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San Juan

Cheap flights from Islip, NY (ISP) to San Juan

ISP — SJU
Nov 19 — Nov 261
Thu 11/19
Thu 11/26
1 adult, Economy
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Find flight deals from Islip to San Juan

Popular in

February

Cheapest in

January

Average price

$608
High demand for flights, 12% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Best time to book a flight from Islip to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Islip with our price prediction graph.
Estimated round-trip price

Related info for your journey

  • What airport do you fly from for flights from Islip to San Juan?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to San Juan. 0 airlines have flights from Long Island to San Juan on a regular basis. Booking flights from Islip Long Island to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • Can I find deals for flights from Islip to San Juan that include hotel bookings?

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

  • How can I find direct flights from Islip to San Juan?

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

  • Can I find deals for business class flights from Islip to San Juan?

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

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