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 51% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 13 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, Breeze Airways, and JetBlue 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 August 2026, there are 3 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.

$124 Cheap Flights from Islip, New York to Caribbean in 2026

Discover deals from 900+ travel sites with momondo.

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.

3:43 pm - 1:50 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

10h 07m1 stop Orlando

6:05 am - 2:33 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 28m1 stop Orlando

$247Frontier

Tue, Oct 27 - Sat, Oct 31

6:55 pm - 9:18 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

14h 23m1 stop Orlando

6:42 pm - 5:30 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

22h 48m1 stop Orlando

$248Frontier

Fri, Oct 16 - Sat, Oct 17

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

15h 52m1 stop Orlando

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

25h 03m1 stop Orlando

$265Frontier

Fri, Sep 11 - Fri, Sep 18

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 - 3:05 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

10h 05m2 stops Orlando West Palm Beach President Donald J. Trump Intl

$357Southwest

Fri, Oct 16 - Sat, Oct 17

3:10 pm - 12:05 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

8h 55m1 stop Baltimore/Washington

6:25 am - 3:05 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

8h 40m2 stops Orlando West Palm Beach President Donald J. Trump Intl

$357Southwest

Fri, Oct 16 - Sat, Oct 17

7:09 pm - 4:49 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

21h 40m1 stop Orlando

5:37 pm - 11:20 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

17h 43m2 stops Tampa Raleigh-Durham

$358Multiple Airlines

Sat, Sep 5 - Tue, Sep 8

12:50 pm - 11:45 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

10h 55m2 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

$362Southwest

Wed, Oct 7 - Wed, Oct 14

9:39 am - 12:38 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

13h 59m2 stops Charleston Fort Lauderdale

7:42 pm - 9:33 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

14h 51m1 stop Orlando

$369Multiple Airlines

Mon, Nov 2 - Sat, Nov 7

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

$455JetBlue

Sat, Oct 3 - Wed, Oct 7

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

9h 00m1 stop Fort Lauderdale

3:54 pm - 11:22 pmNAS Nassau Intl-ISP Islip Long Island

7h 28m1 stop Fort Lauderdale

$455JetBlue

Fri, Sep 11 - Mon, Sep 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

7h 06m1 stop Orlando

3:10 am - 9:53 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

6h 43m1 stop Orlando

$417Frontier

Sat, Aug 22 - Fri, Aug 28

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

7h 06m1 stop Orlando

3:10 am - 9:53 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

6h 43m1 stop Orlando

$418Frontier

Thu, Aug 20 - Mon, Aug 24

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

7h 06m1 stop Orlando

3:10 am - 9:53 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

6h 43m1 stop Orlando

$418Frontier

Sat, Aug 22 - Tue, Aug 25

2:33 pm - 12:34 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

34h 01m2 stops Charleston Tampa

8:57 pm - 9:53 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

12h 56m1 stop Orlando

$536Multiple Airlines

Sat, Aug 22 - Sat, Aug 29

7:09 pm - 8:11 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

13h 02m1 stop Orlando

3:10 am - 4:47 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

13h 37m2 stops Orlando Raleigh-Durham

$543Multiple Airlines

Sun, Aug 23 - Mon, Aug 24

2:33 pm - 12:34 amISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

34h 01m2 stops Charleston Tampa

8:57 pm - 9:53 amSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

12h 56m1 stop Orlando

$543Multiple Airlines

Sat, Aug 22 - Tue, Aug 25

10:30 am - 10:00 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

11h 30m2 stops Orlando Baltimore/Washington

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

10h 25m2 stops Tampa Baltimore/Washington

$676Southwest

Wed, Aug 19 - Fri, Aug 21

10:55 am - 9:05 pmISP Islip Long Island-SJU San Juan Luis Munoz Marin Intl

10h 10m2 stops Baltimore/Washington Orlando

10:30 am - 9:05 pmSJU San Juan Luis Munoz Marin Intl-ISP Islip Long Island

10h 35m2 stops Orlando Baltimore/Washington

$676Southwest

Wed, Aug 19 - Wed, Aug 26

6:00 am - 1:50 pmISP Islip Long Island-NAS Nassau Intl

7h 50m1 stop Fort Lauderdale

2:47 pm - 12:07 amNAS Nassau Intl-ISP Islip Long Island

9h 20m1 stop Orlando

$932JetBlue

Thu, Aug 20 - Mon, Aug 24

6:00 am - 11:20 amISP Islip Long Island-NAS Nassau Intl

5h 20m1 stop Fort Lauderdale

10:57 am - 9:44 pmNAS Nassau Intl-ISP Islip Long Island

10h 47m1 stop Fort Lauderdale

$932JetBlue

Sun, Aug 23 - Sat, Aug 29

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Frontier flights from Islip, New York to Caribbean

