Cheap Flights From Greenville, South Carolina (GSP) To Islip, New York (ISP) - No Deals

Flight from Greenville to Islip (GSP-ISP)

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There are approximately 7 flights covering the route from Greenville-Spartanburg Airport in Greenville to Long Island MacArthur Airport in Islip, provided by as many as 3 airlines.

The following airlines often offer cheap flights from Greenville to Islip:

Southwest Airlines
US Airways
United Airlines

As an alternative to flying from Greenville, you may also want to try searching for cheap flights from Charlotte (CLT).