Which airports can I use when flying from Islip to Portland?

Flights from Islip to Portland usually depart from Islip Long Island (ISP) and arrive at Portland (PDX).

Which airports do connecting flights from Islip to Portland pass through?

Most connecting flights from Islip to Portland pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Islip to Portland?

Yes. Being flexible with your travel dates can save you up to 32% on the Islip to Portland route. Tuesday is the cheapest departure day at $508 round-trip on average, while Friday is the most expensive at $737, a difference of $229. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Portland?

Some of the most popular sights in Portland are Moda Center, Oregon Convention Center and OHSU Center for Health and Healing. These are among the most viewed places in Portland on KAYAK.

How long is a flight from Islip to Portland?

A nonstop flight from Islip to Portland takes 0h 00m, covering 2,474 miles.

Do I need a passport to fly from Islip to Portland?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Islip to Portland changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $493 to $1,829. That means the highest observed fare was about 4x higher than the lowest one.

What is the time difference between Islip and Portland?

Portland is 3 hours behind Islip (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Portland Airport (PDX)?

Portland Airport (PDX) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include: • Thrifty • Dollar • Hertz • Sixt • Payless

What is the cheapest airline to fly from Islip to Portland?

Southwest ($493) offered the cheapest round-trip ticket from Islip to Portland in the last 5 days.

What is the cheapest layover airport when flying from Islip to Portland?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $552. Based on KAYAK data over the past 3 months.

When flying from Islip to Portland which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for Islip to Portland layovers at 385 minutes over the past 3 months.

$493 CHEAP FLIGHTS from Islip to Portland (ISP - PDX)

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Cheapest round-trip

$493

Typical prices: $508-$737

Southwest

Tue 10/9Mon 10/15

ISP - PDX • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Islip and Portland. You'll need to take a connecting flight to reach the destination.

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Flight Deals

Cheap Flights from Islip to Portland (ISP-PDX)

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

Round-trip

One-way

Recent round-trip flight deals from Islip to Portland

Fri, Oct 9 - Thu, Oct 15

3:10 pm - 12:15 amISP Islip Long Island-PDX Portland

12h 05m2 stops Baltimore/Washington Chicago Midway

7:35 pm - 10:20 amPDX Portland-ISP Islip Long Island

11h 45m2 stops Denver Intl Orlando

$493Southwest

Fri, Sep 25 - Tue, Sep 29

10:20 am - 3:00 pmISP Islip Long Island-PDX Portland

7h 40m1 stop Baltimore/Washington

10:45 pm - 10:15 amPDX Portland-ISP Islip Long Island

8h 30m1 stop Baltimore/Washington

$597Southwest

Fri, Sep 25 - Tue, Sep 29

10:20 am - 3:00 pmISP Islip Long Island-PDX Portland

7h 40m1 stop Baltimore/Washington

7:05 am - 9:10 pmPDX Portland-ISP Islip Long Island

11h 05m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

$602Southwest

Fri, Sep 25 - Tue, Sep 29

4:05 pm - 11:45 pmISP Islip Long Island-PDX Portland

10h 40m2 stops Baltimore/Washington Denver Intl

6:45 am - 9:10 pmPDX Portland-ISP Islip Long Island

11h 25m2 stops Denver Intl Baltimore/Washington

$607Southwest

Sun, Sep 27 - Thu, Oct 1

6:20 am - 12:45 pmISP Islip Long Island-PDX Portland

9h 25m1 stop Baltimore/Washington

7:35 pm - 10:20 amPDX Portland-ISP Islip Long Island

11h 45m2 stops Denver Intl Orlando

$622Southwest

Sun, Sep 27 - Thu, Oct 1

6:20 am - 2:05 pmISP Islip Long Island-PDX Portland

10h 45m2 stops Baltimore/Washington Denver Intl

11:35 pm - 2:30 pmPDX Portland-ISP Islip Long Island

11h 55m2 stops Chicago Midway Baltimore/Washington

$627Southwest

Tue, Sep 29 - Sat, Oct 3

2:16 pm - 8:48 pmISP Islip Long Island-PDX Portland

9h 32m1 stop Boston Logan Intl

9:44 pm - 10:30 amPDX Portland-ISP Islip Long Island

9h 46m1 stop Boston Logan Intl

$1,204Multiple Airlines

Fri, Oct 9 - Thu, Oct 15

7:05 am - 8:00 pmISP Islip Long Island-PDX Portland

15h 55m1 stop Boston Logan Intl

9:44 pm - 11:05 amPDX Portland-ISP Islip Long Island

10h 21m1 stop Boston Logan Intl

$1,234Multiple Airlines

Fri, Oct 9 - Thu, Oct 15

7:05 am - 8:00 pmISP Islip Long Island-PDX Portland

15h 55m1 stop Boston Logan Intl

2:53 pm - 11:05 amPDX Portland-ISP Islip Long Island

17h 12m2 stops San Diego Boston Logan Intl

$1,344Multiple Airlines

Sun, Sep 27 - Thu, Oct 1

9:05 am - 8:48 pmISP Islip Long Island-PDX Portland

14h 43m1 stop Boston Logan Intl

9:36 pm - 10:30 amPDX Portland-ISP Islip Long Island

9h 54m1 stop Boston Logan Intl

$1,829Multiple Airlines

Booking Insights

Price, demand and travel trends for Islip to Portland flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Islip to Portland with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Islip to Portland?

Round-trip flights from Islip to Portland start at $493. Prices are below average for this route right now, with typical round-trip fares ranging from $508 to $737. The lowest price found in the past 5 days was $493 on Southwest.

Find deals

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.

Which airports can I use when flying from Islip to Portland?
Flights from Islip to Portland usually depart from Islip Long Island (ISP) and arrive at Portland (PDX).
Which airports do connecting flights from Islip to Portland pass through?
Most connecting flights from Islip to Portland pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Islip to Portland?
Yes. Being flexible with your travel dates can save you up to 32% on the Islip to Portland route. Tuesday is the cheapest departure day at $508 round-trip on average, while Friday is the most expensive at $737, a difference of $229. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Portland?
Some of the most popular sights in Portland are Moda Center, Oregon Convention Center and OHSU Center for Health and Healing. These are among the most viewed places in Portland on KAYAK.
How long is a flight from Islip to Portland?
A nonstop flight from Islip to Portland takes 0h 00m, covering 2,474 miles.
Do I need a passport to fly from Islip to Portland?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Islip to Portland changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $493 to $1,829. That means the highest observed fare was about 4x higher than the lowest one.
What is the time difference between Islip and Portland?
Portland is 3 hours behind Islip (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Portland Airport (PDX)?
Portland Airport (PDX) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
• Thrifty
• Dollar
• Hertz
• Sixt
• Payless

If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $508 - about $229 less than Friday (31% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Portland Airport.
- Country Inn & Suites by Radisson, Portland Air, OR
- Radisson Hotel Portland Airport
- Holiday Inn Portland-Airport (I-205) By IHG

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ISP - PDX

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Everything you should know

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

Price, demand and travel trends for Islip to Portland flights

How much is a round-trip flight from Islip to Portland?

What is the cheapest airline to fly from Islip to Portland?

What is the cheapest layover airport when flying from Islip to Portland?

When flying from Islip to Portland which airport offers the shortest layover?

When to book flights from Islip to Portland

Your Islip to Portland flight questions, answered

Your guide to booking Islip to Portland flights

More options for your flight from Islip to Portland

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

Information on your arrival and departure airports

Cabin class types available on flights from Islip to Portland

Find direct flights to and from Islip and Portland

Flights from domestic origins to Portland

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