$63+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — AUS
May 19 — May 261
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Austin with Cheapflights
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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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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 April 19, 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 April 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/127:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Tue 5/199:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/17![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/157:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/229:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/16![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Mon 5/117:54 pm
SAT
- AUS
2 stops20h 58m
Frontier
Mon 5/189:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/17![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Mon 5/187:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/229:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/15![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/13:00 pm
SAT
- AUS
1 stop28h 55m
Frontier
Tue 5/59:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/16![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/147:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Thu 5/2110:28 am
AUS
- SAT
1 stop8h 31m
Frontier
Deal found 4/16![Frontier logo]()
$279
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 April 19, 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 April 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Mon 5/187:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/229:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/15![Frontier logo]()
$243
This Southwest deal was found by Cheapflights users on 4/18. 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.
Sat 5/169:15 am
SAT
- AUS
2 stops6h 40m
Southwest
Sat 5/239:05 am
AUS
- SAT
1 stop5h 45m
Southwest
Deal found 4/18![Southwest logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/13:00 pm
SAT
- AUS
1 stop28h 55m
Frontier
Tue 5/59:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/16![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Wed 4/294:49 pm
SAT
- AUS
2 stops26h 55m
Frontier
Sun 5/39:51 pm
AUS
- SAT
1 stop16h 24m
Frontier
Deal found 4/13![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 4/14. 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.
Sat 5/96:25 am
SAT
- AUS
1 stop5h 45m
Southwest
Mon 5/116:40 am
AUS
- SAT
1 stop8h 00m
Southwest
Deal found 4/14![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 am
SAT
- AUS
2 stops6h 20m
Southwest
Wed 5/1310:55 am
AUS
- SAT
2 stops6h 25m
Southwest
Deal found 4/16![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 4/14. 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.
Tue 5/129:40 am
SAT
- AUS
2 stops5h 55m
Southwest
Tue 5/1910:55 am
AUS
- SAT
2 stops6h 25m
Southwest
Deal found 4/14![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sat 5/22:45 pm
SAT
- AUS
2 stops6h 35m
Southwest
Wed 5/610:00 am
AUS
- SAT
2 stops8h 15m
Southwest
Deal found 4/17![Southwest logo]()
$461
This Southwest deal was found by Cheapflights users on 4/14. 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.
Fri 5/291:00 pm
SAT
- AUS
2 stops5h 50m
Southwest
Sun 5/312:05 pm
AUS
- SAT
2 stops5h 40m
Southwest
Deal found 4/14![Southwest logo]()
$464
Last-minute flights from San Antonio to AustinDiscover last-minute flight deals from San Antonio to Austin. Data last updated April 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Austin. Data last updated April 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/13:00 pm
SAT
- AUS
1 stop28h 55m
Frontier
Tue 5/59:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/16![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Mon 5/117:54 pm
SAT
- AUS
2 stops20h 58m
Frontier
Mon 5/189:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/17![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 5/127:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Tue 5/199:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/17![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/147:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Thu 5/2110:28 am
AUS
- SAT
1 stop8h 31m
Frontier
Deal found 4/16![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/157:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/229:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/16![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Mon 5/187:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/229:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/15![Frontier logo]()
$243
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 April 19, 2026.
Search for one-way flight options from San Antonio to Austin. Find affordable one-way fares based on user searches. Data last updated April 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/127:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/16![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/87:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/18![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Wed 6/248:56 pm
SAT
- AUS
1 stop13h 58m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 5/107:54 pm
SAT
- AUS
2 stops25h 53m
Frontier
Deal found 4/16![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Mon 5/117:54 pm
SAT
- AUS
2 stops20h 58m
Frontier
Deal found 4/17![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/18. 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.
Wed 6/248:56 pm
SAT
- AUS
2 stops27h 03m
Frontier
Deal found 4/18![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 5/107:54 pm
SAT
- AUS
3 stops37h 37m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 4/18. 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.
Fri 6/266:00 pm
SAT
- AUS
2 stops5h 50m
Southwest
Deal found 4/18![Southwest logo]()
$179
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 April 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $124 (Kiwi.com) |
One-way from | $63 (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 2,558,603 searches. Data last updated April 19, 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 - AUS
SATAUS
San Antonio
Mon 5/18
7:54 pm-8:18 pm
1 stop24h 24m
Austin Bergstrom
Fri 5/22
9:13 pm-6:59 pm
1 stop21h 46m
$243
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Fri 5/1
3:00 pm-7:55 pm
1 stop28h 55m
Austin Bergstrom
Tue 5/5
9:13 pm-6:59 pm
1 stop21h 46m
$247
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Wed 4/29
4:49 pm-7:44 pm
2 stops26h 55m
Austin Bergstrom
Sun 5/3
9:51 pm-2:15 pm
1 stop16h 24m
$298
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Sat 5/16
9:15 am-3:55 pm
2 stops6h 40m
Austin Bergstrom
Sat 5/23
9:05 am-2:50 pm
1 stop5h 45m
$372
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Sat 5/9
6:25 am-12:10 pm
1 stop5h 45m
Austin Bergstrom
Mon 5/11
6:40 am-2:40 pm
1 stop8h 00m
$387
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Tue 5/12
9:45 am-4:05 pm
2 stops6h 20m
Austin Bergstrom
Wed 5/13
10:55 am-5:20 pm
2 stops6h 25m
$414
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Tue 5/12
9:40 am-3:35 pm
2 stops5h 55m
Austin Bergstrom
Tue 5/19
10:55 am-5:20 pm
2 stops6h 25m
$414
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Sat 5/2
2:45 pm-9:20 pm
2 stops6h 35m
Austin Bergstrom
Wed 5/6
10:00 am-6:15 pm
2 stops8h 15m
$461
Quickest round-trip
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Fri 5/29
1:00 pm-6:50 pm
2 stops5h 50m
Austin Bergstrom
Sun 5/31
2:05 pm-7:45 pm
2 stops5h 40m
$464
Cheapest one-way
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Tue 5/12
7:54 pm-8:18 pm
1 stop24h 24m
$63
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 April.
| 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 locationsCedar Park
Round Rock
San Marcos
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay
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