Find trips to San Juan, Puerto Rico using our powerful search engine. We search over 150 different sites around the world to ensure you find cheap fares to you're looking for. You'll find cheap fares to to San Juan, Puerto Rico from your favorite airlines, including United Airlines, American Airlines, Delta Airlines, British Airways, and many more. We also search low-cost airlines, such as Wizz Air, EasyJet, and RyanAir.