Spirit Airlines offers roundtrip flights to San Juan, Puerto Rico from select cities in the U.S. with prices starting at $104.98, as provided by ShermansTravel. (Click on "Spirit Airlines" in the main paragraph to see this rate; all taxes are included.) That's the lowest current rate we could find for select routes to San Juan by $10. This price is valid on flights departing from Fort Lauderdale, FL, (FLL) to San Juan, Puerto Rico, (SJU) on February 19; prices vary depending on the departure cities and dates chosen. Blackout dates may apply. Book this travel deal by February 15 for travel through May 31. Other notable deals:

Atlanta (ATL) to San Juan (SJU) from $258.98

Boston (BOS) to San Juan (SJU) from $418.98

Los Angeles (LAX) to San Juan (SJU) from $458.98

see all available Spirit Airlines fares