What airlines fly to Puerto Rico?

JetBlue, United Airlines and Frontier are the top three most popular airlines that fly to Puerto Rico from Islip, New York according to our data. JetBlue is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 6 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

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

Frontier and JetBlue are the most popular carriers operating from Islip Long Island to Puerto Rico

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

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

How many operators does momondo search for flights from Islip Long Island Airport to Puerto Rico?

As of August 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Puerto Rico.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$132 Cheap Flights from Islip, New York to Puerto Rico in 2026

Find the cheapest flights from Islip, New York to Puerto Rico

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:43 pm - 9:35 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

15h 52m1 stop Orlando

2:57 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

14h 01m1 stop Orlando

$244Frontier

Tue, Sep 22 - Mon, Sep 28

5:43 pm - 1:52 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

8h 09m1 stop Orlando

2:57 am - 12:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

10h 01m2 stops Orlando Wilmington New Hanover County

$253Multiple Airlines

Tue, Sep 22 - Mon, Sep 28

5:43 pm - 9:35 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

15h 52m1 stop Orlando

2:57 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

14h 01m1 stop Orlando

$260Frontier

Fri, Sep 25 - Mon, Sep 28

5:43 pm - 1:52 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

8h 09m1 stop Orlando

2:57 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

14h 01m1 stop Orlando

$261Frontier

Fri, Sep 11 - Sun, Sep 13

6:25 pm - 1:53 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

7h 28m1 stop Orlando

10:39 am - 5:30 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

6h 51m1 stop Orlando

$264Frontier

Thu, Oct 15 - Sun, Oct 18

5:43 pm - 9:35 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

15h 52m1 stop Orlando

2:57 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

14h 01m1 stop Orlando

$264Frontier

Fri, Sep 25 - Mon, Sep 28

5:43 pm - 5:52 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

24h 09m1 stop Orlando

2:57 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

14h 01m1 stop Orlando

$264Frontier

Wed, Sep 16 - Fri, Sep 18

6:48 pm - 4:40 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

21h 52m1 stop Tampa

3:55 pm - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

25h 03m1 stop Orlando

$264Frontier

Fri, Sep 18 - Mon, Sep 21

3:10 pm - 12:20 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

9h 10m2 stops Baltimore/Washington Orlando

5:00 am - 2:30 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

9h 30m2 stops Orlando Baltimore/Washington

$346Southwest

Mon, Oct 26 - Fri, Oct 30

5:40 pm - 12:05 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

6h 25m1 stop Baltimore/Washington

6:00 am - 5:00 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

11h 00m2 stops Tampa Baltimore/Washington

$346Southwest

Mon, Oct 26 - Fri, Oct 30

Cheap last minute flights

Enter your travel dates to find the best prices.

1:00 pm - 12:56 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

35h 56m2 stops Myrtle Beach Intl Tampa

9:16 am - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 58m1 stop Orlando

$376Multiple Airlines

Mon, Aug 31 - Sun, Sep 6

10:57 am - 2:15 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

15h 18m1 stop Orlando

9:16 am - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 58m1 stop Orlando

$407Frontier

Mon, Aug 31 - Sun, Sep 6

2:28 pm - 12:56 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

34h 28m2 stops Raleigh-Durham Tampa

8:43 pm - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

21h 31m1 stop Orlando

$418Multiple Airlines

Mon, Aug 31 - Sat, Sep 5

2:28 pm - 12:56 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

34h 28m2 stops Raleigh-Durham Tampa

9:16 am - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 58m1 stop Orlando

$419Multiple Airlines

Mon, Aug 31 - Thu, Sep 3

2:28 pm - 12:56 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

34h 28m2 stops Raleigh-Durham Tampa

6:09 pm - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

24h 05m1 stop Orlando

$419Multiple Airlines

Mon, Aug 31 - Wed, Sep 2

2:28 pm - 12:56 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

34h 28m2 stops Raleigh-Durham Tampa

9:16 am - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 58m1 stop Orlando

$419Multiple Airlines

Mon, Aug 31 - Sun, Sep 6

10:57 am - 8:11 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

21h 14m1 stop Orlando

5:37 pm - 6:06 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

24h 29m2 stops Tampa Richmond Byrd Intl

$421Multiple Airlines

Sun, Aug 30 - Sat, Sep 5

7:09 pm - 2:15 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

7h 06m1 stop Orlando

9:16 am - 6:14 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 58m1 stop Orlando

