CheapCruises offers a Carnival Cruise 4-Night Western Caribbean Cruise for Two with prices starting at $358. (Although CheapCruises advertises prices from $169 on this date, the price increases at checkout.) That's the lowest price we could find for any such short cruise in November by $20. This roundtrip cruise aboard the Carnival Victory departs from Miami, FL, on November 28 with stops in Key West, FL, and Cozumel, Mexico. Additional fees and taxes apply. This travel deal ends October 1.