$65+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
Feb 27 — Mar 61
1 adult, Economy
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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
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 January 28, 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 January 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/239:59 am
AUS
- SAT
1 stop6h 19m
Frontier
Mon 3/28:22 pm
SAT
- AUS
1 stop26h 51m
Frontier
Deal found 1/26![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/239:59 am
AUS
- SAT
1 stop6h 19m
Multiple Airlines
Mon 3/25:08 pm
SAT
- AUS
2 stops27h 45m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:06 am
AUS
- SAT
1 stop9h 19m
Frontier
Thu 3/58:25 pm
SAT
- AUS
1 stop27h 51m
Frontier
Deal found 1/27![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:45 am
AUS
- SAT
1 stop17h 32m
Multiple Airlines
Wed 3/1810:27 am
SAT
- AUS
1 stop11h 41m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$202
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:59 pm
AUS
- SAT
1 stop7h 00m
Spirit Airlines
Mon 3/210:26 am
SAT
- AUS
3 stops29h 38m
Spirit Airlines
Deal found 1/26![Spirit Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/911:30 am
AUS
- SAT
2 stops36h 22m
Multiple Airlines
Fri 2/131:57 pm
SAT
- AUS
1 stop26h 07m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:16 am
AUS
- SAT
1 stop12h 36m
Multiple Airlines
Mon 2/26:13 pm
SAT
- AUS
2 stops27h 22m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Wed 2/117:25 am
AUS
- SAT
2 stops16h 27m
Spirit Airlines
Sun 2/1510:26 am
SAT
- AUS
1 stop10h 27m
Spirit Airlines
Deal found 1/27![Spirit Airlines logo]()
$312
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 January 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $145 (Kiwi.com) |
One-way from | $65 (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 January 28, 2026.
Use the filters below to find and compare flights from Austin to San Antonio that are best for you.
Fly from
Austin
Fly to
San Antonio
Route
Depart
Return
Price
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 2/23
9:59 am-4:18 pm
1 stop6h 19m
San Antonio
Mon 3/2
8:22 pm-11:13 pm
1 stop26h 51m
$145
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 2/23
9:59 am-4:18 pm
1 stop6h 19m
San Antonio
Mon 3/2
5:08 pm-8:53 pm
2 stops27h 45m
$158
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Thu 2/26
10:06 am-7:25 pm
1 stop9h 19m
San Antonio
Thu 3/5
8:25 pm-10:00 pm
2 stops25h 35m
$228
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 2/23
4:59 pm-11:59 pm
1 stop7h 00m
San Antonio
Mon 3/2
10:26 am-4:04 pm
3 stops29h 38m
$249
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 2/9
11:30 am-11:52 pm
2 stops36h 22m
San Antonio
Fri 2/13
1:57 pm-4:04 pm
1 stop26h 07m
$256
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Tue 3/17
6:45 am-12:17 am
1 stop17h 32m
San Antonio
Wed 3/18
1:22 pm-9:27 am
2 stops20h 05m
$266
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Wed 2/11
7:25 am-11:52 pm
2 stops16h 27m
San Antonio
Sun 2/15
10:26 am-8:53 pm
1 stop10h 27m
$312
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Wed 4/15
7:20 am-9:30 am
1 stop26h 10m
San Antonio
Mon 6/15
10:26 am-9:35 pm
1 stop11h 09m
$330
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 2/9
7:25 am-11:52 pm
3 stops16h 27m
San Antonio
Fri 2/13
10:26 am-8:53 pm
1 stop10h 27m
$332
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Wed 3/4
8:30 am-5:15 pm
1 stop8h 45m
$65
Showing 1-10 of 19 results
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 January.
| 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.
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