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$133+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheap 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 August 7, 2025.

Round-trip from

$266
(Mytrip)

One-way from

$133
(Mytrip)
From Austin Bergstrom to San Antonio
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One-way flight from Austin Bergstrom to San Antonio
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Find 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 August 7, 2025.

This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/45:45 amAUS - SAT
1 stop12h 27mSpirit Airlines
Thu 9/112:54 pmSAT - AUS
2 stops21h 26mSpirit Airlines
Deal found 8/7$266
This Justfly.com deal was found by Cheapflights users on 8/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:30 amAUS - SAT
1 stop12h 45mFrontier
Thu 9/119:33 pmSAT - AUS
1 stop12h 18mFrontier
Deal found 8/7$288
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 8/287:15 amAUS - SAT
1 stop9h 33mSpirit Airlines
Fri 8/295:53 pmSAT - AUS
1 stop7h 06mSpirit Airlines
Deal found 8/7$289
This Mytrip deal was found by Cheapflights users on 8/6. 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.
Thu 8/217:15 amAUS - SAT
1 stop9h 33mSpirit Airlines
Mon 8/255:53 pmSAT - AUS
1 stop7h 06mSpirit Airlines
Deal found 8/6$319
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:05 amAUS - SAT
1 stop10h 37mUnited Airlines
Fri 9/54:22 pmSAT - AUS
1 stop16h 29mUnited Airlines
Deal found 8/6$336
This Mytrip deal was found by Cheapflights users on 8/6. 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 9/37:15 amAUS - SAT
3 stops30h 34mSpirit Airlines
Fri 9/58:37 pmSAT - AUS
3 stops26h 25mSpirit Airlines
Deal found 8/6$353
This Mytrip deal was found by Cheapflights users on 8/5. 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 8/207:15 amAUS - SAT
3 stops32h 30mSpirit Airlines
Sun 8/245:53 pmSAT - AUS
1 stop7h 06mSpirit Airlines
Deal found 8/5$362
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:05 amAUS - SAT
1 stop14h 24mUnited Airlines
Mon 9/297:38 pmSAT - AUS
1 stop15h 26mUnited Airlines
Deal found 8/7$370

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 August 7, 2025.
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

Thu 9/4

5:45 am-6:12 pm

1 stop12h 27m

San Antonio

Thu 9/11

2:54 pm-12:20 pm

2 stops21h 26m

$266

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 9/4

6:30 am-7:15 pm

1 stop12h 45m

San Antonio

Thu 9/11

9:33 pm-9:51 am

1 stop12h 18m

$288

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 8/28

7:15 am-4:48 pm

1 stop9h 33m

San Antonio

Fri 8/29

5:53 pm-12:59 am

1 stop7h 06m

$289

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 8/21

7:15 am-4:48 pm

1 stop9h 33m

San Antonio

Mon 8/25

5:53 pm-12:59 am

1 stop7h 06m

$319

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 9/3

7:05 am-5:42 pm

1 stop10h 37m

San Antonio

Fri 9/5

4:22 pm-8:51 am

1 stop16h 29m

$336

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 9/3

7:15 am-1:49 pm

3 stops30h 34m

San Antonio

Fri 9/5

8:37 pm-11:02 pm

3 stops26h 25m

$353

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 8/20

7:15 am-3:45 pm

3 stops32h 30m

San Antonio

Sun 8/24

5:53 pm-12:59 am

1 stop7h 06m

$362

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 9/25

7:05 am-9:29 pm

1 stop14h 24m

San Antonio

Mon 9/29

7:38 pm-11:04 am

1 stop15h 26m

$370

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 9/4

5:45 am-6:12 pm

1 stop12h 27m

$133

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 8/29

7:45 pm-10:37 am

1 stop14h 52m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 14 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Austin to San Antonio

What is the cheapest time of day to fly from AUS to SAT?

Find hourly flight availability from Austin to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 7, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Austin to San Antonio by exploring options for tickets in the morning.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated August 7, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines, and Spirit Airlines from Austin to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Spirit Airlines
6.3
Okay
8,051 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Frontier
5.9
Fair
3,230 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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.

  • What are the cheapest airlines flying from Austin to San Antonio round-trip?

    According to our current data, Spirit Airlines ($266), and Frontier ($288) offers the cheapest pricing from Austin to San Antonio.

  • 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.

  • What is the cheapest month to book a flight from Austin to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Austin to San Antonio (average of $295). Flying from Austin 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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