Fare of the Day: Los Angeles, CA (LAX) to St. Thomas, US Virgin Islands (STT) $364 RT, including all taxes on American Airlines.
Travel on Tuesday, Wednesday, and Saturdays during a 330-day travel period, 7-day advance purchase. Two night minimum stay is required. We noticed that many Saturday dates had already been sold out, so you will need to be flexible with your arrangements. Found via AA.com and Travelocity.