$64+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — AUS
May 11 — May 181
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
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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 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 April 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/43:00 pm
SAT
- AUS
1 stop29h 18m
Frontier
Mon 5/119:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/6![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/237:51 pm
SAT
- AUS
1 stop13h 22m
Frontier
Tue 6/308:15 pm
AUS
- SAT
1 stop22h 41m
Frontier
Deal found 4/7![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/67:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Wed 5/139:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/8![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/87:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/159:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/10![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/18:24 pm
SAT
- AUS
2 stops23h 31m
Frontier
Sat 5/99:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/8![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/77:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Thu 5/149:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/7![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/237:51 pm
SAT
- AUS
1 stop13h 22m
Frontier
Mon 6/298:15 pm
AUS
- SAT
1 stop22h 41m
Frontier
Deal found 4/7![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/237:51 pm
SAT
- AUS
1 stop13h 22m
Multiple Airlines
Wed 7/11:59 pm
AUS
- SAT
2 stops26h 15m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/18:24 pm
SAT
- AUS
2 stops23h 31m
Frontier
Sun 5/39:51 pm
AUS
- SAT
1 stop16h 24m
Frontier
Deal found 4/10![Frontier logo]()
$254
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/87:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/152:03 pm
AUS
- SAT
2 stops28h 56m
Frontier
Deal found 4/10![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/237:51 pm
SAT
- AUS
1 stop13h 22m
Multiple Airlines
Sun 6/285:49 pm
AUS
- SAT
2 stops22h 25m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 4/7. 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 7/35:40 am
SAT
- AUS
1 stop4h 20m
Southwest
Mon 7/67:05 pm
AUS
- SAT
1 stop3h 45m
Southwest
Deal found 4/7![Southwest logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/247:51 pm
SAT
- AUS
1 stop13h 22m
Multiple Airlines
Wed 7/110:37 am
AUS
- SAT
1 stop29h 37m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/214:04 pm
SAT
- AUS
1 stop25h 14m
Frontier
Sat 4/258:50 pm
AUS
- SAT
1 stop17h 23m
Frontier
Deal found 4/6![Frontier logo]()
$345
This Southwest deal was found by Cheapflights users on 4/10. 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.
Fri 5/81:35 pm
SAT
- AUS
1 stop5h 15m
Southwest
Fri 5/1510:10 am
AUS
- SAT
1 stop4h 20m
Southwest
Deal found 4/10![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 4/8. 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 5/69:40 am
SAT
- AUS
2 stops5h 55m
Southwest
Wed 5/1310:55 am
AUS
- SAT
2 stops6h 25m
Southwest
Deal found 4/8![Southwest logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 4/2612:50 pm
SAT
- AUS
2 stops21h 15m
Multiple Airlines
Thu 4/306:00 am
AUS
- SAT
1 stop17h 51m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 4/10. 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.
Fri 5/13:05 pm
SAT
- AUS
1 stop3h 45m
Southwest
Sun 5/35:30 am
AUS
- SAT
1 stop4h 15m
Southwest
Deal found 4/10![Southwest logo]()
$387
Last-minute flights from San Antonio to AustinDiscover last-minute flight deals from San Antonio to Austin. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Austin. Data last updated April 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/214:04 pm
SAT
- AUS
1 stop25h 14m
Multiple Airlines
Sat 4/259:25 am
AUS
- SAT
2 stops14h 26m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/214:04 pm
SAT
- AUS
1 stop25h 14m
Frontier
Sat 4/258:50 pm
AUS
- SAT
1 stop17h 23m
Frontier
Deal found 4/6![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/18:24 pm
SAT
- AUS
2 stops23h 31m
Frontier
Sat 5/99:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/8![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/18:24 pm
SAT
- AUS
2 stops23h 31m
Frontier
Sun 5/39:51 pm
AUS
- SAT
1 stop16h 24m
Frontier
Deal found 4/10![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/43:00 pm
SAT
- AUS
1 stop29h 18m
Frontier
Mon 5/119:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/6![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/67:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Wed 5/139:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/8![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/77:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Thu 5/149:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/7![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/87:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Fri 5/159:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/10![Frontier logo]()
$186
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/284:04 pm
SAT
- AUS
1 stop25h 14m
Frontier
Deal found 4/7![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Sat 5/97:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/10![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Fri 5/157:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/10![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Tue 6/238:56 pm
SAT
- AUS
2 stops27h 03m
Frontier
Deal found 4/10![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Tue 6/237:51 pm
SAT
- AUS
3 stops39h 03m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/10. 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.
Mon 6/228:56 pm
SAT
- AUS
2 stops27h 03m
Frontier
Deal found 4/10![Frontier logo]()
$155
This Southwest deal was found by Cheapflights users on 4/7. 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 5/2811:10 am
SAT
- AUS
1 stop3h 55m
Southwest
Deal found 4/7![Southwest logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/284:04 pm
SAT
- AUS
3 stops40h 16m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$197
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $156 (Kiwi.com) |
One-way from | $64 (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 11, 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
Fri 5/8
7:54 pm-8:18 pm
1 stop24h 24m
Austin Bergstrom
Fri 5/15
2:03 pm-6:59 pm
2 stops28h 56m
$215
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Tue 6/23
7:51 pm-9:13 am
1 stop13h 22m
Austin Bergstrom
Sun 6/28
5:49 pm-4:14 pm
2 stops22h 25m
$307
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Wed 6/24
7:51 pm-9:13 am
1 stop13h 22m
Austin Bergstrom
Wed 7/1
10:37 am-4:14 pm
1 stop29h 37m
$322
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Tue 4/21
4:04 pm-5:18 pm
1 stop25h 14m
Austin Bergstrom
Sat 4/25
8:50 pm-2:13 pm
1 stop17h 23m
$345
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Fri 7/3
5:40 am-10:00 am
1 stop4h 20m
Austin Bergstrom
Mon 7/6
7:05 pm-10:50 pm
1 stop3h 45m
$347
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Fri 5/8
1:35 pm-6:50 pm
1 stop5h 15m
Austin Bergstrom
Fri 5/15
10:10 am-2:30 pm
1 stop4h 20m
$367
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Wed 5/6
9:40 am-3:35 pm
2 stops5h 55m
Austin Bergstrom
Wed 5/13
10:55 am-5:20 pm
2 stops6h 25m
$377
Quickest round-trip
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Fri 5/1
3:05 pm-6:50 pm
1 stop3h 45m
Austin Bergstrom
Sun 5/3
5:30 am-9:45 am
1 stop4h 15m
$387
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Sun 4/26
12:50 pm-10:05 am
2 stops21h 15m
Austin Bergstrom
Thu 4/30
6:00 am-11:51 pm
1 stop17h 51m
$398
Cheapest one-way
San AntonioAustin
SAT - AUS
SATAUS
San Antonio
Tue 4/28
4:04 pm-5:18 pm
1 stop25h 14m
$64
Showing 1-10 of 19 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
San Marcos
Round Rock
Fredericksburg
Pflugerville
Georgetown
Bastrop
Dripping Springs
Seguin
Canyon Lake
Horseshoe Bay
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