$117+ Cheap flights from San Antonio to Austin (SAT - AUS)
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.
SAT — AUS
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Austin 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 San Antonio to Austin
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Best
Last-minute
One-way
Cheapest flights from San Antonio to AustinExplore the most affordable flight options available from San Antonio to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from San Antonio to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am -
1 stop3h 05m
Tue 9/1512:55 pm -
1 stop2h 45m
Deal found 8/9![Southwest logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/1610:03 am -
1 stop24h 00m
Thu 9/178:24 pm -
1 stop23h 01m
Deal found 8/8![Frontier logo]()
$280
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.
Thu 11/57:20 pm -
1 stop3h 55m
Sun 11/84:45 pm -
1 stop5h 25m
Deal found 8/11![Southwest logo]()
$296
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.
Thu 9/241:00 pm -
2 stops6h 45m
Thu 10/112:10 pm -
1 stop4h 55m
Deal found 8/10![Southwest logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/88:26 pm -
2 stops21h 22m
Tue 9/158:24 pm -
1 stop23h 01m
Deal found 8/9![Frontier logo]()
$320
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:50 pm -
1 stop3h 05m
Sun 9/276:40 am -
1 stop2h 50m
Deal found 8/9![Southwest logo]()
$326
Best flights from San Antonio to AustinDiscover carefully curated flight deals from San Antonio to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from San Antonio to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am -
2 stops5h 35m
Tue 9/154:45 pm -
2 stops5h 00m
Deal found 8/9![Southwest logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/1610:03 am -
1 stop24h 00m
Thu 9/178:24 pm -
1 stop23h 01m
Deal found 8/8![Frontier logo]()
$280
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:55 am -
2 stops24h 15m
Mon 8/318:15 pm -
1 stop23h 16m
Deal found 8/10![Multiple Airlines logo]()
$350
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.
Thu 11/57:20 pm -
1 stop3h 55m
Sun 11/84:45 pm -
1 stop5h 25m
Deal found 8/11![Southwest logo]()
$296
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.
Thu 9/241:00 pm -
2 stops6h 45m
Thu 10/112:10 pm -
1 stop4h 55m
Deal found 8/10![Southwest logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/88:26 pm -
1 stop23h 03m
Tue 9/158:24 pm -
1 stop23h 01m
Deal found 8/9![Frontier logo]()
$349
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:50 pm -
1 stop3h 05m
Sun 9/275:40 pm -
2 stops5h 20m
Deal found 8/9![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 8/8. 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 11/121:10 pm -
2 stops6h 00m
Sun 11/1512:40 pm -
1 stop4h 45m
Deal found 8/8![Southwest logo]()
$362
Last-minute flights from San Antonio to AustinDiscover last-minute flight deals from San Antonio to Austin. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Austin. Data last updated August 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/88:26 pm -
2 stops21h 22m
Tue 9/158:24 pm -
1 stop23h 01m
Deal found 8/9![Frontier logo]()
$320
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am -
1 stop3h 05m
Tue 9/1512:55 pm -
1 stop2h 45m
Deal found 8/9![Southwest logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 9/1610:03 am -
1 stop24h 00m
Thu 9/178:24 pm -
1 stop23h 01m
Deal found 8/8![Frontier logo]()
$280
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.
Thu 9/241:00 pm -
2 stops6h 45m
Thu 10/112:10 pm -
1 stop4h 55m
Deal found 8/10![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:50 pm -
1 stop3h 05m
Sun 9/276:40 am -
1 stop2h 50m
Deal found 8/9![Southwest logo]()
$326
One-way flights from San Antonio to AustinSearch for one-way flight options from San Antonio to Austin. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from San Antonio to Austin. Find affordable one-way fares based on user searches. Data last updated August 13, 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.
Tue 9/224:20 pm -
1 stop5h 30m
Deal found 8/11![Southwest logo]()
$117
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:03 am -
2 stops25h 06m
Deal found 8/12![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 10/212:39 pm -
1 stop25h 58m
Deal found 8/9![Frontier logo]()
$144
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:56 pm -
1 stop28h 03m
Deal found 8/10![Frontier logo]()
$147
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.
Fri 10/163:20 pm -
1 stop5h 15m
Deal found 8/12![Southwest logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 9/178:20 pm -
1 stop23h 09m
Deal found 8/9![Frontier logo]()
$153
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:08 am -
2 stops22h 45m
Deal found 8/12![Frontier logo]()
$159
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.
Thu 10/2210:41 pm -
2 stops25h 18m
Deal found 8/11![Frontier logo]()
$170
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:10 am -
2 stops5h 05m
Deal found 8/9![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 8/8. 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 8/2611:30 am -
1 stop4h 45m
Deal found 8/8![Southwest logo]()
$231
Find flight deals from San Antonio to Austin
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Austin (AUS). 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 13, 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 San Antonio to Austin 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 13, 2026.
Use the filters below to find and compare flights from San Antonio to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 9/9
6:40 am-12:15 pm
2 stops5h 35m
Austin Bergstrom
Tue 9/15
4:45 pm-9:45 pm
2 stops5h 00m
$245
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 9/16
10:03 am-10:03 am
1 stop24h 00m
Austin Bergstrom
Thu 9/17
8:24 pm-7:25 pm
1 stop23h 01m
$280
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Thu 11/5
7:20 pm-11:15 pm
1 stop3h 55m
Austin Bergstrom
Sun 11/8
4:45 pm-10:10 pm
1 stop5h 25m
$296
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Thu 9/24
1:00 pm-7:45 pm
2 stops6h 45m
Austin Bergstrom
Thu 10/1
12:10 pm-5:05 pm
1 stop4h 55m
$301
Quickest round-trip
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Fri 9/25
6:50 pm-9:55 pm
1 stop3h 05m
Austin Bergstrom
Sun 9/27
5:40 pm-11:00 pm
2 stops5h 20m
$332
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Tue 9/8
8:26 pm-7:29 pm
1 stop23h 03m
Austin Bergstrom
Tue 9/15
8:24 pm-7:25 pm
1 stop23h 01m
$349
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Thu 8/27
9:55 am-10:10 am
2 stops24h 15m
Austin Bergstrom
Mon 8/31
8:15 pm-7:31 pm
1 stop23h 16m
$350
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Thu 11/12
1:10 pm-7:10 pm
2 stops6h 00m
Austin Bergstrom
Sun 11/15
12:40 pm-5:25 pm
1 stop4h 45m
$362
Cheapest one-way
Quickest one-way
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Tue 11/17
9:50 am-1:25 pm
1 stop3h 35m
$117
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Tue 9/22
4:20 pm-9:50 pm
1 stop5h 30m
$117
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Austin
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 San Antonio to Austin 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 San Antonio-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Austin 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-Austin 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 Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from San Antonio with our price prediction graph.
SAT-AUS
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 San Antonio to Austin. 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 Austin?
Book flights to Austin if you plan to visit one of these locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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