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Stewart

$350+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SWF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/217:35 pmLIS - SWF
2 stops52h 08mMultiple Airlines
Deal found 12/16$350
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 2/57:00 amLIS - SWF
3 stops33h 31mMultiple Airlines
Deal found 12/17$387
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:00 amLIS - SWF
3 stops33h 31mMultiple Airlines
Deal found 12/16$393
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/155:55 amLIS - SWF
2 stops41h 48mMultiple Airlines
Deal found 12/16$441
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 1/227:00 amLIS - SWF
3 stops33h 31mMultiple Airlines
Deal found 12/15$469
This Mytrip deal was found by Cheapflights users on 12/17. 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 1/258:35 amLIS - SWF
2 stops30h 44mMultiple Airlines
Deal found 12/17$483
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 4/2110:10 pmLIS - SWF
3 stops41h 58mMultiple Airlines
Deal found 12/17$486
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 5/276:10 amLIS - SWF
2 stops31h 48mMultiple Airlines
Deal found 12/15$493
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/16:55 amOPO - SWF
3 stops32h 24mMultiple Airlines
Deal found 12/16$504
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:15 pmLIS - SWF
3 stops42h 35mMultiple Airlines
Deal found 12/16$520
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sat 3/76:05 amOPO - SWF
3 stops31h 14mMultiple Airlines
Deal found 12/17$550
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:00 amOPO - SWF
3 stops30h 58mMultiple Airlines
Deal found 12/16$580

Find flight deals from Portugal to Stewart

Keep the following information in mind while searching for Portugal to Stewart flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

July

Cheapest in

February

Average price

$651
Provider with most accurate pricing for Lisbon Humberto Delgado-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-New York (NYC) flights.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 1/21

7:35 pm-6:43 pm

2 stops52h 08m

$350

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 2/5

7:00 am-11:31 am

3 stops33h 31m

$387

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 1/29

7:00 am-11:31 am

3 stops33h 31m

$393

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 1/15

5:55 am-6:43 pm

2 stops41h 48m

$441

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 1/22

7:00 am-11:31 am

3 stops33h 31m

$469

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Tue 4/21

10:10 pm-11:08 am

3 stops41h 58m

$486

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Wed 5/27

6:10 am-8:58 am

2 stops31h 48m

$493

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Sat 4/18

9:15 pm-10:50 am

3 stops42h 35m

$520

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Tue 5/12

6:00 am-8:58 am

3 stops55h 58m

$537

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Sat 3/7

6:05 am-8:19 am

3 stops31h 14m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 17 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 $382). Flying from Portugal to New Windsor in December is currently the most expensive (average of $499). 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 $382). Flying from Portugal to New Windsor in December is currently the most expensive (average of $499). 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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