Cheap Flights To Islip, NY

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  • TipSeptember is the cheapest month to fly to Islip

Best Deals to Islip Last modified: Sep 15, 2021 16:06 -04:00

We've scanned 28,527 round trip itineraries and found the cheapest flights to Islip. Frontier frequently offer the best deals to Islip flights, or select your preferred carrier below to see the cheapest days to fly.

Fri 10/1
Fri 10/8

Airports near Islip

Westchester County

Stewart International

Tweed New Haven

Long Island Macarthur

Cheap Flights from Islip (ISP)

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Cheap Flights to Islip from $38 round trip (ISP) - FareCompare