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There are 5 airports in Islip. Long Island MacArthur Airport (ISP) is Islip’s primary airport with at least domestic flights and international flights departing from its runways every week. As of today, airlines operate out of Long Island MacArthur Airport (ISP). Long Island MacArthur Airport (ISP) is 7.9 miles from Islip and offers nonstop flights to cities. Islip’s secondary airport John F. Kennedy Intl Airport (JFK) is 30.2 miles from Islip and has airlines operating out of it and offers nonstop flights to cities with at least domestic flights and international flights departing each week.