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Islip

$226+ Cheap flights from Oregon to Islip (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ISP
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Oregon to Islip

Keep the following information in mind while searching for Oregon to Islip flight deals. Data was last updated September 16, 2025.

Round-trip from

$647
(Southwest)

One-way from

$226
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$367
From Oregon to Islip Long Island
Search Deals
One-way flight from Oregon to Islip Long Island
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oregon to Islip

Cheapest flights from Oregon to Islip
Explore the most affordable flight options available from Oregon to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Southwest deal was found by Cheapflights users on 9/16. 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.
Fri 10/37:35 pmPDX - ISP
2 stops12h 35mSouthwest
Sun 10/511:20 amISP - PDX
2 stops12h 15mSouthwest
Deal found 9/16$647
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:30 amPDX - ISP
1 stop21h 25mMultiple Airlines
Sun 10/511:25 amISP - PDX
1 stop12h 25mMultiple Airlines
Deal found 9/16$677
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:37 pmPDX - ISP
2 stops11h 21mMultiple Airlines
Wed 9/242:19 pmISP - PDX
1 stop9h 31mMultiple Airlines
Deal found 9/13$854
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 9/277:50 amBOI - ISP
2 stops11h 50mSouthwest
Sun 9/286:00 amISP - BOI
2 stops11h 20mSouthwest
Deal found 9/15$877
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:30 pmPDX - ISP
2 stops10h 28mMultiple Airlines
Wed 9/242:19 pmISP - PDX
1 stop9h 31mMultiple Airlines
Deal found 9/14$892
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:05 amPDX - ISP
2 stops10h 56mMultiple Airlines
Thu 9/252:19 pmISP - PDX
1 stop9h 31mMultiple Airlines
Deal found 9/14$896
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:37 pmPDX - ISP
2 stops11h 21mMultiple Airlines
Fri 9/262:19 pmISP - PDX
1 stop9h 31mMultiple Airlines
Deal found 9/14$924
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:37 pmPDX - ISP
2 stops11h 21mMultiple Airlines
Wed 9/244:33 pmISP - PDX
2 stops10h 42mMultiple Airlines
Deal found 9/14$927
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:05 amPDX - ISP
2 stops10h 56mMultiple Airlines
Mon 9/294:33 pmISP - PDX
2 stops10h 42mMultiple Airlines
Deal found 9/13$941
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:37 pmPDX - ISP
2 stops11h 21mMultiple Airlines
Tue 9/234:33 pmISP - PDX
2 stops10h 42mMultiple Airlines
Deal found 9/16$948
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:35 amBOI - ISP
2 stops11h 26mMultiple Airlines
Wed 9/172:19 pmISP - BOI
2 stops11h 40mMultiple Airlines
Deal found 9/15$1,206
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:35 amBOI - ISP
2 stops11h 26mMultiple Airlines
Fri 10/32:19 pmISP - BOI
2 stops11h 40mMultiple Airlines
Deal found 9/16$1,232

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Islip 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 September 16, 2025.
Use the filters below to find and compare flights from Oregon to Islip that are best for you.

Fly from

Oregon

Fly to

Islip

Route

Depart

Return

Price

PortlandIslip

PDX - ISP

PDXISP

Portland

Fri 10/3

7:35 pm-11:10 am

2 stops12h 35m

Islip Long Island

Sun 10/5

11:20 am-8:35 pm

2 stops12h 15m

$647

PortlandIslip

PDX - ISP

PDXISP

Portland

Fri 10/3

10:30 am-10:55 am

1 stop21h 25m

Islip Long Island

Sun 10/5

11:25 am-8:50 pm

1 stop12h 25m

$677

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sat 9/27

7:50 am-9:40 pm

2 stops11h 50m

Islip Long Island

Sun 9/28

6:00 am-3:20 pm

2 stops11h 20m

$877

PortlandIslip

PDX - ISP

PDXISP

Portland

Fri 9/26

9:30 pm-10:58 am

2 stops10h 28m

Islip Long Island

Mon 9/29

4:33 pm-12:15 am

2 stops10h 42m

$899

PortlandIslip

PDX - ISP

PDXISP

Portland

Sat 9/27

6:05 am-8:01 pm

2 stops10h 56m

Islip Long Island

Wed 10/1

2:19 pm-8:50 pm

1 stop9h 31m

$1,111

PortlandIslip

PDX - ISP

PDXISP

Portland

Sat 9/27

6:05 am-8:01 pm

2 stops10h 56m

Islip Long Island

Tue 9/30

2:19 pm-8:50 pm

1 stop9h 31m

$1,111

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sat 9/27

6:35 am-8:01 pm

2 stops11h 26m

Islip Long Island

Fri 10/3

2:19 pm-11:59 pm

2 stops11h 40m

$1,232

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sat 10/4

6:30 am-8:01 pm

2 stops11h 31m

Islip Long Island

Tue 10/7

2:19 pm-11:57 pm

2 stops11h 38m

$1,294

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sat 9/27

6:35 am-8:01 pm

2 stops11h 26m

Islip Long Island

Tue 9/30

2:19 pm-11:59 pm

2 stops11h 40m

$1,299

PortlandIslip

PDX - ISP

PDXISP

Portland

Fri 10/17

7:35 pm-11:10 am

2 stops12h 35m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 29 results
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Best time to book a flight from Oregon to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Oregon 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 Oregon to Islip

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

Currently, January is the cheapest month in which you can book a flight from Oregon to Islip (average of $108). Flying from Oregon to Islip in November is currently the most expensive (average of $213). 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 Oregon to Islip. 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 into for flights to Islip from Oregon?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Oregon to Islip.

  • How long is the flight from Oregon to Islip?

    Departing from Oregon to Islip will take you 12h 35m. The distance from Oregon to Islip is about 2474 mi.

  • What are the most popular routes from Oregon to Islip?

    While some choose either Boise Air Term. Gowen Fld - Islip Long Island or Bend/Redmond - Islip Long Island, Portland - Islip Long Island is the most popular route from Oregon to Islip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon to Islip 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 Oregon to Islip?

    Currently, January is the cheapest month in which you can book a flight from Oregon to Islip (average of $108). Flying from Oregon to Islip in November is currently the most expensive (average of $213). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Alternative routes for Oregon to Islip

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Top airline flying from Oregon to Islip

Discover the top airline that operate flights from Oregon to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$361Average$414FlexibilityNo cancel feeOn-time63%

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