To save on the cost of your flight from Islip, New York to Lisbon, book at least 12 days before your planned departure. Booking around this time can save you about 7% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $739 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $909.
Our data shows that January tends to be the cheapest month to fly to Lisbon from Islip, New York. Users have commonly found prices around $816 for the month, but tickets can be as low as $413. Due to multiple factors, prepare for potentially higher prices in June.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Lisbon as you normally would.
No data available for this route at this time. Please check back soon.
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Certainly. Search results for flights to Lisbon from Islip shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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