The best price found from United States to Puerto Rico is on March 27th, 2019, travelling with Spirit Airlines. See more options, compare prices and book: search flights.
Puerto Rico is the most accessible island in the Caribbean. San Juan has air service from most major American hubs. There is very limited international service to other airports in Puerto Rico.
There are a few airports on the island that service international flights.
Luis Muñoz Marín International Airport (San Juan Airport; www.aeropuertosju.com) This is San Juan's main airport and where almost all flights arrive or depart.
Rafael Hernández Airport (Aguadilla Airport; http://aguadilla.airport-authority.com) Aguadilla's airport receives a few international flights, with several airlines flying to New York, Newark and Orlando from here. Other mainland US destinations are served too, with specific routes changing frequently. A few other Caribbean destinations such as Santo Domingo, St Lucia and Aruba are also served.
Small planes fly to the British Virgin Islands from Isla Grande Airport (Fernando Luis Ribas Dominicci Airport), Benjamín Rivera Noriega Airport (Culebra Airport) and Antonio Rivera Rodríguez Airport (Vieques Airport).
Most major destinations in mainland US are served by airlines including American Airlines, United, Delta, Spirit, LATAM, Air Canada, Emirates, Air France, KLM and British Airways. Other direct international routes of interest include London and Oslo (Norwegian), Frankfurt (Condor) plus St Thomas in the US Virgin Islands and Santo Domingo in the Dominican Republic (Seabourne Airlines).
There is no departure tax to pay when leaving from an airport in Puerto Rico.