$144+ Cheap flights from San Antonio to Austin (SAT - AUS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — AUS
Nov 29 — Dec 61
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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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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/248:28 pm -
1 stop22h 41m
Tue 12/16:59 pm -
1 stop23h 00m
Deal found 10/26![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/188:20 pm -
2 stops17h 34m
Mon 11/2310:59 pm -
1 stop22h 17m
Deal found 10/28![Frontier logo]()
$287
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/198:20 pm -
2 stops25h 44m
Mon 11/238:04 pm -
2 stops25h 12m
Deal found 10/27![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/208:28 pm -
1 stop22h 41m
Tue 11/249:17 pm -
1 stop13h 54m
Deal found 10/29![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/258:28 pm -
2 stops34h 52m
Wed 12/26:43 pm -
1 stop25h 13m
Deal found 10/26![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1010:29 pm -
2 stops20h 57m
Fri 12/46:51 pm -
1 stop23h 10m
Deal found 10/29![Frontier logo]()
$314
This Southwest deal was found by Cheapflights users on 10/27. 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 11/198:20 am -
1 stop3h 35m
Mon 11/2310:25 am -
1 stop3h 45m
Deal found 10/27![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/28. 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 11/118:20 am -
1 stop5h 05m
Sat 11/149:05 am -
2 stops6h 15m
Deal found 10/28![Southwest logo]()
$322
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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/258:28 pm -
2 stops34h 52m
Wed 12/26:43 pm -
1 stop25h 13m
Deal found 10/26![Frontier logo]()
$295
This Southwest deal was found by Cheapflights users on 10/29. 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 11/266:10 am -
1 stop2h 40m
Thu 12/34:50 pm -
1 stop4h 50m
Deal found 10/29![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/26. 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 11/256:05 pm -
1 stop6h 35m
Wed 12/26:10 am -
1 stop5h 05m
Deal found 10/26![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/28. 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 11/116:35 am -
1 stop5h 40m
Sat 11/143:55 pm -
1 stop5h 20m
Deal found 10/28![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/27. 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 11/198:20 am -
1 stop3h 35m
Mon 11/2310:25 am -
1 stop3h 45m
Deal found 10/27![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/28. 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 12/232:50 pm -
1 stop4h 55m
Tue 12/295:55 am -
1 stop2h 50m
Deal found 10/28![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 10/26. 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 11/245:25 am -
1 stop3h 05m
Tue 12/110:30 am -
2 stops8h 40m
Deal found 10/26![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 10/27. 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 11/195:50 am -
1 stop4h 55m
Thu 11/194:50 pm -
2 stops4h 55m
Deal found 10/27![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 10/28. 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 12/248:00 am -
2 stops10h 50m
Tue 12/298:55 pm -
1 stop3h 00m
Deal found 10/28![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 10/29. 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 12/302:50 pm -
1 stop4h 55m
Sun 1/35:40 am -
1 stop2h 55m
Deal found 10/29![Southwest logo]()
$337
Last-minute flights from San Antonio to AustinDiscover last-minute flight deals from San Antonio to Austin. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Austin. Data last updated October 30, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1010:29 pm -
2 stops20h 57m
Fri 12/46:51 pm -
1 stop23h 10m
Deal found 10/29![Frontier logo]()
$314
This Southwest deal was found by Cheapflights users on 10/28. 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 11/118:20 am -
1 stop5h 05m
Sat 11/149:05 am -
2 stops6h 15m
Deal found 10/28![Southwest logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/188:20 pm -
2 stops17h 34m
Mon 11/2310:59 pm -
1 stop22h 17m
Deal found 10/28![Frontier logo]()
$287
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/198:20 pm -
2 stops25h 44m
Mon 11/238:04 pm -
2 stops25h 12m
Deal found 10/27![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 10/27. 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 11/198:00 am -
1 stop5h 45m
Thu 11/196:20 pm -
1 stop3h 25m
Deal found 10/27![Southwest logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/208:28 pm -
1 stop22h 41m
Tue 11/249:17 pm -
1 stop13h 54m
Deal found 10/29![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/248:28 pm -
1 stop22h 41m
Tue 12/16:59 pm -
1 stop23h 00m
Deal found 10/26![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/258:28 pm -
2 stops34h 52m
Wed 12/26:43 pm -
1 stop25h 13m
Deal found 10/26![Frontier logo]()
$295
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 October 30, 2026.
Search for one-way flight options from San Antonio to Austin. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/2110:11 pm -
2 stops44h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$144
This Southwest deal was found by Cheapflights users on 10/29. 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.
Mon 11/166:45 am -
1 stop4h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 10/29. 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 1/306:10 am -
2 stops6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$164
This Mytrip deal was found by Cheapflights users on 10/28. 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 11/258:28 pm -
2 stops19h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$198
This Southwest deal was found by Cheapflights users on 10/26. 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 3/1011:35 am -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/136:23 pm -
3 stops18h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 10/26. 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 11/106:35 am -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1610:29 pm -
2 stops20h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1612:38 pm -
3 stops22h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 10/26. 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 11/131:25 pm -
2 stops7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$274
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $258 (Kiwi.com) |
One-way from | $144 (Kiwi.com) |
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 7,457,451 searches. Data last updated October 30, 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
Fri 11/27
5:25 am-8:55 am
1 stop3h 30m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Sat 1/30
1:20 pm-9:00 pm
1 stop7h 40m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 11/25
8:45 pm-11:45 pm
1 stop3h 00m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 11/25
8:28 pm-3:45 pm
2 stops19h 17m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$198
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 3/10
11:35 am-3:30 pm
1 stop3h 55m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
Quickest round-trip
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Fri 11/13
1:10 pm-4:05 pm
1 stop2h 55m
Austin Bergstrom
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$251
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 11/25
8:28 pm-7:20 am
2 stops34h 52m
Austin Bergstrom
Wed 12/2
6:43 pm-7:56 pm
1 stop25h 13m
$295
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Thu 11/26
6:10 am-8:50 am
1 stop2h 40m
Austin Bergstrom
Thu 12/3
4:50 pm-9:40 pm
1 stop4h 50m
$317
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 11/25
6:05 pm-12:40 am
1 stop6h 35m
Austin Bergstrom
Wed 12/2
6:10 am-11:15 am
1 stop5h 05m
$317
San AntonioAustin
SAT San Antonio - AUS Austin Bergstrom
SATAUS
San Antonio
Wed 11/11
6:35 am-12:15 pm
1 stop5h 40m
Austin Bergstrom
Sat 11/14
3:55 pm-9:15 pm
1 stop5h 20m
$317
Showing 1-10 of 17 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
Georgetown
Dripping Springs
Seguin
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