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Stewart

$392+ Cheap flights from Portugal to New Windsor (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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SWF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Portugal to Stewart

Keep the following information in mind while searching for Portugal to Stewart flight deals. Data was last updated September 15, 2025.

Popular in

July

Cheapest in

February

Average price

$605
Highest demand for flights based on searches. 15% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Portugal to Stewart

One-way flights from Portugal to Stewart
Search for one-way flight options from Portugal to Stewart. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/147:35 pmLIS - SWF
2 stops52h 08mMultiple Airlines
Deal found 9/15$392
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:05 amOPO - SWF
2 stops33h 58mMultiple Airlines
Deal found 9/13$430
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:55 amLIS - SWF
2 stops34h 08mMultiple Airlines
Deal found 9/14$447
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:10 pmOPO - SWF
3 stops46h 53mMultiple Airlines
Deal found 9/13$479
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:05 amOPO - SWF
3 stops33h 58mMultiple Airlines
Deal found 9/13$486
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:10 pmOPO - SWF
3 stops46h 53mMultiple Airlines
Deal found 9/13$492
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:20 amLIS - SWF
2 stops31h 33mMultiple Airlines
Deal found 9/15$502
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:30 pmLIS - SWF
3 stops41h 33mMultiple Airlines
Deal found 9/15$510
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amLIS - SWF
3 stops36h 11mMultiple Airlines
Deal found 9/14$528
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:00 pmLIS - SWF
2 stops27h 41mMultiple Airlines
Deal found 9/15$530
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:45 pmLIS - SWF
3 stops44h 18mMultiple Airlines
Deal found 9/15$537
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:05 amOPO - SWF
3 stops33h 39mMultiple Airlines
Deal found 9/15$542

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal 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 September 15, 2025.
Use the filters below to find and compare flights from Portugal to New Windsor that are best for you.

Fly from

Portugal

Fly to

Stewart

Route

Depart

Return

Price

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Wed 1/14

7:35 pm-6:43 pm

2 stops52h 08m

$392

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Wed 10/8

5:55 am-11:03 am

2 stops34h 08m

$447

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Wed 9/24

6:05 am-11:03 am

3 stops33h 58m

$496

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Mon 11/24

6:20 am-8:53 am

2 stops31h 33m

$502

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Tue 9/30

10:30 pm-11:03 am

3 stops41h 33m

$510

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Sun 10/26

6:00 am-2:11 pm

3 stops36h 11m

$528

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 10/16

12:00 pm-10:41 am

2 stops27h 41m

$530

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Fri 9/26

7:45 pm-11:03 am

3 stops44h 18m

$537

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Thu 11/13

7:05 am-11:44 am

3 stops33h 39m

$542

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Sun 10/26

12:40 pm-2:11 pm

3 stops29h 31m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
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Best time to book a flight from Portugal to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from Portugal 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 Portugal to New Windsor

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

Currently, October is the cheapest month in which you can book a flight from Portugal to New Windsor (average of $109). Flying from Portugal to New Windsor in December is currently the most expensive (average of $202). 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 Portugal to Stewart. 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 New Windsor from Portugal?

    New Windsor Stewart (SWF) is the airport you will fly into if you book a flight from Portugal to New Windsor. It is only a 4.3 mi journey from Stewart (SWF) to New Windsor’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal 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 Portugal to New Windsor?

    Currently, October is the cheapest month in which you can book a flight from Portugal to New Windsor (average of $109). Flying from Portugal to New Windsor in December is currently the most expensive (average of $202). 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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