What airlines fly to Caribbean?

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to Caribbean from Islip, New York according to our data. JetBlue is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 14 different airlines that fly to Caribbean 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?

Frontier, JetBlue, and Breeze Airways are the most popular carriers operating from Islip Long Island to Caribbean

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

Prices for flights from Islip Long Island Airport to Caribbean were last updated today.

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

As of May 2026, there are 4 operators available to choose from for flights from Islip Long Island Airport to Caribbean.

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

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.

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

The required travel and health documents for your Caribbean trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$120 Cheap Flights from Islip, New York to Caribbean in 2026

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Find the cheapest flights from Islip, New York to Caribbean

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 pm - 12:41 am

ISP

SJU

28h 51m

1 stop

6:31 pm - 9:58 am

SJU

ISP

15h 27m

1 stop

$238Frontier

Sat, Aug 8 - Tue, Aug 11

10:48 am - 1:54 am

ISP

SJU

15h 06m

1 stop

9:24 am - 10:03 am

SJU

ISP

24h 39m

1 stop

$256Frontier

Wed, Sep 2 - Sun, Sep 6

7:50 pm - 12:41 am

ISP

SJU

28h 51m

1 stop

6:31 pm - 9:58 am

SJU

ISP

15h 27m

1 stop

$258Frontier

Sat, Aug 1 - Fri, Aug 7

10:48 am - 1:16 pm

ISP

SJU

26h 28m

1 stop

5:01 pm - 7:05 pm

SJU

ISP

26h 04m

1 stop

$276Frontier

Thu, Aug 20 - Tue, Aug 25

6:00 am - 2:33 pm

ISP

AUA

7h 33m

1 stop

3:39 pm - 9:37 pm

AUA

ISP

6h 58m

1 stop

$367JetBlue

Wed, Nov 4 - Mon, Nov 9

6:00 am - 5:33 pm

ISP

MBJ

12h 33m

1 stop

3:27 pm - 11:17 pm

MBJ

ISP

6h 50m

1 stop

$368JetBlue

Mon, Jul 27 - Wed, Aug 26

2:28 pm - 8:00 am

ISP

PUJ

17h 32m

2 stops

9:25 am - 9:58 am

PUJ

ISP

24h 33m

1 stop

$613Multiple Airlines

Fri, Jul 17 - Tue, Jul 21

5:35 am - 3:05 pm

ISP

SXM

9h 30m

1 stop

2:15 pm - 10:55 pm

SXM

ISP

8h 40m

1 stop

$705Southwest

Sat, Jun 20 - Sat, Jun 27

6:00 am - 3:05 pm

ISP

SXM

9h 05m

2 stops

2:15 pm - 10:55 pm

SXM

ISP

8h 40m

1 stop

$710Southwest

Sat, Jun 20 - Sat, Jun 27

10:00 am - 10:48 pm

ISP

KIN

13h 48m

2 stops

6:36 pm - 10:57 pm

KIN

ISP

27h 21m

1 stop

$1,050Multiple Airlines

Mon, Jun 8 - Mon, Jun 15

Frontier flights from Islip, New York to Caribbean

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

Frontier

Aug 8

ISP7:50 pmIslip Long Island

28h 51m

1 stop

SJU12:41 amSan Juan Luis Munoz Marin Intl

Aug 11

SJU6:31 pmSan Juan Luis Munoz Marin Intl

15h 27m

1 stop

ISP9:58 amIslip Long Island

$238

Frontier

Sep 2

ISP10:48 amIslip Long Island

15h 06m

1 stop

SJU1:54 amSan Juan Luis Munoz Marin Intl

Sep 6

SJU9:24 amSan Juan Luis Munoz Marin Intl

24h 39m

1 stop

ISP10:03 amIslip Long Island

$256

Frontier

Aug 1

ISP7:50 pmIslip Long Island

28h 51m

1 stop

SJU12:41 amSan Juan Luis Munoz Marin Intl

Aug 7

SJU6:31 pmSan Juan Luis Munoz Marin Intl

15h 27m

1 stop

ISP9:58 amIslip Long Island

$258

Southwest flights from Islip, New York to Caribbean

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

Southwest

Aug 13

ISP6:10 amIslip Long Island

10h 45m

2 stops

SJU4:55 pmSan Juan Luis Munoz Marin Intl

Aug 19

SJU5:15 amSan Juan Luis Munoz Marin Intl

11h 40m

2 stops

ISP4:55 pmIslip Long Island

$460

Southwest

Aug 4

ISP10:55 amIslip Long Island

11h 05m

2 stops

SJU10:00 pmSan Juan Luis Munoz Marin Intl

Aug 18

SJU5:15 amSan Juan Luis Munoz Marin Intl

11h 40m

2 stops

ISP4:55 pmIslip Long Island

$508

Southwest

May 18

ISP6:50 amIslip Long Island

6h 45m

1 stop

AUA1:35 pmOranjestad Reina Beatrix

May 20

AUA2:35 pmOranjestad Reina Beatrix

8h 05m

1 stop

ISP10:40 pmIslip Long Island

$647

