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Stewart

$147+ Cheap flights from San Antonio to New Windsor (SAT - 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SWF
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap flight deals from San Antonio to Stewart

Cheapest flights from San Antonio to Stewart
Explore the most affordable flight options available from San Antonio to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/811:30 am
SAT
-
SWF
2 stops22h 55m
Multiple Airlines
Sun 5/1011:45 am
SWF
-
SAT
1 stop13h 06m
Multiple Airlines
Deal found 3/9$298
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/810:22 am
SAT
-
SWF
1 stop23h 33m
Multiple Airlines
Sun 4/1211:45 am
SWF
-
SAT
1 stop22h 42m
Multiple Airlines
Deal found 3/9$300
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 8/56:00 am
SAT
-
SWF
1 stop26h 38m
Multiple Airlines
Sat 8/812:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Deal found 3/9$313
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 6/112:12 pm
SAT
-
SWF
1 stop17h 37m
Multiple Airlines
Sun 6/1410:28 am
SWF
-
SAT
1 stop14h 31m
Multiple Airlines
Deal found 3/10$320
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/2911:30 am
SAT
-
SWF
2 stops22h 55m
Multiple Airlines
Thu 6/410:28 am
SWF
-
SAT
1 stop14h 23m
Multiple Airlines
Deal found 3/10$325
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/302:12 pm
SAT
-
SWF
1 stop17h 46m
Multiple Airlines
Sat 6/612:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Deal found 3/10$327
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/302:12 pm
SAT
-
SWF
1 stop17h 46m
Multiple Airlines
Wed 6/312:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Deal found 3/9$333
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 6/1211:30 am
SAT
-
SWF
2 stops22h 55m
Multiple Airlines
Sun 6/1410:28 am
SWF
-
SAT
1 stop14h 23m
Multiple Airlines
Deal found 3/9$336
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 5/302:12 pm
SAT
-
SWF
1 stop17h 46m
Multiple Airlines
Thu 6/410:28 am
SWF
-
SAT
1 stop14h 23m
Multiple Airlines
Deal found 3/10$338
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 5/132:12 pm
SAT
-
SWF
1 stop17h 46m
Multiple Airlines
Thu 5/1411:45 am
SWF
-
SAT
1 stop13h 14m
Multiple Airlines
Deal found 3/12$344
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 6/32:12 pm
SAT
-
SWF
1 stop17h 46m
Multiple Airlines
Sat 6/612:05 pm
SWF
-
SAT
1 stop22h 10m
Multiple Airlines
Deal found 3/10$349

Find flight deals from San Antonio to Stewart

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Stewart (SWF). 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 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Kiwi.com)

One-way from

$147
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$414
Provider with most accurate pricing for San Antonio-New Windsor Stewart flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-New Windsor Stewart flights.
Search Deals
From San Antonio to New Windsor Stewart
Search Deals
One-way flight from San Antonio to New Windsor Stewart
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% 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 San Antonio 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 March 14, 2026.
Use the filters below to find and compare flights from San Antonio to New Windsor that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Wed 4/8

10:22 am-10:55 am

1 stop23h 33m

New Windsor Stewart

Sun 4/12

11:45 am-9:27 am

1 stop22h 42m

$300

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Wed 8/5

6:00 am-9:38 am

1 stop26h 38m

New Windsor Stewart

Sat 8/8

12:05 pm-9:15 am

1 stop22h 10m

$313

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Thu 6/11

2:12 pm-8:49 am

1 stop17h 37m

New Windsor Stewart

Sun 6/14

10:28 am-11:59 pm

1 stop14h 31m

$320

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Sat 5/30

2:12 pm-8:58 am

1 stop17h 46m

New Windsor Stewart

Wed 6/3

12:05 pm-9:15 am

1 stop22h 10m

$333

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Fri 6/12

11:30 am-11:25 am

2 stops22h 55m

New Windsor Stewart

Sun 6/14

10:28 am-11:51 pm

1 stop14h 23m

$336

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Sat 4/4

10:22 am-9:39 am

1 stop22h 17m

New Windsor Stewart

Thu 4/9

11:45 am-9:27 am

1 stop22h 42m

$391

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Thu 6/4

2:12 pm-8:49 am

1 stop17h 37m

New Windsor Stewart

Sun 6/7

10:28 am-11:51 pm

1 stop14h 23m

$403
Quickest round-trip

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Wed 4/22

4:49 pm-11:08 am

2 stops17h 19m

New Windsor Stewart

Thu 4/30

11:45 am-11:51 pm

1 stop13h 06m

$410

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Wed 5/27

2:12 pm-8:58 am

1 stop17h 46m

New Windsor Stewart

Sun 5/31

10:28 am-11:51 pm

1 stop14h 23m

$458
Cheapest one-way

San AntonioNew Windsor

SAT - SWF

SATSWF

San Antonio

Tue 3/24

2:13 pm-9:39 am

3 stops42h 26m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on San Antonio-New Windsor flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-New Windsor flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-New Windsor flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-New Windsor 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 San Antonio-New Windsor 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 San Antonio to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from San Antonio 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 San Antonio to New Windsor

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

Currently, January is the cheapest month in which you can book a flight from San Antonio to New Windsor (average of $80). Flying from San Antonio to New Windsor in July is currently the most expensive (average of $164). 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 San Antonio to Stewart. 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 San Antonio to Stewart that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to New Windsor?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to New Windsor (average of $80). Flying from San Antonio to New Windsor in July is currently the most expensive (average of $164). 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?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

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