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Saint Martin Island

$447+ Cheap flights from Islip, NY (ISP) to Saint Martin Island

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SXM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Islip to Saint Martin Island

Best flights from Islip to Saint Martin Island
Discover carefully curated flight deals from Islip to Saint Martin Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/44:28 pmISP - SXM
1 stop20h 47mMultiple Airlines
Wed 1/144:20 pmSXM - ISP
2 stops52h 49mMultiple Airlines
Deal found 12/17$447
This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/47:40 pmISP - SXM
1 stop18h 40mJetBlue
Wed 1/144:20 pmSXM - ISP
1 stop20h 13mJetBlue
Deal found 12/17$516
This Trip.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:25 pmISP - SXM
1 stop24h 50mMultiple Airlines
Wed 2/183:20 pmSXM - ISP
1 stop19h 42mMultiple Airlines
Deal found 12/17$783

Find flight deals from Islip to Saint Martin Island

Keep the following information in mind while searching for Islip to Saint Martin Island flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$447
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$602
Provider with most accurate pricing for New York (NYC)-Simpson Bay Princess Juliana flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Simpson Bay Princess Juliana flights.
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From Islip Long Island to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Saint Martin Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Islip to Saint Martin Island that are best for you.

Fly from

Islip

Fly to

Saint Martin Island

Route

Depart

Return

Price

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Sun 1/4

4:28 pm-2:15 pm

1 stop20h 47m

Simpson Bay Princess Juliana

Wed 1/14

4:20 pm-8:09 pm

2 stops52h 49m

$447

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Sun 1/4

7:40 pm-3:20 pm

1 stop18h 40m

Simpson Bay Princess Juliana

Wed 1/14

4:20 pm-11:33 am

1 stop20h 13m

$516

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Wed 2/4

12:25 pm-2:15 pm

1 stop24h 50m

Simpson Bay Princess Juliana

Wed 2/18

3:20 pm-10:02 am

1 stop19h 42m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Islip to Saint Martin Island

Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Saint Martin Island

What is the cheapest month to book a flight from Islip, New York to Saint Martin Island?

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Saint Martin Island (average of $121). Flying from Islip, New York to Saint Martin Island in September is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Saint Martin Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Saint Martin Island?

    For a flight from Islip to Saint Martin Island, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

  • How long is the flight from Islip, New York to Saint Martin Island?

    There are many flights that can get you from Islip, New York to Saint Martin Island in 18h 40m. Fly via JetBlue to get the fastest option. There are 1679 mi between Islip, New York and Saint Martin Island.

  • Can I find deals for flights from Islip to Saint Martin Island that include hotel bookings?

    Yes. In addition to deals on Islip to Saint Martin Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Saint Martin Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Saint Martin Island.

  • Can I find deals for business class flights from Islip to Saint Martin Island?

    Yes. Cheapflights offers flight deals from Islip to Saint Martin Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Saint Martin Island?

    Currently, November is the cheapest month in which you can book a flight from Islip, New York to Saint Martin Island (average of $121). Flying from Islip, New York to Saint Martin Island in September is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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