Cheap flights from Islip to San Juan

Connecting routes only from Islip (ISP) to San Juan (SJU).

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Live fares · ISP → SJU

Frequently asked questions

  • Is there a direct flight from Islip to San Juan?

    There is currently no non-stop service from ISP to SJU. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: ISP → SJU Cheapest month to fly to San Juan All flights from Islip All flights to San Juan Flights to Puerto Rico Visa-free with USA passport