What airlines fly to Islip, New York?

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Portland according to our data. Alaska Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 9 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Islip Long Island Airport?

Prices for flights from Portland Airport to Islip Long Island Airport are refreshed on a daily basis.

How old do you have to be to fly from Portland Airport to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$211 Cheap Flights from Portland to Islip in 2025

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These are some of the best round-trip flight deals from Portland to New York that have been recently found on momondo from popular airlines, departing in the coming months.

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PDX-ISP

2474 mimulti-stop

ISP-PDX

2474 mimulti-stop

Multiple Airlines

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PDX-ISP

2474 mimulti-stop

Multiple Airlines

Find Deal

How to get the cheapest flight ticket from Portland to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Portland to Islip, New York is on a Friday. Travelers who choose to depart for Islip, New York on a Friday will often find tickets for as low as $377. The most expensive day to fly to Islip, New York is Saturday, with ticket prices averaging around $398.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Portland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $427 when looking at flights departing in the morning. Flights to Islip, New York are more costly in the morning, with an average ticket price of $427. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Portland to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Islip, New York (PDX to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Islip, New York

Direct flights	None

There are no direct flights from Portland to Islip, New York. There are no popular flight routes from Portland to Islip, New York.

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How far is Portland to Islip Long Island by plane?
A flight from Portland to Islip Long Island will travel around 2474.8 mi.
When did momondo last update prices for flights from Portland Airport to Islip Long Island Airport?
Prices for flights from Portland Airport to Islip Long Island Airport are refreshed on a daily basis.
How old do you have to be to fly from Portland Airport to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Portland to Islip?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Islip. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Islip with flexible booking policies on momondo?

All flight searches from Portland to Islip on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Islip?

momondo helps you find the best flight between Portland and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.