$426Frontier

Mon, Aug 31 - Fri, Sep 4

1:15 pm - 10:10 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

8h 55m2 stops West Palm Beach President Donald J. Trump Intl Orlando

2:15 pm - 10:45 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 30m2 stops Orlando Baltimore/Washington

$621Southwest

Mon, Aug 31 - Sun, Sep 6

12:35 pm - 10:10 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

9h 35m2 stops Baltimore/Washington Orlando

6:00 am - 4:25 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

10h 25m2 stops Tampa Baltimore/Washington

$661Southwest

Thu, Aug 27 - Thu, Sep 3

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Frontier flights from Islip, New York to Puerto Rico

Our best Frontier deals on Islip, New York to Puerto Rico flight tickets

Frontier

Sep 22

ISP5:43 pmIslip Long Island

15h 52m

1 stop

SJU9:35 amSan Juan Luis Munoz Marin Intl

Sep 28

SJU2:57 amSan Juan Luis Munoz Marin Intl

14h 01m

1 stop

ISP4:58 pmIslip Long Island

$244

Frontier

Sep 25

ISP5:43 pmIslip Long Island

15h 52m

1 stop

SJU9:35 amSan Juan Luis Munoz Marin Intl

Sep 28

SJU2:57 amSan Juan Luis Munoz Marin Intl

14h 01m

1 stop

ISP4:58 pmIslip Long Island

$260

Frontier

Sep 11

ISP5:43 pmIslip Long Island

8h 09m

1 stop

SJU1:52 amSan Juan Luis Munoz Marin Intl

Sep 13

SJU2:57 amSan Juan Luis Munoz Marin Intl

14h 01m

1 stop

ISP4:58 pmIslip Long Island

$261

Southwest flights from Islip, New York to Puerto Rico

Our best Southwest deals on Islip, New York to Puerto Rico flight tickets

Southwest

Oct 26

ISP5:40 pmIslip Long Island

6h 25m

1 stop

SJU12:05 amSan Juan Luis Munoz Marin Intl

Oct 30

SJU6:00 amSan Juan Luis Munoz Marin Intl

11h 00m

2 stops

ISP5:00 pmIslip Long Island

$346

Southwest

Sep 25

ISP12:35 pmIslip Long Island

9h 40m

2 stops

SJU10:15 pmSan Juan Luis Munoz Marin Intl

Sep 29

SJU5:15 amSan Juan Luis Munoz Marin Intl

11h 45m

2 stops

ISP5:00 pmIslip Long Island

$354

Southwest

Sep 16

ISP6:05 amIslip Long Island

10h 20m

2 stops

SJU4:25 pmSan Juan Luis Munoz Marin Intl

Sep 19

SJU6:25 amSan Juan Luis Munoz Marin Intl

8h 05m

2 stops

ISP2:30 pmIslip Long Island

$409

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipSan Juan

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

ISPSJU

Islip Long Island

Tue 9/22

5:43 pm-9:35 am

1 stop15h 52m

San Juan Luis Munoz Marin Intl

Mon 9/28

2:57 am-4:58 pm

1 stop14h 01m

$244

IslipSan Juan

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

ISPSJU

Islip Long Island

Tue 9/22

5:43 pm-1:52 am

1 stop8h 09m

San Juan Luis Munoz Marin Intl

Mon 9/28

2:57 am-12:58 pm

2 stops10h 01m

$253

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 9/25

5:43 pm-9:35 am

1 stop15h 52m

San Juan Luis Munoz Marin Intl

Mon 9/28

2:57 am-4:58 pm

1 stop14h 01m

$260

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 9/11

5:43 pm-1:52 am

1 stop8h 09m

San Juan Luis Munoz Marin Intl

Sun 9/13

2:57 am-4:58 pm

1 stop14h 01m

$261

Quickest round-trip

IslipSan Juan

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

ISPSJU

Islip Long Island

Thu 10/15

6:25 pm-1:53 am

1 stop7h 28m

San Juan Luis Munoz Marin Intl

Sun 10/18

10:39 am-5:30 pm

1 stop6h 51m

$264

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 9/25

5:43 pm-9:35 am

1 stop15h 52m

San Juan Luis Munoz Marin Intl

Mon 9/28

2:57 am-4:58 pm

1 stop14h 01m

$264

IslipSan Juan

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

ISPSJU

Islip Long Island

Wed 9/16

5:43 pm-5:52 pm

1 stop24h 09m

San Juan Luis Munoz Marin Intl

Fri 9/18

2:57 am-4:58 pm

1 stop14h 01m

$264

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 9/18

6:48 pm-4:40 pm

1 stop21h 52m

San Juan Luis Munoz Marin Intl

Mon 9/21

3:55 pm-4:58 pm

1 stop25h 03m

$264

IslipSan Juan

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

ISPSJU

Islip Long Island

Mon 10/26

3:10 pm-12:20 am

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Fri 10/30

5:00 am-2:30 pm

2 stops9h 30m

$346

