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Stewart

$370+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SWF
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

July

Cheapest in

February

Average price

$540
Provider with most accurate pricing for Lisbon Humberto Delgado-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-New York (NYC) flights.
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Highest demand for flights based on searches. 14% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/38:55 pmOPO - SWF
2 stops50h 45mMultiple Airlines
Deal found 11/2$370
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 1/117:05 amLIS - SWF
2 stops40h 38mMultiple Airlines
Deal found 11/1$444
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/46:10 amOPO - SWF
3 stops34h 34mMultiple Airlines
Deal found 11/2$452
This Mytrip deal was found by Cheapflights users on 11/2. 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 12/148:35 amLIS - SWF
2 stops32h 02mMultiple Airlines
Deal found 11/2$462
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 1/106:10 amLIS - SWF
2 stops34h 23mMultiple Airlines
Deal found 11/3$464
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/612:40 pmOPO - SWF
3 stops51h 57mMultiple Airlines
Deal found 11/1$485
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/1212:40 pmOPO - SWF
3 stops51h 23mMultiple Airlines
Deal found 11/2$502
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/1010:00 amLIS - SWF
2 stops30h 03mMultiple Airlines
Deal found 11/1$503
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/207:00 amLIS - SWF
3 stops33h 44mMultiple Airlines
Deal found 11/3$512
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/196:30 amLIS - SWF
2 stops31h 25mMultiple Airlines
Deal found 11/1$516
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/78:35 amLIS - SWF
2 stops32h 02mMultiple Airlines
Deal found 11/3$519
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 1/87:00 amLIS - SWF
3 stops33h 31mMultiple Airlines
Deal found 11/3$520

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 November 3, 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

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Wed 12/3

8:55 pm-6:40 pm

2 stops50h 45m

$370

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Sun 1/11

7:05 am-6:43 pm

2 stops40h 38m

$444

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Sun 12/14

8:35 am-11:37 am

2 stops32h 02m

$462

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Sat 12/6

12:40 pm-11:37 am

3 stops51h 57m

$485

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Sat 1/10

6:10 am-11:33 am

2 stops34h 23m

$491

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Fri 12/12

12:40 pm-11:03 am

3 stops51h 23m

$502

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Wed 12/10

10:00 am-11:03 am

2 stops30h 03m

$503

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 11/20

7:00 am-11:44 am

3 stops33h 44m

$512

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Fri 12/19

6:30 am-8:55 am

2 stops31h 25m

$516

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Thu 1/8

7:00 am-11:31 am

3 stops33h 31m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 16 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, January is the cheapest month in which you can book a flight from Portugal to New Windsor (average of $390). Flying from Portugal to New Windsor in August is currently the most expensive (average of $497). 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, January is the cheapest month in which you can book a flight from Portugal to New Windsor (average of $390). Flying from Portugal to New Windsor in August is currently the most expensive (average of $497). 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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