San Juan

Cheap flights from Islip (ISP) to San Juan (undefined)

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

Find a great deal and save up to 3% by booking at least 14 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip, New York to San Juan within the next two weeks, with the cheapest ticket starting at $204.

What is the cheapest month to fly from Islip, New York to San Juan?

Our data shows that August tends to be the cheapest month to fly to San Juan from Islip, New York. Users have commonly found prices around $240 for the month, but tickets can be as low as $66. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Islip, New York to San Juan (ISP - PR1)?

When flying from Islip, New York to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Islip to San Juan in January, February 2022

The best prices found for ISP to San Juan flights for January, February
Feb 10 - Feb 15
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

15h 04m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

8h 30m
$158

Multiple Airlines

View Deal

Deal found 1/26/22

Feb 12 - Mar 3
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

9h 27m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

18h 30m
$172

Multiple Airlines

View Deal

Deal found 1/24/22

Feb 25 - Mar 1
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 48m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

23h 16m
$177

Frontier

View Deal

Deal found 1/24/22

Islip to San Juan 2022 flight deals

Cheap flights to San Juan from Islip found for this year
Apr 19 - Apr 25
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 39m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

10h 47m
$126

Frontier

View Deal

Deal found 1/25/22

Apr 12 - Apr 18
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 39m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

10h 47m
$135

Frontier

View Deal

Deal found 1/26/22

Mar 23 - Mar 29
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 34m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

8h 22m
$145

Frontier

View Deal

Deal found 1/24/22

Last minute flights from Islip to San Juan

Late deals on return flights to San Juan from Islip, departing today and this week
Feb 4 - Feb 7
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

8h 49m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

18h 38m
$198

Frontier

View Deal

Deal found 1/24/22

Feb 4 - Feb 7
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

2 stops

20h 25m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

13h 38m
$217

Multiple Airlines

View Deal

Deal found 1/24/22

Feb 4 - Feb 6
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

3 stops

29h 53m
SJU

San Juan Luis Munoz Marin Intl

ISP

Islip Long Island

1 stop

10h 51m
$230

Multiple Airlines

View Deal

Deal found 1/24/22

One-way flights to San Juan from Islip

The cheapest one-way flights from Islip to San Juan
Feb 13
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

1 stop

7h 57m
$82

Frontier

View Deal

Deal found 1/24/22

Feb 19
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

2 stops

21h 08m
$108

Multiple Airlines

View Deal

Deal found 1/25/22

Feb 21
ISP

Islip Long Island

SJU

San Juan Luis Munoz Marin Intl

2 stops

20h 25m
$109

Multiple Airlines

View Deal

Deal found 1/25/22

Related info for your journey

Useful info, stats and facts about Islip to San Juan flights.

What airport do you fly from for flights from Islip to San Juan?

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 San Juan. 4 airlines have flights from Long Island to San Juan on a regular basis. Booking flights from Islip Long Island to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

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

Frontier, American Airlines, and JetBlue are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Islip, New York to San Juan for under $200 on Cheapflights?

Yes, there are multiple flights from Islip, New York to San Juan for under $200. The cheapest flight booked recently is on Frontier for just $126, but on average you can expect to pay $180.

Are there last-minute flights available from Islip, New York to San Juan for under $200?

There are currently 16+ open flights from Islip, New York to San Juan within the next 7 days for less than $200.

What is the cheapest airline to fly from Islip, New York to San Juan round-trip?

Currently priced at $126, Frontier will fly you from Islip, New York to San Juan and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Frontier is currently priced 71% below the average price you’ll pay for this route.

What are the most popular airlines that fly from Islip, New York to San Juan?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Islip, New York to San Juan.

What are the cheapest flights from Islip, New York to San Juan?

While on average a flight from Islip, New York to San Juan is generally $349, our data shows the cheapest flight currently is $112. When looking at the most popular route, (Islip Long Island - San Juan Luis Munoz Marin Intl), you can expect to pay $126 for that flight.

Can I fly to San Juan from Islip Long Island right now?

Information is based on travel restrictions from Islip Long Island to San Juan

Most visitors from Islip Long Island need to provide a negative COVID-19 test result and/or quarantine to enter San Juan.

COVID-19 testing requirements
Visitors from Islip Long Island must present a negative RT-PCR (NAAT) test taken 72 for RT-PCR (NAAT) and 24 Antigen (quick-test) hours before departing to San Juan.

Quarantine requirements
Visitors from Islip Long Island are not required to quarantine after entering San Juan.

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


Can I fly back to Islip Long Island from San Juan?

Returning to Islip Long Island from San Juan

COVID-19 testing requirements
Visitors from San Juan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Islip Long Island.

Quarantine requirements
Visitors from San Juan are not required to quarantine after entering Islip Long Island.

Alternative routes for Islip to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Islip to San Juan

The chart below displays the airlines Cheapflights users traveling from Islip to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Frontier
Cheapest$117
Average$251
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
American Airlines
Cheapest$192
Average$634
FlexibilityNo cancel fee
On-time71%
COVID-19 safety

Hourly flight availability from Islip to San Juan

See what time of day planes typically take off from Islip to San Juan
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Islip to San Juan

See how many times per day planes take to the skies headed from Islip to San Juan
Sunday1daily flight
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday0daily flights