$246 Find Cheap Flights from Newark Liberty Airport to Islip - Compare and Save

In the last 5 days, the lowest price for a flight from Newark Airport to Islip was $271 for a one-way ticket and $343 for a round-trip.

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On your way to Islip, you’ll fly out from Newark. You’ll be landing at Islip Long Island.

We unfortunately don’t have that data for this specific route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Newark Liberty Airport to Islip.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Newark Liberty Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Newark Liberty Airport with another airline. Booking your flights between Newark Liberty Airport and ISP can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Newark Liberty Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.