To save up to 143% on this flight, we recommend booking at least 22 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Luis Obispo to Islip, New York from $531 1-2 weeks out and tickets from $868 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in January. For low rates, February can be a great choice for travel to Islip, New York. Flights to Islip, New York from San Luis Obispo in February are about $593 on average during February, but can be found for as low as $378.
When flying from San Luis Obispo to Islip, New York, 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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