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Cheap flights from Puerto Rico to New York from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to New York departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Puerto Rico to New York

Recent round-trip flight deals from Puerto Rico to New York

Enter your travel dates to find the best prices.
Frontier Logo
3:00 am - 9:33 am
SJU
-
ISP
6h 33m
1 stop
Frontier Logo
4:13 pm - 1:50 am
ISP
-
SJU
9h 37m
1 stop
$370Frontier
Thu, Sep 17 - Thu, Oct 1
JetBlue Logo
4:30 pm - 11:22 pm
SJU
-
ISP
6h 52m
1 stop
JetBlue Logo
7:00 am - 3:23 pm
ISP
-
SJU
8h 23m
1 stop
$377JetBlue
Thu, Oct 1 - Sun, Oct 4
Frontier Logo
3:00 am - 9:33 am
SJU
-
ISP
6h 33m
1 stop
Frontier Logo
4:13 pm - 1:50 am
ISP
-
SJU
9h 37m
1 stop
$414Frontier
Wed, Sep 30 - Sat, Oct 3
Frontier Logo
8:37 pm - 9:53 am
SJU
-
ISP
13h 16m
1 stop
Frontier Logo
10:57 am - 7:42 pm
ISP
-
SJU
8h 45m
1 stop
$416Frontier
Thu, Jul 23 - Wed, Jul 29
Frontier Logo
9:49 pm - 9:33 am
SJU
-
ISP
11h 44m
1 stop
Frontier Logo
4:13 pm - 1:53 am
ISP
-
SJU
9h 40m
1 stop
$425Frontier
Thu, Oct 15 - Sun, Oct 18
Frontier Logo
6:05 am - 3:03 pm
SJU
-
ISP
8h 58m
1 stop
Frontier Logo
3:43 pm - 2:50 am
ISP
-
SJU
10h 07m
1 stop
$426Frontier
Tue, Oct 13 - Mon, Nov 2
Frontier Logo
3:10 am - 9:53 am
SJU
-
ISP
6h 43m
1 stop
Frontier Logo
10:57 am - 7:42 pm
ISP
-
SJU
8h 45m
1 stop
$440Frontier
Fri, Jul 31 - Wed, Aug 5
Frontier Logo
3:10 am - 9:53 am
SJU
-
ISP
6h 43m
1 stop
Frontier Logo
10:57 am - 7:52 pm
ISP
-
SJU
8h 55m
1 stop
$464Frontier
Sat, Aug 29 - Mon, Aug 31
Frontier Logo
2:58 am - 9:33 am
SJU
-
ISP
6h 35m
1 stop
Frontier Logo
3:43 pm - 1:50 am
ISP
-
SJU
10h 07m
1 stop
$481Frontier
Sat, Oct 24 - Fri, Oct 30
Multiple Airlines Logo
2:59 pm - 9:32 pm
SJU
-
ISP
7h 33m
1 stop
Multiple Airlines Logo
9:56 am - 3:06 pm
ISP
-
SJU
28h 10m
1 stop
$509Multiple Airlines
Fri, Dec 4 - Sun, Dec 6

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Frontier flights from Puerto Rico to Islip, New York

Our best Frontier deals on Puerto Rico to Islip, New York flight tickets
Frontier
Sep 17
SJU3:00 amSan Juan Luis Munoz Marin Intl
6h 33m
1 stop
ISP9:33 amIslip Long Island
Oct 1
ISP4:13 pmIslip Long Island
9h 37m
1 stop
SJU1:50 amSan Juan Luis Munoz Marin Intl
$370
Frontier
Sep 30
SJU3:00 amSan Juan Luis Munoz Marin Intl
6h 33m
1 stop
ISP9:33 amIslip Long Island
Oct 3
ISP4:13 pmIslip Long Island
9h 37m
1 stop
SJU1:50 amSan Juan Luis Munoz Marin Intl
$414
Frontier
Jul 23
SJU8:37 pmSan Juan Luis Munoz Marin Intl
13h 16m
1 stop
ISP9:53 amIslip Long Island
Jul 29
ISP10:57 amIslip Long Island
8h 45m
1 stop
SJU7:42 pmSan Juan Luis Munoz Marin Intl
$416

