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Saint Martin Island

$2,554+ 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SXM
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap 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 August 18, 2025.

Round-trip from

$2,554
(Expedia)

Popular in

December

Cheapest in

September

Average price

$533
From Islip Long Island to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Islip to Saint Martin Island

Cheapest flights from Islip to Saint Martin Island
Explore the most affordable flight options available from Islip to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Expedia deal was found by Cheapflights users on 8/16. 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.
Sat 12/279:21 amISP - SXM
2 stops28h 15mJetBlue
Wed 12/313:56 pmSXM - ISP
2 stops27h 48mJetBlue
Deal found 8/16$2,554

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 August 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

Sat 12/27

9:21 am-2:36 pm

2 stops28h 15m

Simpson Bay Princess Juliana

Wed 12/31

3:56 pm-6:44 pm

2 stops27h 48m

$2,554

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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, September is the cheapest month in which you can book a flight from Islip, New York to Saint Martin Island (average of $459). Flying from Islip, New York to Saint Martin Island in March is currently the most expensive (average of $654). 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 28h 15m. 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, September is the cheapest month in which you can book a flight from Islip, New York to Saint Martin Island (average of $459). Flying from Islip, New York to Saint Martin Island in March is currently the most expensive (average of $654). 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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