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$102+ Cheap flights from Austin to San Antonio (AUS - 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Austin to San Antonio

Cheapest flights from Austin to San Antonio
Explore the most affordable flight options available from Austin to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Wed 2/188:30 am
AUS
-
SAT
1 stop8h 45m
Frontier
Wed 2/256:12 pm
SAT
-
AUS
1 stop15h 09m
Frontier
Deal found 1/21$129
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Tue 2/177:15 am
AUS
-
SAT
1 stop26h 15m
Multiple Airlines
Wed 2/186:12 pm
SAT
-
AUS
1 stop15h 09m
Multiple Airlines
Deal found 1/21$159
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/11:12 pm
AUS
-
SAT
1 stop7h 57m
Frontier
Tue 3/35:36 pm
SAT
-
AUS
1 stop29h 37m
Frontier
Deal found 1/22$162
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/11:12 pm
AUS
-
SAT
1 stop7h 57m
Frontier
Wed 2/256:12 pm
SAT
-
AUS
1 stop15h 09m
Frontier
Deal found 1/22$163
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/214:59 pm
AUS
-
SAT
1 stop7h 00m
Multiple Airlines
Mon 2/238:22 pm
SAT
-
AUS
1 stop26h 51m
Multiple Airlines
Deal found 1/22$176
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/11:12 pm
AUS
-
SAT
1 stop7h 57m
Frontier
Mon 3/28:22 pm
SAT
-
AUS
1 stop26h 51m
Frontier
Deal found 1/22$180
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/11:12 pm
AUS
-
SAT
1 stop7h 57m
Frontier
Sun 3/15:04 pm
SAT
-
AUS
1 stop16h 18m
Frontier
Deal found 1/22$186
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/11:12 pm
AUS
-
SAT
1 stop7h 57m
Frontier
Thu 2/268:20 pm
SAT
-
AUS
1 stop13h 01m
Frontier
Deal found 1/22$198
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:59 pm
AUS
-
SAT
1 stop7h 00m
Spirit Airlines
Wed 2/2510:26 am
SAT
-
AUS
1 stop10h 27m
Spirit Airlines
Deal found 1/21$201

Find flight deals from Austin to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$102
(Kiwi.com)
Provider with most accurate pricing for Austin Bergstrom-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-San Antonio flights.
Search Deals
From Austin Bergstrom to San Antonio
Search Deals
One-way flight from Austin Bergstrom to San Antonio
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 January 22, 2026.
Use the filters below to find and compare flights from Austin to San Antonio that are best for you.

Fly from

Austin

Fly to

San Antonio

Route

Depart

Return

Price

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 2/18

8:30 am-5:15 pm

1 stop8h 45m

San Antonio

Wed 2/25

6:12 pm-2:59 pm

2 stops20h 47m

$156

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 2/17

7:15 am-9:30 am

1 stop26h 15m

San Antonio

Wed 2/18

6:12 pm-9:21 am

1 stop15h 09m

$159

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

1:12 pm-9:09 pm

1 stop7h 57m

San Antonio

Tue 3/3

5:36 pm-11:13 pm

1 stop29h 37m

$162

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

1:12 pm-9:09 pm

1 stop7h 57m

San Antonio

Wed 2/25

6:12 pm-9:21 am

1 stop15h 09m

$163

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sat 2/21

4:59 pm-11:59 pm

1 stop7h 00m

San Antonio

Mon 2/23

8:22 pm-11:13 pm

1 stop26h 51m

$176

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

1:12 pm-9:09 pm

1 stop7h 57m

San Antonio

Mon 3/2

8:22 pm-11:13 pm

1 stop26h 51m

$180

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

1:12 pm-9:09 pm

1 stop7h 57m

San Antonio

Sat 2/28

7:56 pm-9:21 am

1 stop13h 25m

$180

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

1:12 pm-9:09 pm

1 stop7h 57m

San Antonio

Sun 3/1

5:04 pm-9:22 am

1 stop16h 18m

$186

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

1:12 pm-9:09 pm

1 stop7h 57m

San Antonio

Thu 2/26

8:20 pm-9:21 am

1 stop13h 01m

$198

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sun 2/1

4:59 pm-5:03 pm

2 stops24h 04m

San Antonio

Wed 2/25

6:12 pm-9:21 am

1 stop15h 09m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 19 results
1
2

Compare providers for flights from Austin 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 Austin to San Antonio in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Austin-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-San Antonio flights, Cheapflights users trust Expedia the most. Expedia 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 Austin-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 Austin to San Antonio

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

Related info for your journey

Find useful and relevant information for your journey from Austin to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Austin to San Antonio?

    There are many flights that can get you from Austin to San Antonio in 8h 45m. Fly via Frontier to get the fastest option. Airlines will cover a distance of 66 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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.

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

Browse thousands of different options on Cheapflights for your next trip

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