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 48% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 14 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?

Frontier, JetBlue, and Southwest are the most popular carriers 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 March 2026, there are 4 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.

$96 Cheap Flights from Islip to Caribbean Islands in 2026

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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.

5:45 am - 12:05 am

ISP

SJU

18h 20m

1 stop

4:14 pm - 7:36 pm

SJU

ISP

27h 22m

1 stop

$192Frontier

Sun, Apr 12 - Thu, Apr 16

8:39 pm - 7:56 am

ISP

SJU

11h 17m

1 stop

6:30 am - 9:33 am

SJU

ISP

27h 03m

1 stop

$213Frontier

Sat, Apr 11 - Wed, Apr 15

10:03 am - 7:10 pm

ISP

SJU

9h 07m

1 stop

9:15 am - 9:08 am

SJU

ISP

23h 53m

1 stop

$214Frontier

Wed, Jun 3 - Wed, Jun 10

4:07 pm - 9:54 am

ISP

SJU

17h 47m

1 stop

6:30 am - 9:13 am

SJU

ISP

26h 43m

1 stop

$234Frontier

Thu, May 14 - Sun, May 17

6:00 am - 2:55 pm

ISP

PUJ

8h 55m

1 stop

11:07 am - 9:13 am

PUJ

ISP

22h 06m

1 stop

$382Multiple Airlines

Sat, Apr 11 - Sat, Apr 18

8:25 pm - 9:20 am

ISP

PUJ

12h 55m

1 stop

10:18 am - 10:35 pm

PUJ

ISP

12h 17m

1 stop

$400JetBlue

Sun, Mar 22 - Thu, Apr 2

7:00 am - 1:30 pm

ISP

PUJ

6h 30m

1 stop

5:41 pm - 2:32 pm

PUJ

ISP

20h 51m

1 stop

$425JetBlue

Sun, Apr 12 - Sun, Apr 19

7:59 pm - 10:07 am

ISP

SDQ

14h 08m

1 stop

3:44 pm - 9:13 am

SDQ

ISP

17h 29m

2 stops

$500Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

5:45 am - 12:00 pm

ISP

MBJ

7h 15m

1 stop

12:35 pm - 10:10 pm

MBJ

ISP

8h 35m

1 stop

$698Southwest

Tue, Mar 31 - Tue, Apr 7

8:35 am - 1:55 pm

ISP

MBJ

6h 20m

1 stop

12:15 pm - 11:30 pm

MBJ

ISP

10h 15m

2 stops

$703Southwest

Thu, May 21 - Mon, May 25

Frontier flights from Islip, New York to Caribbean Islands

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

Frontier

Apr 27

ISP4:07 pmIslip Long Island

17h 47m

1 stop

SJU9:54 amSan Juan Luis Munoz Marin Intl

Apr 29

SJU6:30 amSan Juan Luis Munoz Marin Intl

27h 03m

1 stop

ISP9:33 amIslip Long Island

$192

Frontier

Apr 11

ISP8:39 pmIslip Long Island

11h 17m

1 stop

SJU7:56 amSan Juan Luis Munoz Marin Intl

Apr 15

SJU6:30 amSan Juan Luis Munoz Marin Intl

27h 03m

1 stop

ISP9:33 amIslip Long Island

$213

Frontier

Jun 3

ISP10:03 amIslip Long Island

9h 07m

1 stop

SJU7:10 pmSan Juan Luis Munoz Marin Intl

Jun 10

SJU9:15 amSan Juan Luis Munoz Marin Intl

23h 53m

1 stop

ISP9:08 amIslip Long Island

$214

Southwest flights from Islip, New York to Caribbean Islands

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

Southwest

Apr 26

ISP6:05 amIslip Long Island

6h 20m

1 stop

SJU12:25 pmSan Juan Luis Munoz Marin Intl

Apr 28

SJU11:25 amSan Juan Luis Munoz Marin Intl

10h 45m

2 stops

ISP10:10 pmIslip Long Island

$352

Southwest

May 22

ISP6:50 amIslip Long Island

6h 25m

1 stop

NAS1:15 pmNassau Intl

May 27

NAS8:45 amNassau Intl

7h 50m

1 stop

ISP4:35 pmIslip Long Island

$622

Southwest

May 8

ISP6:50 amIslip Long Island

11h 40m

1 stop

NAS6:30 pmNassau Intl

May 15

NAS8:45 amNassau Intl

11h 40m

2 stops

ISP8:25 pmIslip Long Island

$626

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

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Sun 4/12

5:45 am-12:05 am

1 stop18h 20m

San Juan Luis Munoz Marin Intl

Thu 4/16

4:14 pm-7:36 pm

1 stop27h 22m

$192

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Sat 4/11

8:39 pm-7:56 am

1 stop11h 17m

San Juan Luis Munoz Marin Intl

Wed 4/15

6:30 am-9:33 am

1 stop27h 03m

$213

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Wed 6/3

10:03 am-7:10 pm

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Wed 6/10

9:15 am-9:08 am

1 stop23h 53m

$214

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Thu 5/14

4:07 pm-9:54 am

1 stop17h 47m

San Juan Luis Munoz Marin Intl

Sun 5/17

6:30 am-9:13 am

1 stop26h 43m

$234

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Sat 4/11

6:00 am-2:55 pm

1 stop8h 55m

Punta Cana

Sat 4/18

11:07 am-9:13 am

1 stop22h 06m

$382

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Sun 3/22

8:25 pm-9:20 am

1 stop12h 55m

Punta Cana

Thu 4/2

10:18 am-10:35 pm

1 stop12h 17m

$400

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Sun 4/12

7:00 am-1:30 pm

1 stop6h 30m

Punta Cana

Sun 4/19

5:41 pm-2:32 pm

1 stop20h 51m

$425

IslipSanto Domingo

ISP - SDQ

ISPSDQ

Islip Long Island

Sun 4/12

7:59 pm-10:07 am

1 stop14h 08m

Santo Domingo Las Americas

Sun 4/19

3:44 pm-9:13 am

2 stops17h 29m

$500

IslipMontego Bay

ISP - MBJ

ISPMBJ

Islip Long Island

Tue 3/31

5:45 am-12:00 pm

1 stop7h 15m

Montego Bay Sangster Intl

Tue 4/7

12:35 pm-10:10 pm

1 stop8h 35m

$698

IslipMontego Bay

ISP - MBJ

ISPMBJ

Islip Long Island

Thu 5/21

8:35 am-1:55 pm

1 stop6h 20m

Montego Bay Sangster Intl

Mon 5/25

12:15 pm-11:30 pm

2 stops10h 15m

$703

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

Fastest flight time	5h 35m
Direct flights	None

The fastest flight from Islip, New York to Caribbean Islands takes 5h 35m

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

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 March 2026, there are 4 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 24.51% of all bookings. The subsequent popular models are Airbus A320neo at 12.00%, Airbus A321neo at 10.71%, and Airbus A220-300 at 8.70%.

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
Frontier	PriceFrom $106	Free Cancellation	Rating 5.7 3,041 reviews	Search Frontier flights
JetBlue	PriceFrom $301	Free Cancellation	Rating 7.2 2,894 reviews	Search JetBlue flights
Delta	PriceFrom $350	Free Cancellation	Rating 7.9 8,239 reviews	Search Delta flights
Southwest	PriceFrom $367	Free Cancellation	Rating 8.0 4,305 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.