Islip

$157+ Cheap flights from Puerto Rico to Islip, NY (ISP)

SJU — ISP
Dec 14 — Dec 211
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Cheap flight deals from Puerto Rico to Islip

Cheapest flights from Puerto Rico to Islip

Wed 12/24:07 pm -
1 stop22h 15m
Sun 12/66:10 pm -
1 stop7h 03m
Deal found 11/11$364
Fri 12/46:08 pm -
1 stop16h 21m
Sun 12/66:10 pm -
2 stops29h 57m
Deal found 11/11$368
Thu 12/1011:48 am -
1 stop6h 42m
Sun 12/136:15 pm -
1 stop15h 00m
Deal found 11/11$373
Wed 12/23:43 am -
1 stop10h 39m
Sun 12/66:10 pm -
1 stop24h 29m
Deal found 11/10$375
Wed 12/94:04 pm -
1 stop26h 26m
Sun 12/136:15 pm -
1 stop6h 58m
Deal found 11/9$406
Sun 12/208:16 pm -
1 stop15h 15m
Thu 1/79:18 pm -
1 stop11h 47m
Deal found 11/10$410
Thu 11/263:25 pm -
1 stop8h 15m
Sat 11/2812:10 pm -
1 stop7h 36m
Deal found 11/10$1,227
Thu 11/263:25 pm -
1 stop8h 15m
Sun 11/2912:36 pm -
1 stop7h 10m
Deal found 11/9$1,402
Sat 12/263:30 pm -
1 stop7h 20m
Mon 12/286:00 am -
1 stop7h 40m
Deal found 11/10$1,562

Find flight deals from Puerto Rico to Islip

Round-trip from

$344
(CheapOair)

One-way from

$157
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$344
From Puerto Rico to Islip Long Island
One-way flight from Puerto Rico to Islip Long Island
High demand for flights, 10% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Puerto Rico to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Sat 1/16

3:25 am-5:26 pm

1 stop15h 01m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$192

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Mon 11/23

3:55 am-3:45 pm

1 stop12h 50m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$203

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Thu 12/31

10:51 pm-10:31 am

1 stop12h 40m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$213

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Fri 11/20

10:21 pm-3:45 pm

1 stop18h 24m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$229

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Fri 11/27

7:17 am-3:45 pm

1 stop9h 28m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$270

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Mon 1/18

6:10 am-4:45 pm

1 stop11h 35m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$333

AguadillaIslip

BQN Aguadilla Borinquen - ISP Islip Long Island

BQNISP

Aguadilla Borinquen

Mon 2/15

11:20 pm-8:35 am

1 stop10h 15m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$348
Quickest round-trip

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Fri 12/11

3:50 pm-10:04 pm

1 stop7h 14m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$348

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Sun 1/3

8:16 pm-10:31 am

1 stop15h 15m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$351

San JuanIslip

SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island

SJUISP

San Juan Luis Munoz Marin Intl

Sat 12/5

4:04 pm-5:14 pm

1 stop26h 10m

Islip Long Island

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 26 resultsSorted by cheapest first
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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

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • 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.

  • How long is the flight from Puerto Rico to Islip, New York?

    For as low as $1,227, Frontier can have you in Islip, New York from Puerto Rico in 8h 15m. There are 1579 mi between Puerto Rico and Islip, New York. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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