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Sat 8/8

7:50 pm-12:41 am

1 stop28h 51m

San Juan Luis Munoz Marin Intl

Tue 8/11

6:31 pm-9:58 am

1 stop15h 27m

$238

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Wed 9/2

10:48 am-1:54 am

1 stop15h 06m

San Juan Luis Munoz Marin Intl

Sun 9/6

9:24 am-10:03 am

1 stop24h 39m

$256

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Sat 8/1

7:50 pm-12:41 am

1 stop28h 51m

San Juan Luis Munoz Marin Intl

Fri 8/7

6:31 pm-9:58 am

1 stop15h 27m

$258

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Thu 8/20

10:48 am-1:16 pm

1 stop26h 28m

San Juan Luis Munoz Marin Intl

Tue 8/25

5:01 pm-7:05 pm

1 stop26h 04m

$276

Quickest round-trip

IslipOranjestad

ISP - AUA

ISPAUA

Islip Long Island

Wed 11/4

6:00 am-2:33 pm

1 stop7h 33m

Oranjestad Reina Beatrix

Mon 11/9

3:39 pm-9:37 pm

1 stop6h 58m

$367

IslipMontego Bay

ISP - MBJ

ISPMBJ

Islip Long Island

Mon 7/27

6:00 am-5:33 pm

1 stop12h 33m

Montego Bay Sangster Intl

Wed 8/26

3:27 pm-11:17 pm

1 stop6h 50m

$368

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Fri 7/17

2:28 pm-8:00 am

2 stops17h 32m

Punta Cana

Tue 7/21

9:25 am-9:58 am

1 stop24h 33m

$613

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Sat 6/20

5:35 am-3:05 pm

1 stop9h 30m

Simpson Bay Princess Juliana

Sat 6/27

2:15 pm-10:55 pm

1 stop8h 40m

$705

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Sat 6/20

6:00 am-3:05 pm

2 stops9h 05m

Simpson Bay Princess Juliana

Sat 6/27

2:15 pm-10:55 pm

1 stop8h 40m

$710

IslipKingston

ISP - KIN

ISPKIN

Islip Long Island

Mon 6/8

10:00 am-10:48 pm

2 stops13h 48m

Kingston Norman Manley

Mon 6/15

6:36 pm-10:57 pm

1 stop27h 21m

$1,050

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

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 Caribbean?

In general, January is the cheapest month to fly from Islip, New York to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $106. If you don’t want to visit Caribbean in January, then you should wait until August to fly from Islip, New York, when ticket prices are also cheap, with an average price of $158.

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

You could potentially save up to 61% on your flight if you consider stops on a Islip, New York to Caribbean flight.

Cheap Islip, New York to Caribbean flight deals and tips

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

Fastest flight time	5h 15m
Direct flights	None

The fastest flight from Islip, New York to Caribbean takes 5h 15m

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

Search flight deals

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

When did momondo last update prices for flights from Islip Long Island Airport to Caribbean?
Prices for flights from Islip Long Island Airport to Caribbean were last updated today.
How many operators does momondo search for flights from Islip Long Island Airport to Caribbean?
As of May 2026, there are 4 operators available to choose from for flights from Islip Long Island Airport to Caribbean.
How old do you have to be to fly from Islip Long Island Airport to Caribbean?
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.
What documentation or ID do you need to fly to Caribbean?
The required travel and health documents for your Caribbean trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Islip, New York to Caribbean

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $106	Free Cancellation	Rating 5.6 2,950 reviews	Search Frontier flights
JetBlue	PriceFrom $301	Free Cancellation	Rating 7.1 2,974 reviews	Search JetBlue flights
Southwest	PriceFrom $367	Free Cancellation	Rating 8.0 4,295 reviews	Search Southwest flights
Delta	PriceFrom $402	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Caribbean. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Caribbean from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Of course. momondo tracks the price of Islip to Caribbean flights. All you need is a valid email address and we will do the rest; it is that quick and easy.