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

Frontier

Oct 27

ISP3:43 pmIslip Long Island

10h 07m

1 stop

SJU1:50 amSan Juan Luis Munoz Marin Intl

Oct 31

SJU6:05 amSan Juan Luis Munoz Marin Intl

8h 28m

1 stop

ISP2:33 pmIslip Long Island

$247

Frontier

Oct 16

ISP6:55 pmIslip Long Island

14h 23m

1 stop

SJU9:18 amSan Juan Luis Munoz Marin Intl

Oct 17

SJU6:42 pmSan Juan Luis Munoz Marin Intl

22h 48m

1 stop

ISP5:30 pmIslip Long Island

$248

Frontier

Sep 11

ISP5:43 pmIslip Long Island

15h 52m

1 stop

SJU9:35 amSan Juan Luis Munoz Marin Intl

Sep 18

SJU3:55 pmSan Juan Luis Munoz Marin Intl

25h 03m

1 stop

ISP4:58 pmIslip Long Island

$265

Southwest flights from Islip, New York to Caribbean

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

Southwest

Oct 16

ISP3:10 pmIslip Long Island

8h 55m

1 stop

SJU12:05 amSan Juan Luis Munoz Marin Intl

Oct 17

SJU6:25 amSan Juan Luis Munoz Marin Intl

8h 40m

2 stops

ISP3:05 pmIslip Long Island

$357

Southwest

Oct 7

ISP12:50 pmIslip Long Island

10h 15m

1 stop

SJU11:05 pmSan Juan Luis Munoz Marin Intl

Oct 14

SJU5:50 amSan Juan Luis Munoz Marin Intl

6h 20m

1 stop

ISP12:10 pmIslip Long Island

$362

Southwest

Jan 31

ISP10:55 amIslip Long Island

10h 45m

2 stops

SJU10:40 pmSan Juan Luis Munoz Marin Intl

Feb 1

SJU5:45 amSan Juan Luis Munoz Marin Intl

11h 00m

2 stops

ISP3:45 pmIslip Long Island

$384

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Caribbean 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 10/27

3:43 pm-1:50 am

1 stop10h 07m

San Juan Luis Munoz Marin Intl

Sat 10/31

6:05 am-2:33 pm

1 stop8h 28m

$247

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 10/16

6:55 pm-9:18 am

1 stop14h 23m

San Juan Luis Munoz Marin Intl

Sat 10/17

6:42 pm-5:30 pm

1 stop22h 48m

$248

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 9/11

5:43 pm-9:35 am

1 stop15h 52m

San Juan Luis Munoz Marin Intl

Fri 9/18

3:55 pm-4:58 pm

1 stop25h 03m

$265

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 10/16

3:10 pm-12:20 am

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Sat 10/17

5:00 am-3:05 pm

2 stops10h 05m

$357

IslipSan Juan

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

ISPSJU

Islip Long Island

Fri 10/16

3:10 pm-12:05 am

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Sat 10/17

6:25 am-3:05 pm

2 stops8h 40m

$357

IslipSan Juan

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

ISPSJU

Islip Long Island

Sat 9/5

7:09 pm-4:49 pm

1 stop21h 40m

San Juan Luis Munoz Marin Intl

Tue 9/8

5:37 pm-11:20 am

2 stops17h 43m

$358

IslipSan Juan

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

ISPSJU

Islip Long Island

Wed 10/7

12:50 pm-11:45 pm

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Wed 10/14

6:35 am-3:30 pm

2 stops8h 55m

$362

IslipSan Juan

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

ISPSJU

Islip Long Island

Mon 11/2

9:39 am-12:38 am

2 stops13h 59m

San Juan Luis Munoz Marin Intl

Sat 11/7

7:42 pm-9:33 am

1 stop14h 51m

$369

Quickest round-trip

IslipNassau

ISP Islip Long Island - NAS Nassau Intl

ISPNAS

Islip Long Island

Sat 10/3

7:00 am-4:00 pm

1 stop9h 00m

Nassau Intl

Wed 10/7

5:57 pm-11:22 pm

1 stop5h 25m

$455

IslipNassau

ISP Islip Long Island - NAS Nassau Intl

ISPNAS

Islip Long Island

Fri 9/11

7:00 am-4:00 pm

1 stop9h 00m

Nassau Intl

Mon 9/14

3:54 pm-11:22 pm

1 stop7h 28m

$455

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, July 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 $0. If you don’t want to visit Caribbean 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.

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

You could potentially save up to 60% 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

Best Price Found	$124
Fastest flight time	5h 25m
Direct flights	None

The best one-way flight to Caribbean from Islip, New York in the past 72 hours is $124. The best round-trip flight deal from Islip, New York to Caribbean found on momondo in the last 72 hours is $247.

The fastest flight from Islip, New York to Caribbean takes 5h 25m

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 August 2026, there are 3 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 2,667 reviews	Search Frontier flights
JetBlue	PriceFrom $301	Free Cancellation	Rating 7.1 3,033 reviews	Search JetBlue flights
Southwest	PriceFrom $367	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest 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.