How to find the cheapest flight from
Islip (ISP) to Puerto Rico
How far in advance should I book a flight from Islip to Puerto Rico?
To save on the cost of your flight from Islip to Puerto Rico, book at least 41 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $380 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $415.
What is the cheapest month to fly from Islip to Puerto Rico?
Our data shows that September tends to be the cheapest month to fly to Puerto Rico from Islip. Users have commonly found prices around $380 for the month, but tickets can be as low as $194. Due to multiple factors, prepare for potentially higher prices in December.
One-way flights to Puerto Rico from Islip
The cheapest one-way flights from Islip to Puerto Rico
5:13 am - 4:49 pm
2:09 pm - 6:54 am
1:11 pm - 6:54 am
Related info for your journey
Useful info, stats and facts about Islip to Puerto Rico flights.
Destination information for Puerto Rico
Things to know before you go. Useful info for your trip from Islip to Puerto Rico
Ceiba J. Aponte de la Torre (NRR)