from $658. (On the ShermansCruise landing page, scroll to the bottom and click "Book Now" next to the March 2 sailing date.) That's the lowest price we could find by $680. This roundtrip cruise aboard the Norwegian Pearl departs from New Orleans, LA, on March 2.