$89+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
Apr 20 — Apr 271
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
Cheapest
Best
Last-minute
One-way
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 March 21, 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 March 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:00 am
AUS
- SAT
1 stop13h 19m
Frontier
Tue 4/77:45 am
SAT
- AUS
1 stop16h 36m
Frontier
Deal found 3/18![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/26:45 am
AUS
- SAT
1 stop17h 34m
Frontier
Sun 4/56:45 am
SAT
- AUS
1 stop27h 20m
Frontier
Deal found 3/16![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Tue 3/3110:45 pm
AUS
- SAT
1 stop25h 34m
Frontier
Fri 4/36:45 am
SAT
- AUS
1 stop17h 36m
Frontier
Deal found 3/17![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Tue 3/3110:45 pm
AUS
- SAT
1 stop25h 34m
Frontier
Sat 4/46:45 am
SAT
- AUS
1 stop17h 36m
Frontier
Deal found 3/16![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/156:13 pm
AUS
- SAT
2 stops17h 27m
Frontier
Wed 4/224:49 pm
SAT
- AUS
1 stop17h 16m
Frontier
Deal found 3/16![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/309:31 pm
AUS
- SAT
1 stop16h 44m
Multiple Airlines
Thu 5/76:07 am
SAT
- AUS
1 stop17h 52m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/44:59 pm
AUS
- SAT
1 stop16h 28m
Spirit Airlines
Wed 4/810:22 am
SAT
- AUS
1 stop14h 02m
Spirit Airlines
Deal found 3/20![Spirit Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:50 pm
AUS
- SAT
2 stops16h 27m
Multiple Airlines
Sat 5/97:54 pm
SAT
- AUS
1 stop24h 24m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$314
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 March 21, 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 March 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:00 am
AUS
- SAT
1 stop13h 19m
Frontier
Tue 4/77:45 am
SAT
- AUS
1 stop16h 36m
Frontier
Deal found 3/18![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:00 am
AUS
- SAT
1 stop13h 19m
Multiple Airlines
Tue 4/71:22 pm
SAT
- AUS
2 stops25h 50m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/44:59 pm
AUS
- SAT
1 stop16h 28m
Spirit Airlines
Wed 4/810:22 am
SAT
- AUS
1 stop14h 02m
Spirit Airlines
Deal found 3/20![Spirit Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 3/17. 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 5/207:05 am
AUS
- SAT
1 stop3h 20m
Southwest
Thu 5/285:45 am
SAT
- AUS
1 stop4h 40m
Southwest
Deal found 3/17![Southwest logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/26:45 am
AUS
- SAT
1 stop17h 34m
Frontier
Sun 4/56:45 am
SAT
- AUS
1 stop27h 20m
Frontier
Deal found 3/16![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:50 pm
AUS
- SAT
1 stop17h 23m
Frontier
Sat 5/97:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 3/18![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/309:31 pm
AUS
- SAT
1 stop16h 44m
Multiple Airlines
Thu 5/76:07 am
SAT
- AUS
1 stop17h 52m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:50 pm
AUS
- SAT
2 stops16h 27m
Multiple Airlines
Sat 5/97:54 pm
SAT
- AUS
1 stop24h 24m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/309:31 pm
AUS
- SAT
1 stop16h 44m
Frontier
Thu 5/77:54 pm
SAT
- AUS
2 stops17h 14m
Frontier
Deal found 3/16![Frontier logo]()
$318
Last-minute flights from Austin to San AntonioDiscover last-minute flight deals from Austin to San Antonio. Data last updated March 21, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to San Antonio. Data last updated March 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 3/296:12 am
AUS
- SAT
1 stop27h 15m
Multiple Airlines
Wed 4/17:45 am
SAT
- AUS
1 stop26h 20m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Tue 3/3110:45 pm
AUS
- SAT
1 stop25h 34m
Frontier
Fri 4/36:45 am
SAT
- AUS
1 stop17h 36m
Frontier
Deal found 3/17![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Tue 3/3110:45 pm
AUS
