What airlines fly to Caribbean Islands?

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to Caribbean Islands from Islip, New York according to our data. JetBlue is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 13 different airlines that fly to Caribbean Islands 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 Caribbean Islands?

JetBlue is the most popular carrier operating from Islip Long Island to Caribbean Islands

When did momondo last update prices for flights from Islip Long Island Airport to Caribbean Islands?

Prices for flights from Islip Long Island Airport to Caribbean Islands refresh daily.

How many operators does momondo search for flights from Islip Long Island Airport to Caribbean Islands?

As of September 2026, there are 2 operators available to choose from for flights from Islip Long Island Airport to Caribbean Islands.

How old do you have to be to fly from Islip Long Island Airport to Caribbean Islands?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The travel and health documents required for your trip to Caribbean Islands can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Caribbean Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$141 Cheap Flights from Islip, New York to Caribbean Islands in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Islip, New York to Caribbean Islands

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:33 pm - 2:50 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

7h 17m1 stop Orlando

11:20 am - 5:56 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

7h 36m1 stop Orlando

$350Frontier

Sat, Nov 7 - Fri, Nov 13

9:56 am - 3:06 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

28h 10m1 stop Orlando

8:00 am - 9:01 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

26h 01m1 stop Orlando

$350Frontier

Fri, Dec 4 - Wed, Dec 9

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

15h 52m1 stop Orlando

6:42 pm - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

22h 16m1 stop Orlando

$355Frontier

Wed, Sep 30 - Tue, Oct 6

6:54 pm - 1:50 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

6h 56m1 stop Orlando

11:20 am - 5:31 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

7h 11m1 stop Orlando

$370Frontier

Fri, Oct 30 - Sun, Nov 1

3:50 pm - 10:15 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

6h 25m1 stop Baltimore/Washington

6:35 am - 3:30 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

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

$389Southwest

Sat, Oct 17 - Tue, Oct 20

6:15 am - 3:15 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

9h 00m2 stops Baltimore/Washington Orlando

6:35 am - 3:30 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

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

$389Southwest

Sat, Oct 17 - Tue, Oct 20

6:00 am - 12:22 pmISP Islip Long Island-SDQ Santo Domingo Las Americas

6h 22m1 stop Fort Lauderdale

1:32 pm - 9:37 pmSDQ Santo Domingo Las Americas-ISP Islip Long Island

8h 05m1 stop Fort Lauderdale

$456JetBlue

Sun, Oct 25 - Wed, Oct 28

11:09 am - 7:01 pmISP Islip Long Island-SDQ Santo Domingo Las Americas

6h 52m1 stop Orlando

8:33 pm - 8:55 amSDQ Santo Domingo Las Americas-ISP Islip Long Island

13h 22m1 stop Orlando

$456JetBlue

Mon, Feb 8 - Sat, Mar 6

6:00 am - 12:19 pmISP Islip Long Island-MBJ Montego Bay Sangster Intl

6h 19m1 stop Fort Lauderdale

2:40 pm - 9:56 pmMBJ Montego Bay Sangster Intl-ISP Islip Long Island

7h 16m1 stop Fort Lauderdale

$475JetBlue

Tue, Jan 26 - Thu, Feb 4

5:35 am - 1:45 pmISP Islip Long Island-PUJ Punta Cana

7h 10m1 stop Baltimore/Washington

2:40 pm - 11:35 pmPUJ Punta Cana-ISP Islip Long Island

9h 55m1 stop Baltimore/Washington

$602Southwest

Sun, Nov 15 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

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

