Cheap flights from Islip (ISP) to Puerto Rico

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Islip (ISP) to Puerto Rico

All the information you need to plan the best ISP to SJU flight in 2022: compare Islip to Puerto Rico flight prices with the expected peak season, weather and rainfall in Puerto Rico.
What is the cheapest month to fly from Islip, New York to Puerto Rico?

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.

How far in advance should I book a flight from Islip, New York to Puerto Rico?

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.

When is the cheapest time to fly from Islip, New York to Puerto Rico (ISP - PR)?

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.

Cheap flights from Islip to Puerto Rico in May, June 2022

The best prices found for ISP to Puerto Rico flights for May, June
28 May - 5 Jun
$396pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
ISP
Islip Long Island
22 May - 28 May
$449pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
ISP
Islip Long Island
28 May - 5 Jun
$465pp
ISP
Islip Long Island
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
American Airlines
   
2 STOPS
ISP
Islip Long Island

Islip Long Island to Puerto Rico 2022 flight deals

Cheap flights to Puerto Rico from Islip found for this year
9 Sep - 21 Sep
$365pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
American Airlines
   
2 STOPS
ISP
Islip Long Island
28 May - 5 Jun
$396pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
ISP
Islip Long Island
14 Oct - 22 Oct
$422pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
American Airlines
 
1 STOP
ISP
Islip Long Island

Last minute flights from Islip to Puerto Rico

Late deals on round-trip flights to Puerto Rico from Islip, departing today and this week
28 May - 5 Jun
$396pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
ISP
Islip Long Island
28 May - 5 Jun
$449pp
ISP
Islip Long Island
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
ISP
Islip Long Island
28 May - 5 Jun
$465pp
ISP
Islip Long Island
Multiple Airlines
   
2 STOPS
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
American Airlines
   
2 STOPS
ISP
Islip Long Island

One-way flights to Puerto Rico from Islip

The cheapest one-way flights from Islip to Puerto Rico
2:00 am - 6:59 pm
Frontier
1 Stop
16h 59m
ISP - SJU
Frontier
$618
Flights by SU
2:15 am - 6:54 pm
American Airlines
2 Stops
16h 39m
ISP - SJU
American Airlines
4:30 am - 3:29 pm
Multiple Airlines
3 Stops
34h 59m
ISP - SJU
Multiple Airlines
$1,850
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Islip</span> to <span class="emphasized">Puerto Rico</span> flights.

Flight FAQs

From Islip to Puerto Rico

What airport do you fly from for flights from Islip to Puerto Rico?

Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Puerto Rico.

Which airlines flying from Islip Long Island to Puerto Rico have flexible cancellations due to COVID-19?

Some of our airline partners flying from Islip Long Island to Puerto Rico have new flexible policies in place due to COVID-19. Frontier, American Airlines, and JetBlue are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Frontier with this kind of flexibility.

Can I find flights from Islip, New York to Puerto Rico for under $400 on Cheapflights?

Yes, there are multiple flights from Islip, New York to Puerto Rico for under $400. The cheapest flight booked recently is on American Airlines for just $365, but on average you can expect to pay $529.

Are there last-minute flights available from Islip, New York to Puerto Rico for under $400?

There are currently 20+ open flights from Islip, New York to Puerto Rico within the next 7 days for less than $400.

What are the most popular airlines that fly from Islip, New York to Puerto Rico?

Consider American Airlines, JetBlue or Frontier when booking your flight. These represent the most popular airlines when flying from Islip, New York to Puerto Rico.

What are the cheapest flights from Islip, New York to Puerto Rico?

While on average a flight from Islip, New York to Puerto Rico is generally $197, our data shows the cheapest flight currently is $133. When looking at the most popular route, (Islip Long Island - San Juan Luis Munoz Marin Intl), you can expect to pay $396 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Puerto Rico

Do I need a COVID test to fly to Puerto Rico from Islip?

Information is based on travel restrictions from Islip Long Island to Puerto Rico

Most visitors from Islip Long Island can enter Puerto Rico without restrictions.

COVID-19 testing requirements
Visitors from Islip Long Island are not required to present a negative COVID-19 PCR test or antigen result upon entering Puerto Rico.

Quarantine requirements
Visitors from Islip Long Island are not required to quarantine after entering Puerto Rico.

Documents
Travel Declaration Form - Must be completed prior to travel to Puerto Rico.


Do I need a test to fly back to Islip from Puerto Rico?

Returning to Islip Long Island from Puerto Rico

COVID-19 testing requirements
Visitors from Puerto Rico are not required to present a negative COVID-19 PCR test or antigen result upon entering Islip Long Island.

Quarantine requirements
Visitors from Puerto Rico are not required to quarantine after entering Islip Long Island.

Hide COVID Travel Restrictions for Puerto Rico

Destination points for flights from Islip to Puerto Rico

Select to see more specific information for flights from Islip to all places in Puerto Rico.

Destination information for Puerto Rico

Things to know before you go - useful duration and weather info for your trip from Islip to Puerto Rico.
Today's exchange rate
$1 = $1.00

Airports servicing Islip

Airports servicing

Culebra (CPX)
Mayagüez Eugenio M De Hostos (MAZ)
Ceiba J. Aponte de la Torre (NRR)
Ponce (PSE)
Vieques (VQS)

Top 3 airlines flying from Islip Long Island to Puerto Rico

The chart below displays the airlines Cheapflights users traveling from Islip to Puerto Rico choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$180 $440 No cancel fee 62%
JetBlue
$213 $338 No cancel fee 62%
American Airlines
$424 $658 No cancel fee 71%
Home Caribbean Puerto Rico Cheap flights from Islip to Puerto Rico