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 52% 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, Frontier, 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 June 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.

$163 Cheap Flights from Islip, New York 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.

6:00 am - 3:27 pm

ISP

PUJ

9h 27m

1 stop

2:05 pm - 10:56 pm

PUJ

ISP

8h 51m

1 stop

$322JetBlue

Tue, Sep 1 - Thu, Sep 3

9:52 pm - 7:55 am

ISP

SJU

10h 03m

1 stop

8:37 pm - 9:53 am

SJU

ISP

13h 16m

1 stop

$336Frontier

Wed, Jul 1 - Tue, Jul 7

6:00 am - 5:14 pm

ISP

NAS

11h 14m

1 stop

10:58 am - 9:34 pm

NAS

ISP

10h 36m

1 stop

$340JetBlue

Sat, Aug 29 - Wed, Sep 2

4:13 pm - 2:50 am

ISP

SJU

9h 37m

1 stop

3:55 am - 2:33 pm

SJU

ISP

11h 38m

1 stop

$355Frontier

Thu, Nov 5 - Mon, Nov 9

10:48 am - 11:29 pm

ISP

SJU

12h 41m

1 stop

3:06 am - 10:03 am

SJU

ISP

6h 57m

1 stop

$356Frontier

Wed, Sep 2 - Sun, Sep 6

10:43 am - 7:42 pm

ISP

SJU

8h 59m

1 stop

10:48 pm - 9:53 am

SJU

ISP

11h 05m

1 stop

$370Frontier

Sat, Jul 25 - Fri, Jul 31

6:00 am - 11:14 am

ISP

MBJ

6h 14m

1 stop

3:27 pm - 11:17 pm

MBJ

ISP

6h 50m

1 stop

$374JetBlue

Sat, Aug 29 - Wed, Sep 2

6:00 am - 12:24 pm

ISP

SDQ

6h 24m

1 stop

1:34 pm - 9:34 pm

SDQ

ISP

8h 00m

1 stop

$376JetBlue

Sat, Aug 29 - Wed, Sep 2

5:35 am - 1:25 pm

ISP

NAS

7h 50m

1 stop

2:10 pm - 8:20 am

NAS

ISP

18h 10m

2 stops

$580Southwest

Sat, Jun 27 - Wed, Jul 1

8:55 am - 6:30 pm

ISP

NAS

9h 35m

2 stops

2:10 pm - 8:05 am

NAS

ISP

17h 55m

2 stops

$598Southwest

Tue, Jun 30 - Tue, Jul 7

JetBlue flights from Islip, New York to Caribbean Islands

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

JetBlue

Sep 1

ISP6:00 amIslip Long Island

9h 27m

1 stop

PUJ3:27 pmPunta Cana

Sep 3

PUJ2:05 pmPunta Cana

8h 51m

1 stop

ISP10:56 pmIslip Long Island

$322

JetBlue

Aug 29

ISP6:00 amIslip Long Island

11h 14m

1 stop

NAS5:14 pmNassau Intl

Sep 2

NAS10:58 amNassau Intl

10h 36m

1 stop

ISP9:34 pmIslip Long Island

$340

JetBlue

Aug 29

ISP6:00 amIslip Long Island

6h 14m

1 stop

MBJ11:14 amMontego Bay Sangster Intl

Sep 2

MBJ3:27 pmMontego Bay Sangster Intl

6h 50m

1 stop

ISP11:17 pmIslip Long Island

$374

Frontier flights from Islip, New York to Caribbean Islands

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

Frontier

Jul 1

ISP9:52 pmIslip Long Island

10h 03m

1 stop

SJU7:55 amSan Juan Luis Munoz Marin Intl

Jul 7

SJU8:37 pmSan Juan Luis Munoz Marin Intl

13h 16m

1 stop

ISP9:53 amIslip Long Island

$336

Frontier

Nov 5

ISP4:13 pmIslip Long Island

9h 37m

1 stop

SJU2:50 amSan Juan Luis Munoz Marin Intl

Nov 9

SJU3:55 amSan Juan Luis Munoz Marin Intl

11h 38m

1 stop

ISP2:33 pmIslip Long Island

$355

Frontier

Sep 2

ISP10:48 amIslip Long Island

12h 41m

1 stop

SJU11:29 pmSan Juan Luis Munoz Marin Intl

Sep 6

SJU3:06 amSan Juan Luis Munoz Marin Intl

6h 57m

1 stop

ISP10:03 amIslip Long Island

$356

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

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Tue 9/1

6:00 am-3:27 pm

1 stop9h 27m

Punta Cana

Thu 9/3

2:05 pm-10:56 pm

1 stop8h 51m

$322

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Wed 7/1

9:52 pm-7:55 am

1 stop10h 03m

San Juan Luis Munoz Marin Intl

Tue 7/7

8:37 pm-9:53 am

1 stop13h 16m

$336

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 8/29

6:00 am-5:14 pm

1 stop11h 14m

Nassau Intl

Wed 9/2

10:58 am-9:34 pm

1 stop10h 36m

$340

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Thu 11/5

4:13 pm-2:50 am

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Mon 11/9

3:55 am-2:33 pm

1 stop11h 38m

$355

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Wed 9/2

10:48 am-11:29 pm

1 stop12h 41m

San Juan Luis Munoz Marin Intl

Sun 9/6

3:06 am-10:03 am

1 stop6h 57m

$356

IslipSan Juan

ISP - SJU

ISPSJU

Islip Long Island

Sat 7/25

10:43 am-7:42 pm

1 stop8h 59m

San Juan Luis Munoz Marin Intl

Fri 7/31

10:48 pm-9:53 am

1 stop11h 05m

$370

Quickest round-trip

IslipMontego Bay

ISP - MBJ

ISPMBJ

Islip Long Island

Sat 8/29

6:00 am-11:14 am

1 stop6h 14m

Montego Bay Sangster Intl

Wed 9/2

3:27 pm-11:17 pm

1 stop6h 50m

$374

IslipSanto Domingo

ISP - SDQ

ISPSDQ

Islip Long Island

Sat 8/29

6:00 am-12:24 pm

1 stop6h 24m

Santo Domingo Las Americas

Wed 9/2

1:34 pm-9:34 pm

1 stop8h 00m

$376

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 6/27

5:35 am-1:25 pm

1 stop7h 50m

Nassau Intl

Wed 7/1

2:10 pm-8:20 am

2 stops18h 10m

$580

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Tue 6/30

8:55 am-6:30 pm

2 stops9h 35m

Nassau Intl

Tue 7/7

2:10 pm-8:05 am

2 stops17h 55m

$598

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	6h 01m
Direct flights	None

The fastest flight from Islip, New York to Caribbean Islands takes 6h 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 June 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 22.96% of all bookings. The subsequent popular models are Airbus A220-300 at 15.58%, Airbus A320neo at 11.71%, and Airbus A321neo at 11.35%.

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 5.6 2,917 reviews	Search Frontier flights
JetBlue	PriceFrom $301	Free Cancellation	Rating 7.1 2,984 reviews	Search JetBlue flights
Southwest	PriceFrom $367	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
Delta	PriceFrom $402	Free Cancellation	Rating 7.8 8,398 reviews	Search Delta 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.