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Saint Croix

$871+ Cheap flights from Islip, NY (ISP) to Saint Croix

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — STX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Islip to Saint Croix

Keep the following information in mind while searching for Islip to Saint Croix flight deals. Data was last updated July 29, 2025.

Round-trip from

$871
(Mytrip)
From Islip Long Island to Saint Croix
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Find flight deals from Islip to Saint Croix

Cheapest flights from Islip to Saint Croix
Explore the most affordable flight options available from Islip to Saint Croix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:55 pmISP - STX
3 stops20h 31mMultiple Airlines
Sun 8/1712:31 pmSTX - ISP
3 stops21h 33mMultiple Airlines
Deal found 7/29$871

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Saint Croix 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 July 29, 2025.
Use the filters below to find and compare flights from Islip to Saint Croix that are best for you.

Fly from

Islip

Fly to

Saint Croix

Route

Depart

Return

Price

IslipChristiansted

ISP - STX

ISPSTX

Islip Long Island

Wed 8/13

2:55 pm-11:26 am

3 stops20h 31m

Christiansted Henry Rohlsen

Sun 8/17

12:31 pm-10:04 am

3 stops21h 33m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Islip to Saint Croix

Have a flexible travel schedule? Discover the best time to fly to Saint Croix 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 Croix

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

Currently, April is the cheapest month in which you can book a flight from Islip, New York to Saint Croix (average of $194). Flying from Islip, New York to Saint Croix in October is currently the most expensive (average of $568). 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 Croix. 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 Croix?

    Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Saint Croix from Islip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Saint Croix 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 Croix?

    Currently, April is the cheapest month in which you can book a flight from Islip, New York to Saint Croix (average of $194). Flying from Islip, New York to Saint Croix in October is currently the most expensive (average of $568). 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.

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