CheapCruises offers a Celebrity Cruises 7-Night Eastern Caribbean Cruise for Two with prices starting from $798. That's the lowest current price we could find by $100 and the best price we've seen for any week-long Celebrity cruise this year. This roundtrip cruise aboard the Celebrity Silhouette departs on December 4 from Ft. Lauderdale, FL, with stops in San Juan, Puerto Rico; St. Thomas, U.S. Virgin Islands; and Philipsburg, St. Maarten. Book this travel deal by December 3.