8h 09m1 stop Orlando

7:00 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

9h 58m1 stop Orlando

$445Frontier

Tue, Sep 22 - Sat, Oct 3

6:48 pm - 11:58 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

29h 10m1 stop Tampa

4:39 pm - 6:03 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

25h 24m1 stop Tampa

$497Frontier

Sun, Sep 20 - Thu, Sep 24

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

15h 52m1 stop Orlando

7:00 am - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

9h 58m1 stop Orlando

$519Frontier

Tue, Sep 22 - Sat, Oct 3

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

15h 52m1 stop Orlando

6:42 pm - 4:58 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

22h 16m1 stop Orlando

$590Frontier

Sat, Sep 19 - Tue, Sep 22

6:10 am - 12:50 pmISP Islip Long Island-PUJ Punta Cana

6h 40m1 stop Baltimore/Washington

2:15 pm - 9:10 pmPUJ Punta Cana-ISP Islip Long Island

6h 55m1 stop Baltimore/Washington

$770Southwest

Mon, Sep 21 - Wed, Sep 23

5:30 am - 4:40 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

11h 10m2 stops Baltimore/Washington Orlando

10:30 am - 9:10 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

10h 40m2 stops Orlando Baltimore/Washington

$816Southwest

Sat, Sep 19 - Tue, Sep 22

7:00 am - 1:27 pmISP Islip Long Island-STI Santiago de los Caballeros

6h 27m1 stop Fort Lauderdale

3:30 pm - 11:22 pmSTI Santiago de los Caballeros-ISP Islip Long Island

7h 52m1 stop Fort Lauderdale

$950JetBlue

Sun, Sep 20 - Wed, Sep 30

6:10 am - 11:15 amISP Islip Long Island-MBJ Montego Bay Sangster Intl

6h 05m1 stop Baltimore/Washington

1:55 pm - 9:10 pmMBJ Montego Bay Sangster Intl-ISP Islip Long Island

6h 15m1 stop Baltimore/Washington

$988Southwest

Mon, Sep 21 - Wed, Sep 23

7:00 am - 4:00 pmISP Islip Long Island-NAS Nassau Intl

9h 00m1 stop Fort Lauderdale

5:57 pm - 11:22 pmNAS Nassau Intl-ISP Islip Long Island

5h 25m1 stop Fort Lauderdale

$1,149JetBlue

Sat, Sep 19 - Tue, Sep 22

7:00 am - 1:27 pmISP Islip Long Island-STI Santiago de los Caballeros

6h 27m1 stop Fort Lauderdale

3:30 pm - 11:22 pmSTI Santiago de los Caballeros-ISP Islip Long Island

7h 52m1 stop Fort Lauderdale

$1,165JetBlue

Sat, Sep 19 - Thu, Sep 24

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Frontier flights from Islip, New York to Caribbean Islands

Our best Frontier deals on Islip, New York to Caribbean Islands flight tickets

Frontier

Nov 7

ISP6:33 pmIslip Long Island

7h 17m

1 stop

SJU2:50 amSan Juan Luis Munoz Marin Intl

Nov 13

SJU11:20 amSan Juan Luis Munoz Marin Intl

7h 36m

1 stop

ISP5:56 pmIslip Long Island

$350

Frontier

Sep 30

ISP5:43 pmIslip Long Island

15h 52m

1 stop

SJU9:35 amSan Juan Luis Munoz Marin Intl

Oct 6

SJU6:42 pmSan Juan Luis Munoz Marin Intl

22h 16m

1 stop

ISP4:58 pmIslip Long Island

$355

Frontier

Oct 4

ISP5:43 pmIslip Long Island

8h 09m

1 stop

SJU1:52 amSan Juan Luis Munoz Marin Intl

Oct 8

SJU10:39 amSan Juan Luis Munoz Marin Intl

6h 51m

1 stop

ISP5:30 pmIslip Long Island

$370

JetBlue flights from Islip, New York to Caribbean Islands

Our best JetBlue deals on Islip, New York to Caribbean Islands flight tickets

JetBlue

Oct 25

ISP6:00 amIslip Long Island

6h 22m

1 stop

SDQ12:22 pmSanto Domingo Las Americas

Oct 28

SDQ1:32 pmSanto Domingo Las Americas

8h 05m

1 stop

ISP9:37 pmIslip Long Island

$456

JetBlue

Jan 26

ISP6:00 amIslip Long Island

6h 19m

1 stop

MBJ12:19 pmMontego Bay Sangster Intl

Feb 4

MBJ2:40 pmMontego Bay Sangster Intl

7h 16m

1 stop

ISP9:56 pmIslip Long Island

$475

JetBlue

Jan 24

ISP6:00 amIslip Long Island

6h 21m

1 stop

PUJ1:21 pmPunta Cana

Feb 2

PUJ3:00 pmPunta Cana

7h 56m

1 stop

ISP9:56 pmIslip Long Island

$492

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Caribbean Islands 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

