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Portugal

$365+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 5/1312:05 pm
SWF
-
OPO
3 stops25h 40m
Multiple Airlines
Deal found 1/28$365

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$537
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. 18% potential increase in price ($167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from New Windsor to Portugal that are best for you.

Fly from

Stewart

Fly to

Portugal

Route

Depart

Return

Price

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

Wed 5/13

12:05 pm-6:45 pm

3 stops25h 40m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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

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

Currently, July is the cheapest month in which you can book a flight from New Windsor to Portugal (average of $374). Flying from New Windsor to Portugal in June is currently the most expensive (average of $456). 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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from New Windsor to Portugal, such as PLAY. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
PLAY
7.0
Good

Overall

7.0

Entertainment

4.7

Food

5.5

Crew

8.0

Boarding

7.3

Comfort

6.5

Reviews

1 / 2
4.0
Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.
PLAY
7.0
Good
PLAY
7.0
Good

Overall

7.0

Entertainment

4.7

Food

5.5

Crew

8.0

Boarding

7.3

Comfort

6.5

Reviews

1 / 2
4.0
Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.

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 - Faro or New Windsor Stewart - Lisbon Humberto Delgado, New Windsor Stewart - Ponta Delgada Nordela 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.

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

    Currently, July is the cheapest month in which you can book a flight from New Windsor to Portugal (average of $374). Flying from New Windsor to Portugal in June is currently the most expensive (average of $456). 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

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Top airline flying from Stewart to Portugal

Discover the top airline that operate flights from Stewart to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$332Average$446FlexibilityNo cancel feeOn-timeN/A

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