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Islip

$142+ Cheap flights from Puerto Rico to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ISP
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Puerto Rico to Islip

Keep the following information in mind while searching for Puerto Rico to Islip flight deals. Data was last updated July 3, 2025.

Round-trip from

$180
(Cheapflightsfares)

One-way from

$142
(Frontier)

Popular in

July

Cheapest in

February

Average price

$267
From Puerto Rico to Islip Long Island
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One-way flight from Puerto Rico to Islip Long Island
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Puerto Rico to Islip

Cheapest flights from Puerto Rico to Islip
Explore the most affordable flight options available from Puerto Rico to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/13:39 amSJU - ISP
1 stop7h 01mFrontier
Mon 10/65:05 pmISP - SJU
1 stop6h 47mFrontier
Deal found 7/1$180
This JetBlue deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:00 amSJU - ISP
1 stop8h 44mJetBlue
Wed 9/2411:35 amISP - SJU
1 stop8h 44mJetBlue
Deal found 7/3$434
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:30 amSJU - ISP
2 stops8h 15mSouthwest
Sun 7/277:00 amISP - SJU
1 stop9h 40mSouthwest
Deal found 7/3$525

Cheapflights Fare Finder

Customize your flight search to find flights from Puerto Rico to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Puerto Rico to Islip that are best for you.

Fly from

Puerto Rico

Fly to

Islip

Route

Depart

Return

Price

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Wed 10/1

3:39 am-10:40 am

1 stop7h 01m

Islip Long Island

Mon 10/6

5:05 pm-11:52 pm

1 stop6h 47m

$180

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 9/19

6:00 am-2:44 pm

1 stop8h 44m

Islip Long Island

Wed 9/24

11:35 am-8:19 pm

1 stop8h 44m

$434

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 7/25

6:30 am-2:45 pm

2 stops8h 15m

Islip Long Island

Sun 7/27

7:00 am-4:40 pm

1 stop9h 40m

$525

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 7/24

1:21 am-1:24 pm

2 stops12h 03m

Islip Long Island

Sun 7/27

7:39 pm-12:06 am

3 stops28h 27m

$918

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Wed 7/16

9:30 am-7:52 pm

1 stop10h 22m

$142

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 8/8

5:01 am-12:00 pm

1 stop6h 59m

$190

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Tue 9/2

2:11 am-8:01 pm

2 stops17h 50m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Puerto Rico to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Puerto Rico with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to Islip

What is the cheapest month to book a flight from Puerto Rico to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Islip, New York (average of $108). Flying from Puerto Rico to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Puerto Rico to Islip, such as Southwest, JetBlue, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,284 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    If you book a flight to Islip from Puerto Rico, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • Can I find deals for flights from Puerto Rico to Islip that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Islip.

  • Can I find deals for business class flights from Puerto Rico to Islip?

    Yes. Cheapflights offers flight deals from Puerto Rico to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Puerto Rico to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Puerto Rico to Islip, New York (average of $108). Flying from Puerto Rico to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Puerto Rico?

Book flights to Puerto Rico if you plan to visit one of these locations
Southampton
Riverhead

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