IslipSan Juan

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

ISPSJU

Islip Long Island

Mon 10/26

5:40 pm-12:05 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Fri 10/30

6:00 am-5:00 pm

2 stops11h 00m

$346

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in July, then you should wait until January to fly from Islip, New York, when ticket prices are also cheap, with an average price of $308.

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

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

Best Price Found	$132
Fastest flight time	6h 40m
Direct flights	None

The best one-way flight to Puerto Rico from Islip, New York in the past 72 hours is $132. The best round-trip flight deal from Islip, New York to Puerto Rico found on momondo in the last 72 hours is $244.

The fastest flight from Islip, New York to Puerto Rico takes 6h 40m

There are no direct flights from Islip, New York to Puerto Rico. There are no popular flight routes from Islip, New York to Puerto Rico.

Search flight deals

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

When did momondo last update prices for flights from Islip Long Island Airport to Puerto Rico?
Prices for flights from Islip Long Island Airport to Puerto Rico are updated daily.
How many operators does momondo search for flights from Islip Long Island Airport to Puerto Rico?
As of August 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Puerto Rico.
How old do you have to be to fly from Islip Long Island Airport to Puerto Rico?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Islip, New York to Puerto Rico

Compare and see reviews for airlines that fly from Islip, New York to Puerto Rico with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $367	Free Cancellation	Rating 8.0 4,204 reviews		Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Islip to Puerto Rico for you.

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

Flights from Islip to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Islip to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Puerto Rico, momondo offers a useful price alert feature which will track prices for flights to Puerto Rico from Islip and alert you when they change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Find better results for your trip to Puerto Rico

Popular cities

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Complete your trip

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Popular cities in Puerto Rico

Flights to San Juanfrom $94

Flights to Aguadillafrom $245

Flights to Poncefrom $235

Flights to Culebrafrom $376

Flights to Mayagüezfrom $364

Cheap flights from Islip, New York to Puerto Rico from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Puerto Rico departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Islip, New York to Puerto Rico

Cheap round-trip flights

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Big names and deals

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Filter for what you want

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Frontier flights from Islip, New York to Puerto Rico

Our best Frontier deals on Islip, New York to Puerto Rico flight tickets

Southwest flights from Islip, New York to Puerto Rico

Our best Southwest deals on Islip, New York to Puerto Rico flight tickets

momondo Fare Finder

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

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

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

What airlines fly to Puerto Rico?

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

Best Price Found

Fastest flight time

Direct flights

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

Best airlines flying from Islip, New York to Puerto Rico

Compare and see reviews for airlines that fly from Islip, New York to Puerto Rico with momondo

Why use momondo?

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

Islip, New York flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year