$314+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — LIS
Sep 26 — Oct 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Stewart to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Stewart to Portugal
Cheapest
Best
One-way
Cheapest flights from Stewart to PortugalExplore the most affordable flight options available from Stewart to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
Explore the most affordable flight options available from Stewart to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 12/1011:06 am -
1 stop18h 24m
Fri 12/185:00 pm -
2 stops46h 26m
Deal found 8/27![Multiple Airlines logo]()
$1,082
Best flights from Stewart to PortugalDiscover carefully curated flight deals from Stewart to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Stewart to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 12/1011:06 am -
1 stop18h 24m
Fri 12/185:00 pm -
2 stops46h 26m
Deal found 8/27![Multiple Airlines logo]()
$1,082
One-way flights from Stewart to PortugalSearch for one-way flight options from Stewart to Portugal. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Stewart to Portugal. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/1110:56 am -
2 stops25h 34m
Deal found 8/26![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/235:39 pm -
2 stops49h 36m
Deal found 8/25![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 1/2110:56 am -
2 stops21h 14m
Deal found 8/25![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/410:56 am -
3 stops47h 14m
Deal found 8/24![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 11/1112:39 pm -
3 stops49h 36m
Deal found 8/26![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/1510:56 am -
3 stops41h 29m
Deal found 8/22![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/1110:56 am -
3 stops41h 04m
Deal found 8/24![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/1810:56 am -
2 stops28h 04m
Deal found 8/22![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Mon 10/512:16 pm -
3 stops25h 04m
Deal found 8/22![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/2312:39 pm -
3 stops29h 16m
Deal found 8/25![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 10/2412:39 pm -
3 stops40h 51m
Deal found 8/23![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/1810:56 am -
3 stops32h 03m
Deal found 8/25![Multiple Airlines logo]()
$372
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,082 (Kiwi.com) |
One-way from | $314 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $883 |
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 7,457,451 searches. Data last updated August 27, 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
Cheapest round-trip
Quickest round-trip
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Thu 12/10
11:06 am-10:30 am
1 stop18h 24m
Lisbon Humberto Delgado
Fri 12/18
5:00 pm-10:26 am
2 stops46h 26m
$1,082
Cheapest one-way
New WindsorFaro
SWF New Windsor Stewart - FAO Faro
SWFFAO
New Windsor Stewart
Sun 10/11
10:56 am-5:30 pm
2 stops25h 34m
$314
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Fri 10/23
5:39 pm-12:15 am
2 stops49h 36m
$342
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Sun 10/4
10:56 am-3:10 pm
3 stops47h 14m
$349
New WindsorPorto
SWF New Windsor Stewart - OPO Porto
SWFOPO
New Windsor Stewart
Thu 10/15
10:56 am-9:25 am
3 stops41h 29m
$360
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Sun 10/11
10:56 am-9:00 am
3 stops41h 04m
$360
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Sat 10/24
12:39 pm-10:30 am
3 stops40h 51m
$369
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Thu 10/22
10:56 am-6:35 pm
2 stops26h 39m
$373
New WindsorLisbon
SWF New Windsor Stewart - LIS Lisbon Humberto Delgado
SWFLIS
New Windsor Stewart
Mon 10/5
12:16 pm-11:00 pm
3 stops29h 44m
$374
New WindsorPorto
SWF New Windsor Stewart - OPO Porto
SWFOPO
New Windsor Stewart
Sun 10/4
10:56 am-11:59 pm
3 stops32h 03m
$381
Showing 1-10 of 31 resultsSorted by cheapest first
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.
SWF-FAO
SWF-LIS
SWF-OPO
SWF-PDL
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
SWF-PT0
SWF-FAO
SWF-LIS
SWF-OPO
SWF-PDL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top regions