$117+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Austin to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to San Antonio
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Cheapest flights from Austin to San AntonioExplore 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 14, 2026.
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 14, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am -
1 stop5h 30m
Mon 9/146:50 pm -
1 stop3h 05m
Deal found 8/13![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
1 stop5h 30m
Sat 10/37:15 am -
2 stops10h 05m
Deal found 8/11![Southwest logo]()
$240
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:35 am -
1 stop3h 35m
Tue 9/158:10 am -
1 stop5h 40m
Deal found 8/11![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:30 pm -
2 stops5h 05m
Wed 9/166:40 am -
2 stops5h 35m
Deal found 8/12![Southwest logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/86:15 am -
1 stop13h 16m
Fri 9/118:20 pm -
1 stop23h 09m
Deal found 8/11![Frontier logo]()
$263
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:30 am -
1 stop2h 50m
Mon 9/285:40 pm -
1 stop3h 50m
Deal found 8/11![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:35 am -
1 stop3h 35m
Fri 9/115:40 pm -
1 stop3h 50m
Deal found 8/12![Southwest logo]()
$277
Best flights from Austin to San AntonioDiscover carefully curated flight deals from Austin to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Austin to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
1 stop5h 30m
Sat 10/37:15 am -
2 stops10h 05m
Deal found 8/11![Southwest logo]()
$240
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am -
1 stop4h 50m
Thu 9/176:50 pm -
1 stop3h 05m
Deal found 8/12![Southwest logo]()
$246
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:35 am -
1 stop3h 35m
Tue 9/154:20 pm -
2 stops5h 05m
Deal found 8/11![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:30 am -
1 stop2h 50m
Mon 9/285:40 pm -
1 stop3h 50m
Deal found 8/11![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:35 am -
1 stop3h 35m
Fri 9/115:40 pm -
1 stop3h 50m
Deal found 8/10![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:40 am -
2 stops6h 05m
Mon 9/77:10 am -
1 stop2h 50m
Deal found 8/11![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:35 am -
2 stops5h 15m
Mon 9/144:00 pm -
1 stop4h 00m
Deal found 8/13![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:40 am -
1 stop2h 50m
Sat 9/192:30 pm -
1 stop5h 15m
Deal found 8/14![Southwest logo]()
$357
Last-minute flights from Austin to San AntonioDiscover last-minute flight deals from Austin to San Antonio. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to San Antonio. Data last updated August 14, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:35 am -
1 stop3h 35m
Tue 9/158:10 am -
1 stop5h 40m
Deal found 8/11![Southwest logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/86:15 am -
1 stop13h 16m
Fri 9/118:20 pm -
1 stop23h 09m
Deal found 8/11![Frontier logo]()
$263
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:35 am -
1 stop3h 35m
Fri 9/115:40 pm -
1 stop3h 50m
Deal found 8/12![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:30 pm -
2 stops5h 05m
Wed 9/166:40 am -
2 stops5h 35m
Deal found 8/12![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am -
1 stop5h 30m
Mon 9/146:50 pm -
1 stop3h 05m
Deal found 8/13![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:30 am -
1 stop2h 50m
Mon 9/285:40 pm -
1 stop3h 50m
Deal found 8/11![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
1 stop5h 30m
Sat 10/37:15 am -
2 stops10h 05m
Deal found 8/11![Southwest logo]()
$240
One-way flights from Austin to San AntonioSearch for one-way flight options from Austin to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Austin to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
1 stop3h 00m
Deal found 8/13![Southwest logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sat 9/58:15 pm -
1 stop23h 16m
Deal found 8/14![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 9/18:15 pm -
1 stop23h 16m
Deal found 8/14![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/26:15 am -
1 stop13h 16m
Deal found 8/14![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Mon 8/318:15 pm -
1 stop23h 16m
Deal found 8/14![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/2312:08 pm -
2 stops25h 44m
Deal found 8/13![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/276:33 pm -
2 stops43h 47m
Deal found 8/13![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/266:33 pm -
2 stops38h 37m
Deal found 8/13![Frontier logo]()
$178
This Southwest deal was found by Cheapflights users on 8/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:40 am -
1 stop2h 50m
Deal found 8/13![Southwest logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/266:33 pm -
3 stops41h 25m
Deal found 8/13![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 9/18:15 pm -
3 stops19h 58m
Deal found 8/14![Multiple Airlines logo]()
$212
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (Southwest) |
One-way from | $117 (Southwest) |
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 14, 2026.
Use the filters below to find and compare flights from Austin to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Sat 9/26
6:10 am-11:40 am
1 stop5h 30m
San Antonio
Sat 10/3
7:15 am-5:20 pm
2 stops10h 05m
$240
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Thu 9/10
6:20 am-11:10 am
1 stop4h 50m
San Antonio
Thu 9/17
6:50 pm-9:55 pm
1 stop3h 05m
$246
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Tue 9/8
6:35 am-10:10 am
1 stop3h 35m
San Antonio
Tue 9/15
4:20 pm-9:25 pm
2 stops5h 05m
$252
Quickest round-trip
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Fri 9/25
5:30 am-8:20 am
1 stop2h 50m
San Antonio
Mon 9/28
5:40 pm-9:30 pm
1 stop3h 50m
$265
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Tue 9/8
6:35 am-10:10 am
1 stop3h 35m
San Antonio
Fri 9/11
5:40 pm-9:30 pm
1 stop3h 50m
$277
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Fri 9/4
8:40 am-2:45 pm
2 stops6h 05m
San Antonio
Mon 9/7
7:10 am-10:00 am
1 stop2h 50m
$298
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Sat 9/12
8:35 am-1:50 pm
2 stops5h 15m
San Antonio
Mon 9/14
4:00 pm-8:00 pm
1 stop4h 00m
$301
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Sun 9/13
6:40 am-9:30 am
1 stop2h 50m
San Antonio
Sat 9/19
2:30 pm-7:45 pm
1 stop5h 15m
$357
Cheapest one-way
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Sat 9/26
6:10 am-9:10 am
1 stop3h 00m
$117
AustinSan Antonio
AUS Austin Bergstrom - SAT San Antonio
AUSSAT
Austin Bergstrom
Wed 9/2
6:15 am-7:31 pm
1 stop13h 16m
$149
Showing 1-10 of 20 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 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 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.
AUS-SAT
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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