To save up to 38% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Islip, New York to San Jose from $328 1-2 weeks out and tickets from $359 for flights departing within the next 72 hours.
Flights from Islip, New York to San Jose lean towards being more expensive in June. Prices are generally better when you fly from Islip, New York to San Jose in September, with the cheapest ticket starting at $122.
When flying from Islip, New York to San Jose, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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