- SAT
1 stop25h 34m
Frontier
Sat 4/46:45 am
SAT
- AUS
1 stop17h 36m
Frontier
Deal found 3/16![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/26:45 am
AUS
- SAT
1 stop17h 34m
Frontier
Sun 4/56:45 am
SAT
- AUS
1 stop27h 20m
Frontier
Deal found 3/16![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/211:00 am
AUS
- SAT
1 stop13h 19m
Multiple Airlines
Fri 4/1010:22 am
SAT
- AUS
1 stop29h 42m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:00 am
AUS
- SAT
1 stop13h 19m
Frontier
Tue 4/77:45 am
SAT
- AUS
1 stop16h 36m
Frontier
Deal found 3/18![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Mon 4/136:45 am
AUS
- SAT
1 stop17h 34m
Frontier
Mon 4/203:00 pm
SAT
- AUS
1 stop26h 18m
Frontier
Deal found 3/16![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/156:13 pm
AUS
- SAT
2 stops17h 27m
Frontier
Wed 4/224:49 pm
SAT
- AUS
1 stop17h 16m
Frontier
Deal found 3/16![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/309:31 pm
AUS
- SAT
1 stop16h 44m
Multiple Airlines
Thu 5/76:07 am
SAT
- AUS
1 stop17h 52m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$270
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 March 21, 2026.
Search for one-way flight options from Austin to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:31 pm
AUS
- SAT
1 stop17h 38m
Frontier
Deal found 3/18![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 3/3110:45 pm
AUS
- SAT
1 stop25h 34m
Frontier
Deal found 3/19![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/209:31 pm
AUS
- SAT
1 stop17h 38m
Frontier
Deal found 3/20![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Wed 4/156:13 pm
AUS
- SAT
1 stop20h 02m
Frontier
Deal found 3/19![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Wed 3/254:14 pm
AUS
- SAT
2 stops20h 13m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/229:25 am
AUS
- SAT
2 stops14h 26m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/226:13 pm
AUS
- SAT
1 stop20h 02m
Frontier
Deal found 3/16![Frontier logo]()
$169
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 March 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (Kiwi.com) |
One-way from | $89 (Kiwi.com) |
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 March 21, 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 - SAT
AUSSAT
Austin Bergstrom
Fri 4/3
11:00 am-12:19 am
1 stop13h 19m
San Antonio
Tue 4/7
7:45 am-12:21 am
1 stop16h 36m
$171
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Thu 4/2
6:45 am-12:19 am
1 stop17h 34m
San Antonio
Sun 4/5
6:45 am-10:05 am
1 stop27h 20m
$206
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 4/3
11:00 am-12:19 am
1 stop13h 19m
San Antonio
Tue 4/7
1:22 pm-3:12 pm
2 stops25h 50m
$224
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Sat 5/2
8:50 pm-2:13 pm
1 stop17h 23m
San Antonio
Sat 5/9
7:54 pm-8:18 pm
1 stop24h 24m
$224
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Thu 4/30
9:31 pm-2:15 pm
1 stop16h 44m
San Antonio
Thu 5/7
6:07 am-11:59 pm
1 stop17h 52m
$270
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Sat 4/4
4:59 pm-9:27 am
1 stop16h 28m
San Antonio
Wed 4/8
10:22 am-12:24 am
1 stop14h 02m
$291
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Sat 5/2
8:50 pm-1:17 pm
2 stops16h 27m
San Antonio
Sat 5/9
7:54 pm-8:18 pm
1 stop24h 24m
$314
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Thu 4/30
9:31 pm-2:15 pm
1 stop16h 44m
San Antonio
Thu 5/7
7:54 pm-1:08 pm
2 stops17h 14m
$318
Quickest round-trip
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Wed 5/20
7:05 am-10:25 am
1 stop3h 20m
San Antonio
Thu 5/28
5:45 am-10:25 am
1 stop4h 40m
$347
Cheapest one-way
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 4/17
9:31 pm-3:09 pm
1 stop17h 38m
$89
Showing 1-10 of 17 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 March.
| 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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