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Stewart

$204+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SWF
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheap 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 July 28, 2025.

Round-trip from

$785
(Mytrip)

One-way from

$204
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$398
From Portland to New Windsor Stewart
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One-way flight from Portland to New Windsor Stewart
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Highest demand for flights based on searches. 6% potential increase in price ($27 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 July 2025
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Find flight deals from Portland to Stewart

Cheapest flights from Portland to Stewart
Explore the most affordable flight options available from Portland to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Mytrip deal was found by Cheapflights users on 7/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/93:10 pmPDX - SWF
2 stops25h 02mMultiple Airlines
Sun 8/247:52 pmSWF - PDX
3 stops26h 05mMultiple Airlines
Deal found 7/26$785

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 July 28, 2025.
Use the filters below to find and compare flights from Portland to New Windsor that are best for you.

Fly from

Portland

Fly to

Stewart

Route

Depart

Return

Price

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Sat 8/9

3:10 pm-7:12 pm

2 stops25h 02m

New Windsor Stewart

Sun 8/24

7:52 pm-6:57 pm

3 stops26h 05m

$785

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Sun 8/24

7:52 pm-4:46 pm

3 stops17h 54m

$204

PortlandNew Windsor

PDX - SWF

PDXSWF

Portland

Fri 8/15

3:12 pm-5:10 pm

2 stops22h 58m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

Cheapflights Insights

Everything you need to know about your flight from Portland to New Windsor

What is the cheapest month to book a flight from Portland to New Windsor?

Currently, October is the cheapest month in which you can book a flight from Portland to New Windsor (average of $109). Flying from Portland to New Windsor in August is currently the most expensive (average of $206). 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.

What is the cheapest time of day to fly from PDX to SWF?

Find hourly flight availability from Portland to Stewart. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

When flying from Portland to New Windsor, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Stewart

Get insights into the airlines that provide service to Stewart. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Stewart. Reviews last updated July 28, 2025.
Peruse reviews from past customers who have flown with Allegiant Air from Portland to New Windsor to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
702 reviews

Comfort

6.8

Entertainment

5.5

Crew

8.1

Food

5.9

Overall

7.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.
Allegiant Air
7.2
Good
702 reviews
Allegiant Air
7.2
Good
702 reviews

Comfort

6.8

Entertainment

5.5

Crew

8.1

Food

5.9

Overall

7.2

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

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.

  • What is the cheapest month to book a flight from Portland to New Windsor?

    Currently, October is the cheapest month in which you can book a flight from Portland to New Windsor (average of $109). Flying from Portland to New Windsor in August is currently the most expensive (average of $206). 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 New Windsor?

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

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