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Stewart

$260+ Cheap flights from Portland to New Windsor (PDX - SWF)

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SWF
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Portland to Stewart

One-way flights from Portland to Stewart
Search for one-way flight options from Portland to Stewart. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/122:48 pm
PDX
-
SWF
2 stops47h 41m
Allegiant Air
Deal found 6/7$260
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:19 pm
PDX
-
SWF
2 stops20h 35m
Multiple Airlines
Deal found 6/7$262
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:16 pm
PDX
-
SWF
3 stops37h 22m
Multiple Airlines
Deal found 6/10$271
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:49 pm
PDX
-
SWF
2 stops37h 04m
Multiple Airlines
Deal found 6/8$280
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:57 am
PDX
-
SWF
2 stops53h 57m
Allegiant Air
Deal found 6/7$291
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:49 pm
PDX
-
SWF
2 stops21h 05m
Multiple Airlines
Deal found 6/7$293
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:57 am
PDX
-
SWF
2 stops53h 57m
Allegiant Air
Deal found 6/8$298
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:49 pm
PDX
-
SWF
2 stops19h 01m
Multiple Airlines
Deal found 6/9$299

Find flight deals from Portland to Stewart

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Stewart (SWF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

February

Average price

$456
Provider with most accurate pricing for Portland-New Windsor Stewart flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-New Windsor Stewart flights.
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Stewart 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 June 11, 2026.
Use the filters below to find and compare flights from Portland to New Windsor that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Fri 7/3

6:19 pm-5:54 pm

2 stops20h 35m

$262

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Tue 8/4

5:16 pm-9:38 am

3 stops37h 22m

$271

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Fri 9/4

5:42 pm-10:23 am

3 stops37h 41m

$305

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Sun 8/9

6:49 pm-11:08 am

2 stops37h 19m

$316
Quickest one-way

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Fri 8/7

5:49 pm-3:50 pm

2 stops19h 01m

$318

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Fri 7/24

5:49 pm-5:54 pm

2 stops21h 05m

$319

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Sun 8/30

12:26 pm-11:08 am

3 stops43h 42m

$321

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Tue 7/21

5:16 pm-9:38 am

3 stops37h 22m

$346

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Wed 7/29

5:21 pm-6:51 pm

3 stops46h 30m

$346

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Mon 7/13

4:01 pm-6:56 pm

2 stops47h 55m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Portland-New Windsor flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-New Windsor flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-New Windsor flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-New Windsor flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-New Windsor flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from Portland 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.

Related info for your journey

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

  • Can I find deals for flights from Portland to Stewart that include hotel bookings?

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

  • How can I find direct flights from Portland to Stewart?

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

  • Can I find deals for business class flights from Portland to Stewart?

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

Traveling to a place near New Windsor?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

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