Vacations to Go offers a Royal Caribbean 5-Night Western Caribbean Cruise for two with prices starting from $576. (If prompted, sign up for the free newsletter to see this deal.) That's the lowest total price we could by $260 and the best price we've seen for any Royal Caribbean cruise under a week. This roundtrip cruise aboard the Liberty of the Seas departs from Fort Lauderdale, FL, with stops in Labadee, Haiti, and Ocho Rios, Jamaica. Book this travel deal by April 4.