CheapCaribbean offers an All-Inclusive Antilles Sapphire Beach Resort and Marina 4-Night Flight and Hotel Package for Two in St. Thomas, U.S. Virgin Islands, with prices starting at $1,093.06, as provided by ShermansTravel. That's the cheapest 4-night St. Thomas vacation package we've seen in the past 12 months. It's also a current low for for this package by $349. This price is based on departure from Fort Lauderdale, FL, (FLL) with arrival in St. Thomas, USVI, (STT) on May 25; other departure cities are available for an additional cost. Some dates may be excluded and additional fees may apply. Book this travel deal by February 5 for travel April 21 through September 30.