To save up to 12% on this flight, we recommend booking at least 44 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 José, San José Province from $480 1-2 weeks out and tickets from $506 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to San José, San José Province. Flights to San José, San José Province from Islip, New York in September are about $511 on average during September, but can be found for as low as $158.
When flying from Islip, New York to San José, San José Province, 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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