What is the cheapest flight from Islip to Portland?

In the last 3 days, the lowest price for a flight from Islip to Portland was $373 for a round-trip ticket. Visit our flight page for the latest deals!>/a>

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

A passport is not required to fly from Islip to Portland. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Islip to Portland?

On your way to Portland, you’ll fly out from Islip Long Island. You’ll be landing at Portland. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$373 CHEAP FLIGHTS from Islip to Portland (ISP - PDX)

ISP - PDX

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Cheap Flights from Islip to Portland (ISP-PDX)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Portland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Islip to Portland

Wed, Oct 22 - Wed, Oct 29

11:40 am - 9:20 pmISP-PDX

12h 40m2 stops

5:10 am - 10:05 pmPDX-ISP

13h 55m2 stops

$373Southwest

Find Deal

Thu, Sep 11 - Tue, Sep 16

12:10 pm - 8:50 pmISP-PDX

11h 40m2 stops

6:10 am - 9:05 pmPDX-ISP

11h 55m2 stops

$386Southwest

Find Deal

Thu, Sep 11 - Tue, Sep 16

6:00 am - 4:00 pmISP-PDX

13h 00m1 stop

9:05 pm - 11:55 amPDX-ISP

11h 50m1 stop

$387Southwest

Find Deal

Mon, Sep 1 - Sun, Sep 7

6:00 am - 4:00 pmISP-PDX

13h 00m1 stop

9:05 pm - 12:00 pmPDX-ISP

11h 55m1 stop

$421Southwest

Find Deal

Mon, Sep 1 - Sun, Sep 7

6:00 am - 4:00 pmISP-PDX

13h 00m1 stop

6:40 am - 11:50 pmPDX-ISP

14h 10m2 stops

$426Southwest

Find Deal

Thu, Aug 21 - Mon, Aug 25

12:10 pm - 8:50 pmISP-PDX

11h 40m2 stops

7:45 am - 10:55 pmPDX-ISP

12h 10m2 stops

$439Southwest

Find Deal

Thu, Aug 21 - Mon, Aug 25

3:05 pm - 11:05 pmISP-PDX

11h 00m2 stops

9:05 pm - 11:55 amPDX-ISP

11h 50m1 stop

$440Southwest

Find Deal

Thu, Aug 21 - Mon, Aug 25

6:00 am - 4:00 pmISP-PDX

13h 00m1 stop

9:05 pm - 11:55 amPDX-ISP

11h 50m1 stop

$510Southwest

Find Deal

Thu, Sep 11 - Tue, Sep 16

2:19 pm - 7:04 pmISP-PDX

31h 45m3 stops

12:07 pm - 7:41 pmPDX-ISP

28h 34m3 stops

$777

Find Deal

Thu, Sep 11 - Tue, Sep 16

7:36 pm - 7:23 pmISP-PDX

26h 47m2 stops

12:07 pm - 7:41 pmPDX-ISP

28h 34m3 stops

$893

Find Deal

Useful Info

Cheapest flight	$373

Flight from Islip to Portland

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.

What is the cheapest flight from Islip to Portland?
In the last 3 days, the lowest price for a flight from Islip to Portland was $373 for a round-trip ticket.
Do I need a passport to fly between Islip and Portland?
A passport is not required to fly from Islip to Portland.
Which airports will I be using when flying from Islip to Portland?
On your way to Portland, you’ll fly out from Islip Long Island. You’ll be landing at 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.

Everything you need to know for your flight from Islip to Portland

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Islip (ISP)

Portland (PDX)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ISP - PDX

$373 Find Cheap Flights from Islip to Portland

KAYAK searches hundreds of travel sites at once for deals on flights to Portland

Cheap Flights from Islip to Portland (ISP-PDX)

Recent round-trip flight deals from Islip to Portland

Recent one-way flight deals from Islip to Portland

Recent last minute flight deals from Islip to Portland

Good to know

When to book flights from Islip to Portland

FAQs for booking flights from Islip to Portland

What is the cheapest flight from Islip to Portland?

In the last 3 days, the lowest price for a flight from Islip to Portland was $373 for a round-trip ticket.

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

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

Which airports will I be using when flying from Islip to Portland?

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

Everything you need to know for your flight from Islip to Portland

Information on your arrival and departure airports

Cabin class types available on flights from Islip to Portland

Complete your trip to Portland with a hotel stay or car rental

Find direct flights to and from Islip and Portland

Flights to other popular destinations

Flights from domestic origins to Portland

Choose which airport to fly into in Portland

Find deals for your return flight