Sat 11/7

6:33 pm-2:50 am

1 stop7h 17m

San Juan Luis Munoz Marin Intl

Fri 11/13

11:20 am-5:56 pm

1 stop7h 36m

$350

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 12/4

9:56 am-3:06 pm

1 stop28h 10m

San Juan Luis Munoz Marin Intl

Wed 12/9

8:00 am-9:01 am

1 stop26h 01m

$350

IslipSan Juan

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

ISPSJU

Islip Long Island

Wed 9/30

5:43 pm-9:35 am

1 stop15h 52m

San Juan Luis Munoz Marin Intl

Tue 10/6

6:42 pm-4:58 pm

1 stop22h 16m

$355

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 10/30

6:54 pm-1:50 am

1 stop6h 56m

San Juan Luis Munoz Marin Intl

Sun 11/1

11:20 am-5:31 pm

1 stop7h 11m

$370

IslipSan Juan

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

ISPSJU

Islip Long Island

Sat 10/17

3:50 pm-10:15 pm

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Tue 10/20

6:35 am-3:30 pm

2 stops8h 55m

$389

IslipSan Juan

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

ISPSJU

Islip Long Island

Sat 10/17

6:15 am-3:15 pm

2 stops9h 00m

San Juan Luis Munoz Marin Intl

Tue 10/20

6:35 am-3:30 pm

2 stops8h 55m

$389

IslipSanto Domingo

ISP Islip Long Island - SDQ Santo Domingo Las Americas

ISPSDQ

Islip Long Island

Sun 10/25

6:00 am-12:22 pm

1 stop6h 22m

Santo Domingo Las Americas

Wed 10/28

1:32 pm-9:37 pm

1 stop8h 05m

$456

IslipSanto Domingo

ISP Islip Long Island - SDQ Santo Domingo Las Americas

ISPSDQ

Islip Long Island

Mon 2/8

11:09 am-7:01 pm

1 stop6h 52m

Santo Domingo Las Americas

Sat 3/6

8:33 pm-8:55 am

1 stop13h 22m

$456

Quickest round-trip

IslipMontego Bay

ISP Islip Long Island - MBJ Montego Bay Sangster Intl

ISPMBJ

Islip Long Island

Tue 1/26

6:00 am-12:19 pm

1 stop6h 19m

Montego Bay Sangster Intl

Thu 2/4

2:40 pm-9:56 pm

1 stop7h 16m

$475

IslipPunta Cana

ISP Islip Long Island - PUJ Punta Cana

ISPPUJ

Islip Long Island

Sun 11/15

5:35 am-1:45 pm

1 stop7h 10m

Punta Cana

Sun 11/22

2:40 pm-11:35 pm

1 stop9h 55m

$602

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 Caribbean Islands

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

Can stopping save me money on Islip, New York to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Islip, New York to Caribbean Islands.

Cheap Islip, New York to Caribbean Islands flight deals and tips

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

Best Price Found	$141
Fastest flight time	5h 01m
Direct flights	None

The best one-way flight to Caribbean Islands from Islip, New York in the past 72 hours is $141. The best round-trip flight deal from Islip, New York to Caribbean Islands found on momondo in the last 72 hours is $350.

The fastest flight from Islip, New York to Caribbean Islands takes 5h 01m

There are no direct flights from Islip, New York to Caribbean Islands. There are no popular flight routes from Islip, New York to Caribbean Islands.

Search flight deals

Frequently asked questions about flying from Islip, New York to Caribbean Islands

When did momondo last update prices for flights from Islip Long Island Airport to Caribbean Islands?
Prices for flights from Islip Long Island Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Islip Long Island Airport to Caribbean Islands?
As of September 2026, there are 2 operators available to choose from for flights from Islip Long Island Airport to Caribbean Islands.
How old do you have to be to fly from Islip Long Island Airport to Caribbean Islands?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The travel and health documents required for your trip to Caribbean Islands can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Caribbean Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Islip, New York to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from Islip, New York to Caribbean Islands is Airbus A320-100/200, representing 25.76% of all bookings. The subsequent popular models are Airbus A220-300 at 13.65%, Airbus A321neo at 11.11%, and Airbus A320neo at 9.15%.

Best airlines flying from Islip, New York to Caribbean Islands

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $301	Free Cancellation	Rating 7.1 3,034 reviews		Search JetBlue flights
Southwest	PriceFrom $367	Free Cancellation	Rating 8.0 4,192 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Caribbean Islands?

It is quick and easy to find Islip to Caribbean Islands flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Caribbean Islands that suits you.

Can I find flights from Islip to Caribbean Islands with flexible booking policies on momondo?

momondo does allow users to show only those flights to Caribbean Islands from Islip which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Islip to Caribbean Islands?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to Caribbean Islands.

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

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