JetBlue flights from Puerto Rico to Islip, New York

Our best JetBlue deals on Puerto Rico to Islip, New York flight tickets
JetBlue
Oct 1
SJU4:30 pmSan Juan Luis Munoz Marin Intl
6h 52m
1 stop
ISP11:22 pmIslip Long Island
Oct 4
ISP7:00 amIslip Long Island
8h 23m
1 stop
SJU3:23 pmSan Juan Luis Munoz Marin Intl
$377
JetBlue
Aug 29
SJU2:20 amSan Juan Luis Munoz Marin Intl
6h 45m
1 stop
ISP9:05 amIslip Long Island
Aug 31
ISP6:00 amIslip Long Island
6h 48m
1 stop
SJU12:48 pmSan Juan Luis Munoz Marin Intl
$511
JetBlue
Jul 25
SJU2:20 amSan Juan Luis Munoz Marin Intl
8h 21m
1 stop
ISP10:41 amIslip Long Island
Jul 30
ISP11:31 amIslip Long Island
9h 14m
1 stop
SJU8:45 pmSan Juan Luis Munoz Marin Intl
$722

momondo Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Islip, New York 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, momondo users made 832,500 searches. Data last updated July 11, 2026.
Use the filters below to find and compare flights from Puerto Rico to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 9/17

3:00 am-9:33 am

1 stop6h 33m

Islip Long Island

Thu 10/1

4:13 pm-1:50 am

1 stop9h 37m

$370
Quickest round-trip

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 10/1

4:30 pm-11:22 pm

1 stop6h 52m

Islip Long Island

Sun 10/4

7:00 am-3:23 pm

1 stop8h 23m

$377

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Wed 9/30

3:00 am-9:33 am

1 stop6h 33m

Islip Long Island

Sat 10/3

4:13 pm-1:50 am

1 stop9h 37m

$414

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 7/23

8:37 pm-9:53 am

1 stop13h 16m

Islip Long Island

Wed 7/29

10:57 am-7:42 pm

1 stop8h 45m

$416

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 10/15

9:49 pm-9:33 am

1 stop11h 44m

Islip Long Island

Sun 10/18

4:13 pm-1:53 am

1 stop9h 40m

$425

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Tue 10/13

6:05 am-3:03 pm

1 stop8h 58m

Islip Long Island

Mon 11/2

3:43 pm-2:50 am

1 stop10h 07m

$426

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 7/31

3:10 am-9:53 am

1 stop6h 43m

Islip Long Island

Wed 8/5

10:57 am-7:42 pm

1 stop8h 45m

$440

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 8/29

3:10 am-9:53 am

1 stop6h 43m

Islip Long Island

Mon 8/31

10:57 am-7:52 pm

1 stop8h 55m

$464

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 10/24

2:58 am-9:33 am

1 stop6h 35m

Islip Long Island

Fri 10/30

3:43 pm-1:50 am

1 stop10h 07m

$481

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 12/4

2:59 pm-9:32 pm

1 stop7h 33m

Islip Long Island

Sun 12/6

9:56 am-3:06 pm

1 stop28h 10m

$509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Puerto Rico to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Puerto Rico to Islip Long Island?

Frontier is the most popular carrier operating from Puerto Rico to Islip Long Island

What airlines fly to Islip, New York?

JetBlue, Frontier and Delta are the top three most popular airlines that fly to Islip, New York from Puerto Rico according to our data. JetBlue is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 5 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Puerto Rico to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Islip, New York

Fastest flight time

6h 52m

Direct flights

None
The fastest flight from Puerto Rico to Islip, New York takes 6h 52m
There are no direct flights from Puerto Rico to Islip, New York. There are no popular flight routes from Puerto Rico to Islip, New York.
Search flight deals

Frequently asked questions about flying from Puerto Rico to Islip, New York

  • When did momondo last update prices for flights from Puerto Rico to Islip Long Island Airport?

    Prices for flights from Puerto Rico to Islip Long Island Airport are updated daily.

  • How old do you have to be to fly from Puerto Rico to Islip Long Island Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Puerto Rico to Islip. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Puerto Rico to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Puerto Rico with this policy.

How can momondo help me find flights from Puerto Rico to Islip?

momondo provides multiple filters to help you find the best flight to Islip from Puerto Rico. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Puerto Rico to Islip right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Islip from Puerto Rico. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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