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Stewart

$347+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SWF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$763
(Mytrip)

One-way from

$347
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$761
From Portugal to New Windsor Stewart
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One-way flight from Portugal to New Windsor Stewart
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Highest demand for flights based on searches. 17% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Portugal to Stewart

Cheapest flights from Portugal to Stewart
Explore the most affordable flight options available from Portugal to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:10 pmLIS - SWF
3 stops24h 55mMultiple Airlines
Sat 8/237:15 pmSWF - LIS
2 stops21h 40mMultiple Airlines
Deal found 7/29$763
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:05 pmOPO - SWF
1 stop26h 00mPLAY
Mon 8/117:15 pmSWF - OPO
1 stop19h 50mPLAY
Deal found 7/28$1,074
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:30 amOPO - SWF
2 stops16h 35mMultiple Airlines
Thu 8/287:15 pmSWF - OPO
3 stops18h 40mMultiple Airlines
Deal found 7/29$1,212

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 July 30, 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

Mon 8/18

10:10 pm-6:05 pm

3 stops24h 55m

New Windsor Stewart

Sat 8/23

7:15 pm-9:55 pm

2 stops21h 40m

$763

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Thu 8/14

6:30 am-6:05 pm

2 stops16h 35m

New Windsor Stewart

Thu 8/28

7:15 pm-6:55 pm

3 stops18h 40m

$1,212

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Wed 9/10

5:55 am-10:53 am

2 stops33h 58m

$347

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Mon 8/25

9:25 pm-6:05 pm

1 stop25h 40m

$369

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Sun 9/21

5:55 am-11:44 am

3 stops34h 49m

$405

LisbonNew Windsor

LIS - SWF

LISSWF

Lisbon Humberto Delgado

Mon 8/25

9:25 pm-6:05 pm

1 stop25h 40m

$425

PortoNew Windsor

OPO - SWF

OPOSWF

Porto

Tue 8/19

9:05 pm-6:05 pm

1 stop26h 00m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 August is currently the most expensive (average of $206). 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 Stewart

Get insights into the airlines that provide service to Stewart. 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 Stewart. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with PLAY from Portugal to New Windsor to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
PLAY
7.0
Good
102 reviews

Entertainment

4.7

Food

5.5

Overall

7.0

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
102 reviews
PLAY
7.0
Good
102 reviews

Entertainment

4.7

Food

5.5

Overall

7.0

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 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 August is currently the most expensive (average of $206). 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?

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