August can be a great time to fly to Puerto Rico from Islip, New York with a flight ticket averaging about $240. Cheapflights users have found deals in the month of August for as cheap as $66. The most expensive prices can be found in the month of December.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 14 days in advance, which can save you up to 3% on flights from Islip, New York to Puerto Rico compared to booking the week you need them. Waiting 14 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $204. For sooner than that we have options available in the next 3 days from $215.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Puerto Rico as you normally would.
||$180||$440||No cancel fee||62%|
||$213||$338||No cancel fee||62%|
||$424||$658||No cancel fee||71%|