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$121+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SAT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$295
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$313
From New Windsor Stewart to San Antonio
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One-way flight from New Windsor Stewart to San Antonio
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Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/611:01 amSWF - SAT
1 stop8h 29mMultiple Airlines
Thu 10/97:35 pmSAT - SWF
1 stop14h 16mMultiple Airlines
Deal found 9/16$295
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/2612:17 pmSWF - SAT
1 stop27h 54mMultiple Airlines
Fri 12/56:00 amSAT - SWF
1 stop11h 40mMultiple Airlines
Deal found 9/15$375
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1011:41 amSWF - SAT
2 stops36h 59mMultiple Airlines
Sun 10/127:35 pmSAT - SWF
1 stop13h 36mMultiple Airlines
Deal found 9/16$417
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 12/157:30 pmSWF - SAT
1 stop27h 57mMultiple Airlines
Fri 12/196:33 pmSAT - SWF
1 stop13h 22mMultiple Airlines
Deal found 9/16$502
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 12/216:28 pmSWF - SAT
2 stops52h 59mMultiple Airlines
Sun 1/184:16 pmSAT - SWF
1 stop17h 03mMultiple Airlines
Deal found 9/14$587
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1211:43 amSWF - SAT
1 stop29h 07mMultiple Airlines
Sat 10/185:32 pmSAT - SWF
2 stops16h 31mMultiple Airlines
Deal found 9/16$588
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 12/2311:43 amSWF - SAT
1 stop11h 44mMultiple Airlines
Sat 12/276:33 pmSAT - SWF
1 stop15h 30mMultiple Airlines
Deal found 9/16$997
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 12/2111:43 amSWF - SAT
1 stop11h 44mMultiple Airlines
Sat 1/36:33 pmSAT - SWF
1 stop15h 30mMultiple Airlines
Deal found 9/15$1,126
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 12/2612:24 pmSWF - SAT
2 stops11h 03mMultiple Airlines
Sat 1/36:33 pmSAT - SWF
1 stop15h 30mMultiple Airlines
Deal found 9/16$2,089

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 September 17, 2025.
Use the filters below to find and compare flights from New Windsor to San Antonio that are best for you.

Fly from

Stewart

Fly to

San Antonio

Route

Depart

Return

Price

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Mon 10/6

11:01 am-6:30 pm

1 stop8h 29m

San Antonio

Thu 10/9

7:35 pm-10:51 am

1 stop14h 16m

$295

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Wed 11/26

12:17 pm-3:11 pm

1 stop27h 54m

San Antonio

Fri 12/5

6:00 am-6:40 pm

1 stop11h 40m

$375

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Fri 10/10

11:41 am-11:40 pm

2 stops36h 59m

San Antonio

Sun 10/12

7:35 pm-10:11 am

1 stop13h 36m

$417

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Mon 12/15

7:30 pm-10:27 pm

1 stop27h 57m

San Antonio

Fri 12/19

6:33 pm-8:55 am

1 stop13h 22m

$502

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Thu 2/19

11:48 am-10:27 pm

1 stop11h 39m

San Antonio

Sun 2/22

4:16 pm-11:32 am

1 stop18h 16m

$521

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Sun 12/21

6:28 pm-10:27 pm

2 stops52h 59m

San Antonio

Sun 1/18

4:16 pm-10:19 am

1 stop17h 03m

$587

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Sun 10/12

11:43 am-3:50 pm

1 stop29h 07m

San Antonio

Sat 10/18

5:32 pm-11:03 am

2 stops16h 31m

$588

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Tue 12/23

11:43 am-10:27 pm

1 stop11h 44m

San Antonio

Sat 12/27

6:33 pm-11:03 am

1 stop15h 30m

$997

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Fri 12/26

12:24 pm-10:27 pm

2 stops11h 03m

San Antonio

Sat 1/3

6:33 pm-11:03 am

1 stop15h 30m

$2,089

New WindsorSan Antonio

SWF - SAT

SWFSAT

New Windsor Stewart

Mon 11/17

12:01 pm-3:11 pm

1 stop28h 10m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
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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, August is the cheapest month in which you can book a flight from New Windsor to San Antonio (average of $295). Flying from New Windsor to San Antonio in March is currently the most expensive (average of $376). 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, August is the cheapest month in which you can book a flight from New Windsor to San Antonio (average of $295). Flying from New Windsor to San Antonio in March is currently the most expensive (average of $376). 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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