Due to multiple factors, expect to potentially pay more when booking in November. For low rates, August can be a great choice for travel to Islip, New York. Flights to Islip, New York from Harrisburg in August are about $249 on average during August, but can be found for as low as $138.
When flying from Harrisburg 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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