Find a great deal and save up to 11% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip, New York to Porto within the next two weeks, with the cheapest ticket starting at $646.
January can be a great time to fly to Porto from Islip, New York with a flight ticket averaging about $756. Cheapflights users have found deals in the month of January for as cheap as $414. The most expensive prices can be found in the month of July.
When flying from Islip, New York to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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