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ISP - PDX

Find cheap flights from Islip to Portland

1 adult
0 bags
Tue 6/4
Tue 6/11

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Portland, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Portland, as well as popular online travel agencies
In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Flights from Islip to Portland - Travel Insights & Trends

Get data-powered insights and trends into flights from Islip to Portland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Islip, New York to Portland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Islip, New York to Portland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Islip, New York to Portland is September, where tickets cost $268 on average. On the other hand, the most expensive months are December and June, where the average cost of tickets is $513 and $451 respectively.

How far in advance should I book a flight from Islip, New York to Portland?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Islip, New York to Portland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Islip, New York to Portland, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 24 days before departure.

When to book flights from Islip to Portland

Are your dates flexible? Find out the best times to travel from Islip to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Islip to Portland

  • Do I need a passport to fly between Islip and Portland?

    A passport is not required to fly from Islip to Portland.

  • Which aircraft models fly most regularly from Islip to Portland?

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

  • How does KAYAK find such low prices on flights from Islip to Portland?

    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 Islip to Portland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Portland?

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

  • What is the Hacker Fare option on flights from Islip to Portland?

    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 Portland with an airline and back to Islip with another airline. Booking your flights between Islip and PDX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Portland?

    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 Portland from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Islip to Portland

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Islip - Portland Flights

Departure:

Islip (ISP)United States

Destination:

Portland (PDX)United States

Return flight deals:

Portland - Islip

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