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$488+ Cheap flights from Islip, NY (ISP) to Oregon

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PDX
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Islip to Oregon

Cheapest flights from Islip to Oregon
Explore the most affordable flight options available from Islip to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Southwest deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:40 pm
ISP
-
PDX
2 stops12h 25m
Southwest
Mon 8/1010:45 pm
PDX
-
ISP
1 stop8h 30m
Southwest
Deal found 2/3$488
This Southwest deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:40 pm
ISP
-
PDX
2 stops12h 35m
Southwest
Sun 2/226:45 am
PDX
-
ISP
2 stops13h 45m
Southwest
Deal found 2/3$643
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:50 am
ISP
-
PDX
2 stops11h 25m
Southwest
Sat 2/217:15 am
PDX
-
ISP
2 stops11h 45m
Southwest
Deal found 2/2$872
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:59 am
ISP
-
PDX
2 stops16h 45m
Multiple Airlines
Sun 2/227:15 am
PDX
-
ISP
1 stop8h 29m
Multiple Airlines
Deal found 2/3$1,355

Find flight deals from Islip to Oregon

Keep the following information in mind while searching for Islip to Oregon flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$493
(Southwest)

Popular in

December

Cheapest in

February

Average price

$317
Provider with most accurate pricing for New York (NYC)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Portland flights.
Search Deals
From Islip Long Island to Oregon
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Oregon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Islip to Oregon that are best for you.

Fly from

Islip

Fly to

Oregon

Route

Depart

Return

Price

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Tue 3/3

12:40 pm-10:05 pm

2 stops12h 25m

Portland

Mon 8/10

10:45 pm-10:15 am

1 stop8h 30m

$488

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Tue 3/3

12:40 pm-10:15 pm

2 stops12h 35m

Portland

Tue 3/10

8:40 am-10:50 pm

2 stops11h 10m

$493

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Wed 2/18

12:40 pm-10:15 pm

2 stops12h 35m

Portland

Sun 2/22

6:45 am-11:30 pm

2 stops13h 45m

$643

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Tue 2/17

11:50 am-8:15 pm

2 stops11h 25m

Portland

Sat 2/21

7:15 am-10:00 pm

2 stops11h 45m

$872

IslipPortland

ISP - PDX

ISPPDX

Islip Long Island

Wed 2/18

9:59 am-11:44 pm

2 stops16h 45m

Portland

Sun 2/22

7:15 am-6:44 pm

1 stop8h 29m

$1,355

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Best time to book a flight from Islip to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Oregon

What is the cheapest month to book a flight from Islip, New York to Oregon?

Currently, March is the cheapest month in which you can book a flight from Islip, New York to Oregon (average of $146). Flying from Islip, New York to Oregon in December is currently the most expensive (average of $258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Oregon?

    For a flight from Islip to Oregon, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

  • How long is the flight from Islip, New York to Oregon?

    Southwest can get you from Islip, New York to Oregon in just under 12h 35m. Your travel time can differ by up to . The distance from Islip, New York to Oregon is about 2474 mi.

  • Can I find deals for flights from Islip to Oregon that include hotel bookings?

    Yes. In addition to deals on Islip to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Oregon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Oregon.

  • Can I find deals for business class flights from Islip to Oregon?

    Yes. Cheapflights offers flight deals from Islip to Oregon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Oregon?

    Currently, March is the cheapest month in which you can book a flight from Islip, New York to Oregon (average of $146). Flying from Islip, New York to Oregon in December is currently the most expensive (average of $258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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