$174+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
Jun 19 — Jun 261
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
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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 May 20, 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 May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/146:30 am
AUS
- SAT
1 stop12h 24m
Frontier
Tue 7/217:51 pm
SAT
- AUS
1 stop23h 12m
Frontier
Deal found 5/19![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/146:30 am
AUS
- SAT
1 stop12h 24m
Frontier
Wed 7/227:51 pm
SAT
- AUS
1 stop23h 12m
Frontier
Deal found 5/19![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/148:15 pm
AUS
- SAT
1 stop22h 39m
Frontier
Mon 7/208:59 pm
SAT
- AUS
2 stops27h 08m
Frontier
Deal found 5/19![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/186:30 am
AUS
- SAT
1 stop12h 24m
Frontier
Tue 7/217:51 pm
SAT
- AUS
1 stop23h 12m
Frontier
Deal found 5/19![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 7/108:15 pm
AUS
- SAT
1 stop22h 39m
Frontier
Tue 7/147:51 pm
SAT
- AUS
1 stop28h 16m
Frontier
Deal found 5/17![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/310:52 pm
AUS
- SAT
2 stops20h 07m
Frontier
Wed 6/107:51 pm
SAT
- AUS
1 stop28h 08m
Frontier
Deal found 5/16![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/101:33 pm
AUS
- SAT
2 stops29h 21m
Frontier
Tue 7/217:51 pm
SAT
- AUS
1 stop23h 12m
Frontier
Deal found 5/19![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/111:33 pm
AUS
- SAT
2 stops19h 42m
Multiple Airlines
Tue 7/217:51 pm
SAT
- AUS
1 stop23h 12m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/116:30 am
AUS
- SAT
1 stop12h 24m
Frontier
Tue 7/217:51 pm
SAT
- AUS
1 stop23h 12m
Frontier
Deal found 5/19![Frontier logo]()
$339
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 May 20, 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 May 20, 2026.
This Southwest deal was found by Cheapflights users on 5/15. 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 7/39:05 pm
AUS
- SAT
1 stop3h 50m
Southwest
Sun 7/58:50 pm
SAT
- AUS
1 stop2h 45m
Southwest
Deal found 5/15![Southwest logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/299:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Mon 6/88:59 pm
SAT
- AUS
2 stops22h 31m
Frontier
Deal found 5/15![Frontier logo]()
$423
This Southwest deal was found by Cheapflights users on 5/17. 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 7/36:45 pm
AUS
- SAT
1 stop4h 45m
Southwest
Mon 7/66:45 am
SAT
- AUS
1 stop3h 15m
Southwest
Deal found 5/17![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 5/18. 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 7/212:45 pm
AUS
- SAT
1 stop3h 00m
Southwest
Thu 7/911:45 am
SAT
- AUS
1 stop4h 30m
Southwest
Deal found 5/18![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 5/17. 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 7/105:35 am
AUS
- SAT
2 stops4h 50m
Southwest
Tue 7/148:20 am
SAT
- AUS
1 stop5h 35m
Southwest
Deal found 5/17![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 5/17. 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 7/275:40 am
AUS
- SAT
2 stops5h 15m
Southwest
Fri 7/3112:50 pm
SAT
- AUS
2 stops6h 10m
Southwest
Deal found 5/17![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 5/19. 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 7/186:15 am
AUS
- SAT
2 stops7h 05m
Southwest
Tue 7/216:20 am
SAT
- AUS
2 stops8h 00m
Southwest
Deal found 5/19![Southwest logo]()
$367
Last-minute flights from Austin to San AntonioDiscover last-minute flight deals from Austin to San Antonio. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to San Antonio. Data last updated May 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/299:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Mon 6/87:54 pm
SAT
- AUS
1 stop23h 36m
Frontier
Deal found 5/15![Frontier logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/309:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Tue 6/97:51 pm
SAT
- AUS
1 stop28h 08m
Frontier
Deal found 5/15![Frontier logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/319:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Tue 6/97:51 pm
SAT
- AUS
1 stop28h 08m
Frontier
Deal found 5/15![Frontier logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 6/210:28 am
AUS
- SAT
1 stop8h 31m
Frontier
Wed 6/107:51 pm
SAT
- AUS
1 stop28h 08m
Frontier
Deal found 5/15![Frontier logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/310:52 pm
AUS
- SAT
2 stops20h 07m
Frontier
Wed 6/107:51 pm
SAT
- AUS
1 stop28h 08m
Frontier
Deal found 5/16![Frontier logo]()
$315
This Southwest deal was found by Cheapflights users on 5/18. 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 6/1812:10 pm
AUS
- SAT
1 stop4h 55m
Southwest
Sun 6/218:30 pm
SAT
- AUS
1 stop3h 45m
Southwest
Deal found 5/18![Southwest logo]()
$347
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 May 20, 2026.
Search for one-way flight options from Austin to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Southwest deal was found by Cheapflights users on 5/17. 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 7/156:35 pm
AUS
- SAT
1 stop4h 20m
Southwest
Deal found 5/17![Southwest logo]()
$174
This Southwest deal was found by Cheapflights users on 5/17. 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 7/245:35 am
AUS
- SAT
2 stops4h 50m
Southwest
Deal found 5/17![Southwest logo]()
$179
This Southwest deal was found by Cheapflights users on 5/19. 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 6/158:05 am
AUS
- SAT
1 stop2h 50m
Southwest
Deal found 5/19![Southwest logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 7/241:40 pm
AUS
- SAT
3 stops26h 33m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/155:44 pm
AUS
- SAT
3 stops49h 12m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/2812:08 pm
AUS
- SAT
3 stops54h 51m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 5/15. 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 5/2810:10 am
AUS
- SAT
1 stop3h 05m
Southwest
Deal found 5/15![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 5/19. 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 5/2412:45 pm
AUS
- SAT
1 stop3h 15m
Southwest
Deal found 5/19![Southwest logo]()
$399
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 May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Kiwi.com) |
One-way from | $174 (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 May 20, 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
Quickest round-trip
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 7/3
9:05 pm-12:55 am
1 stop3h 50m
San Antonio
Sun 7/5
8:50 pm-11:35 pm
1 stop2h 45m
$347
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 7/3
6:45 pm-11:30 pm
1 stop4h 45m
San Antonio
Mon 7/6
6:45 am-10:00 am
1 stop3h 15m
$347
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Thu 7/2
12:45 pm-3:45 pm
1 stop3h 00m
San Antonio
Thu 7/9
11:45 am-4:15 pm
1 stop4h 30m
$347
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 7/10
5:35 am-10:25 am
2 stops4h 50m
San Antonio
Tue 7/14
8:20 am-1:55 pm
1 stop5h 35m
$352
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 7/27
5:40 am-10:55 am
2 stops5h 15m
San Antonio
Fri 7/31
12:50 pm-7:00 pm
2 stops6h 10m
$357
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Sat 7/18
6:15 am-1:20 pm
2 stops7h 05m
San Antonio
Tue 7/21
6:20 am-2:20 pm
2 stops8h 00m
$367
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 5/29
9:13 pm-6:59 pm
1 stop21h 46m
San Antonio
Mon 6/8
8:59 pm-7:30 pm
2 stops22h 31m
$423
Cheapest one-way
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 7/24
10:50 am-4:40 pm
1 stop5h 50m
$174
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Wed 7/15
3:25 pm-12:30 am
2 stops9h 05m
$174
Quickest one-way
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 6/15
8:05 am-10:55 am
1 stop2h 50m
$194
Showing 1-10 of 13 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 May.
| 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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