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$118+ Cheap flights from New Windsor to San Antonio (SWF - SAT)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SAT
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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Cheap flight deals from Stewart to San Antonio

Cheapest flights from Stewart to San Antonio
Explore the most affordable flight options available from Stewart to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 8/112:05 pm
SWF
-
SAT
1 stop22h 10m
Breeze Airways
Fri 8/2111:30 am
SAT
-
SWF
2 stops22h 55m
Breeze Airways
Deal found 3/20$329
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sat 5/2312:05 pm
SWF
-
SAT
1 stop22h 00m
Multiple Airlines
Sat 5/302:12 pm
SAT
-
SWF
1 stop17h 46m
Multiple Airlines
Deal found 3/24$370
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1611:45 am
SWF
-
SAT
1 stop13h 06m
Multiple Airlines
Sat 4/186:30 pm
SAT
-
SWF
1 stop15h 38m
Multiple Airlines
Deal found 3/20$394
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sat 6/2712:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Sat 7/46:00 am
SAT
-
SWF
1 stop26h 38m
Multiple Airlines
Deal found 3/24$395
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sat 8/2212:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Sun 9/66:00 am
SAT
-
SWF
1 stop11h 40m
Multiple Airlines
Deal found 3/22$418
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/1611:45 am
SWF
-
SAT
1 stop13h 06m
Multiple Airlines
Wed 4/224:49 pm
SAT
-
SWF
2 stops17h 19m
Multiple Airlines
Deal found 3/24$423
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Wed 7/112:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Mon 7/612:45 pm
SAT
-
SWF
1 stop21h 23m
Multiple Airlines
Deal found 3/24$432
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 6/2412:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Sat 6/2712:45 pm
SAT
-
SWF
1 stop19h 13m
Multiple Airlines
Deal found 3/20$444
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Wed 7/112:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Sat 8/224:53 pm
SAT
-
SWF
2 stops16h 34m
Multiple Airlines
Deal found 3/23$446
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/911:45 am
SWF
-
SAT
1 stop22h 42m
Multiple Airlines
Sun 4/121:22 pm
SAT
-
SWF
1 stop20h 28m
Multiple Airlines
Deal found 3/21$451

Find flight deals from Stewart to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Stewart (SWF) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Kiwi.com)

One-way from

$118
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$481
Provider with most accurate pricing for New Windsor Stewart-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Windsor Stewart-San Antonio flights.
Search Deals
From New Windsor Stewart to San Antonio
Search Deals
One-way flight from New Windsor Stewart to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart to San Antonio 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 March 25, 2026.
Use the filters below to find and compare flights from New Windsor to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 4/16

11:45 am-11:51 pm

1 stop13h 06m

San Antonio

Sat 4/18

6:30 pm-11:08 am

1 stop15h 38m

$394

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 4/16

11:45 am-11:51 pm

1 stop13h 06m

San Antonio

Wed 4/22

4:49 pm-11:08 am

2 stops17h 19m

$423

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Sat 5/23

12:05 pm-1:17 pm

2 stops26h 12m

San Antonio

Sat 5/30

2:12 pm-8:58 am

1 stop17h 46m

$437

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 5/21

10:28 am-11:59 pm

1 stop14h 31m

San Antonio

Sun 5/24

2:12 pm-8:51 am

1 stop17h 39m

$499

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 6/18

9:38 am-11:50 am

1 stop27h 12m

San Antonio

Mon 6/22

12:45 pm-11:08 am

1 stop21h 23m

$500

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 4/16

11:45 am-11:51 pm

1 stop13h 06m

San Antonio

Sun 4/19

2:12 pm-11:31 am

2 stops20h 19m

$506

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Sun 6/21

10:28 am-11:49 pm

1 stop14h 21m

San Antonio

Thu 6/25

8:56 pm-7:10 pm

2 stops45h 14m

$663

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Sat 6/20

12:05 pm-9:15 am

1 stop22h 10m

San Antonio

Mon 6/22

11:30 am-11:08 am

3 stops22h 38m

$863

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Wed 5/6

12:05 pm-8:15 am

1 stop21h 10m

San Antonio

Sun 5/10

9:55 am-11:37 am

3 stops24h 42m

$903
Cheapest one-way

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 4/9

11:45 am-9:27 am

1 stop22h 42m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Stewart to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Stewart to San Antonio in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New Windsor-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Windsor-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Windsor-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Windsor-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Windsor-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Stewart to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio 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 San Antonio

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

Currently, December is the cheapest month in which you can book a flight from New Windsor to San Antonio (average of $56). Flying from New Windsor to San Antonio in September is currently the most expensive (average of $163). 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 Stewart to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Stewart to San Antonio?

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

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

    Yes. Cheapflights offers flight deals from Stewart to San Antonio 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 San Antonio?

    Currently, December is the cheapest month in which you can book a flight from New Windsor to San Antonio (average of $56). Flying from New Windsor to San Antonio in September is currently the most expensive (average of $163). 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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