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Portugal

$353+ Cheap flights from New Windsor (SWF) to Portugal

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — LIS
juil. 1 — juil. 81
mer. 7/1
mer. 7/8
1 adult, Economy
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Cheap flight deals from Stewart to Portugal

One-way flights from Stewart to Portugal
Search for one-way flight options from Stewart to Portugal. Find affordable one-way fares based on user searches. Data last updated juin 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
sam. 9/1212:39 pm
SWF
-
FAO
3 stops39h 16m
Multiple Airlines
Deal found 5/30$353
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
sam. 7/1112:05 pm
SWF
-
OPO
3 stops51h 20m
Multiple Airlines
Deal found 5/28$363
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
ven. 6/129:39 am
SWF
-
LIS
3 stops54h 16m
Multiple Airlines
Deal found 5/28$392
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
sam. 7/256:44 pm
SWF
-
LIS
2 stops57h 26m
Multiple Airlines
Deal found 5/31$398
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
mar. 7/1411:48 am
SWF
-
LIS
2 stops27h 07m
Multiple Airlines
Deal found 5/31$401
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
dim. 7/1910:33 am
SWF
-
LIS
3 stops51h 22m
Multiple Airlines
Deal found 5/31$409
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
mar. 7/711:48 am
SWF
-
LIS
2 stops29h 42m
Multiple Airlines
Deal found 5/29$412
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
mer. 7/227:46 pm
SWF
-
OPO
2 stops42h 49m
Multiple Airlines
Deal found 6/1$413
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
dim. 7/1210:33 am
SWF
-
LIS
2 stops26h 22m
Multiple Airlines
Deal found 5/29$415
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
mer. 10/2812:39 pm
SWF
-
LIS
3 stops40h 21m
Multiple Airlines
Deal found 5/29$424
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
mar. 6/2311:48 am
SWF
-
LIS
3 stops54h 52m
Multiple Airlines
Deal found 5/29$428
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
mar. 8/1111:48 am
SWF
-
OPO
2 stops30h 12m
Multiple Airlines
Deal found 6/1$431

Find flight deals from Stewart to Portugal

Keep the following information in mind while searching for Stewart to Portugal flight deals. Data was last updated juin 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$943
Provider with most accurate pricing for New York (NYC)-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Lisbon Humberto Delgado flights.
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 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 Stewart to Portugal 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 juin 1, 2026.
Use the filters below to find and compare flights from New Windsor to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

mer. 7/22

7:46 pm-7:35 pm

2 stops42h 49m

$413

New WindsorLisbon

SWF - LIS

SWFLIS

New Windsor Stewart

mar. 6/23

11:48 am-11:40 pm

3 stops54h 52m

$428

New WindsorLisbon

SWF - LIS

SWFLIS

New Windsor Stewart

sam. 8/29

12:05 pm-9:00 am

3 stops39h 55m

$445

New WindsorFaro

SWF - FAO

SWFFAO

New Windsor Stewart

lun. 8/10

12:17 pm-4:55 pm

3 stops23h 38m

$447

New WindsorFaro

SWF - FAO

SWFFAO

New Windsor Stewart

jeu. 7/30

10:33 am-9:20 pm

3 stops29h 47m

$448

New WindsorLisbon

SWF - LIS

SWFLIS

New Windsor Stewart

dim. 7/19

10:33 am-9:10 am

2 stops41h 37m

$448

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

jeu. 7/23

10:33 am-11:55 pm

3 stops32h 22m

$451

New WindsorFaro

SWF - FAO

SWFFAO

New Windsor Stewart

ven. 7/3

12:17 pm-10:25 pm

3 stops29h 08m

$452

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

mer. 10/28

12:39 pm-5:15 pm

3 stops24h 36m

$458

New WindsorLisbon

SWF - LIS

SWFLIS

New Windsor Stewart

mer. 7/15

7:46 pm-9:15 pm

2 stops44h 29m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 30 resultsSorted by cheapest first
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Best time to book a flight from Stewart to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Stewart 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 New Windsor to Portugal
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Stewart to Portugal. 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 from for flights from New Windsor to Portugal?

    If you book a flight to Portugal from New Windsor, you will be flying from Stewart, which is the city’s only airport. New Windsor Stewart (SWF) is located 4.3 mi from the center of New Windsor.

  • What are the most popular routes from New Windsor to Portugal?

    While some choose either New Windsor Stewart - Lisbon Humberto Delgado or New Windsor Stewart - Porto, New Windsor Stewart - Faro is the most popular route from New Windsor to Portugal.

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

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

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

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

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

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

See more FAQs

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