Vacations to Go offers a Royal Caribbean 4-Night Caribbean Cruise for Two bundled with a $50 onboard credit with prices starting at $538. (If prompted, sign up for the free newsletter to see this deal.) That's the third least expensive 4-night Royal Caribbean cruise we've seen to Cozumel this year. It's also a current low for this cruise by $210 (excluding the credit). This roundtrip cruise departs from Fort Lauderdale, FL, on November 14 with one stop in Cozumel, Mexico. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. This travel deal ends November 12.