As an island, Puerto Rico only have two options to get there: flying and sailing. Flying is the fastest and sailing or by boat is the most enjoyable and slowest.
Because the heavy traffic between the continental US and the Islands, the cost for an airplane ticket roundtrip sometimes get as low as $200 in some seasons if you plan your trip and buy it upfront.
Flights to Puerto Rico came non-stop mostly from major cities in the United States, being the route from big cities were there is a hispanic puertorican community.
Atlanta, Boston, Chicago, Houston, New York, Miami, Orlando, Tampa and Philadelphia are the main flght gateways. From Europe, mainly Madrid and London.
If possible, try to arrive not later than early afternoon. Traffic is heavy in San Juan and taxis will be less negotiable for your trip to the hotel. Hotels here usually have a 4:00 PM to 10:00 AM night stay.
Airlines that serve direct flights to San Juan and the other destination, Aguadilla are usually: American Airlines, Continental, Delta, JetBlue, US Airways and United.
You can arrive to the beautiful coast of Puerto Rico Islands through cruises lines or by your own boat. The ports of Fajardo, Ceiba, Ponce and San Juan are very well known by boaters and sailors. From the US Virgin Islands or any other of the caribbean islands you can arrive by boat.
Another option by boat are the cruises and San Juan is a popular destination. For cruises follow our recommendations for short stays.
You just have to know that entering the Commonwealth of Puerto Rico is like doing so to the Unites States, so the Coast Guard will be inspecting your boat and asking for your papers. They are not so easy if something comes strange about your vessel. You can be stock in some hours if you raise a red flag. So be prepared to their inspection have your passport, Visa or any other document needed to enter a United States territory.