$87+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SAT
May 5 — May 121
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
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Best
Last-minute
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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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/49:47 pm
AUS
- SAT
1 stop21h 12m
Frontier
Mon 5/117:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/4![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/176:02 pm
AUS
- SAT
2 stops19h 15m
Multiple Airlines
Tue 4/214:04 pm
SAT
- AUS
1 stop25h 14m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/3![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/19:47 pm
AUS
- SAT
1 stop17h 22m
Frontier
Wed 5/67:54 pm
SAT
- AUS
2 stops25h 53m
Frontier
Deal found 4/1![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/2. 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
2 stops21h 58m
Frontier
Thu 5/77:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/2![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/18:03 pm
AUS
- SAT
2 stops42h 10m
Frontier
Sun 5/107:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/2![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/198:20 pm
AUS
- SAT
2 stops42h 49m
Frontier
Thu 4/233:00 pm
SAT
- AUS
1 stop19h 05m
Frontier
Deal found 4/4![Frontier 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 April 5, 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 April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/19:47 pm
AUS
- SAT
1 stop17h 22m
Frontier
Wed 5/67:54 pm
SAT
- AUS
2 stops25h 53m
Frontier
Deal found 4/1![Frontier logo]()
$229
This Southwest deal was found by Cheapflights users on 4/3. 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 5/234:00 pm
AUS
- SAT
1 stop5h 30m
Southwest
Sun 5/315:35 pm
SAT
- AUS
1 stop5h 55m
Southwest
Deal found 4/3![Southwest logo]()
$347
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Sat 4/189:25 am
AUS
- SAT
2 stops14h 26m
Spirit Airlines
Sun 4/196:00 am
SAT
- AUS
1 stop17h 40m
Spirit Airlines
Deal found 4/1![Spirit Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 4/4. 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 5/85:35 pm
AUS
- SAT
1 stop5h 25m
Southwest
Sun 5/105:25 am
SAT
- AUS
1 stop4h 25m
Southwest
Deal found 4/4![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 4/1. 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 9/171:00 pm
AUS
- SAT
2 stops6h 00m
Southwest
Sun 9/2012:20 pm
SAT
- AUS
1 stop2h 35m
Southwest
Deal found 4/1![Southwest logo]()
$352
This Mytrip deal was found by Cheapflights users on 4/2. 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.
Fri 4/176:00 am
AUS
- SAT
3 stops31h 17m
Spirit Airlines
Sun 4/196:00 am
SAT
- AUS
1 stop17h 40m
Spirit Airlines
Deal found 4/2![Spirit Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 4/1. 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 5/13:25 pm
AUS
- SAT
2 stops8h 05m
Southwest
Wed 5/66:30 am
SAT
- AUS
2 stops5h 30m
Southwest
Deal found 4/1![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 4/4. 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 5/43:10 pm
AUS
- SAT
2 stops8h 20m
Southwest
Mon 5/111:00 pm
SAT
- AUS
2 stops5h 50m
Southwest
Deal found 4/4![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 4/2. 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 5/13:25 pm
AUS
- SAT
2 stops8h 05m
Southwest
Sun 5/105:35 pm
SAT
- AUS
2 stops6h 00m
Southwest
Deal found 4/2![Southwest logo]()
$377
Last-minute flights from Austin to San AntonioDiscover last-minute flight deals from Austin to San Antonio. Data last updated April 5, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to San Antonio. Data last updated April 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/176:02 pm
AUS
- SAT
2 stops19h 15m
Multiple Airlines
Tue 4/214:04 pm
SAT
- AUS
1 stop25h 14m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/198:20 pm
AUS
- SAT
2 stops42h 49m
Frontier
Thu 4/233:00 pm
SAT
- AUS
1 stop19h 05m
Frontier
Deal found 4/4![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 4/2. 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
2 stops21h 58m
Frontier
Thu 5/77:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/2![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/19:47 pm
AUS
- SAT
1 stop17h 22m
Frontier
Wed 5/67:54 pm
SAT
- AUS
2 stops25h 53m
Frontier
Deal found 4/1![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/18:03 pm
AUS
- SAT
2 stops42h 10m
Frontier
Sun 5/107:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/2![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/3![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/49:47 pm
AUS
- SAT
1 stop21h 12m
Frontier
Mon 5/117:54 pm
SAT
- AUS
1 stop24h 24m
Frontier
Deal found 4/4![Frontier logo]()
$127
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 April 5, 2026.
Search for one-way flight options from Austin to San Antonio. Find affordable one-way fares based on user searches. Data last updated April 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/89:13 pm
AUS
- SAT
1 stop21h 46m
Frontier
Deal found 4/3![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/3. 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
Deal found 4/3![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/198:20 pm
AUS
- SAT
2 stops42h 49m
Frontier
Deal found 4/4![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/2110:28 am
AUS
- SAT
1 stop8h 31m
Frontier
Deal found 4/2![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/196:00 am
AUS
- SAT
1 stop17h 51m
Spirit Airlines
Deal found 4/4![Spirit Airlines logo]()
$168
This Southwest deal was found by Cheapflights users on 4/3. 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 5/35:30 am
AUS
- SAT
1 stop4h 15m
Southwest
Deal found 4/3![Southwest logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/310:14 am
AUS
- SAT
2 stops28h 01m
Frontier
Deal found 4/3![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/196:00 am
AUS
- SAT
3 stops31h 06m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$189
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 April 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $127 (Kiwi.com) |
One-way from | $87 (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 April 5, 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 5/1
9:47 pm-3:09 pm
1 stop17h 22m
San Antonio
Wed 5/6
7:54 pm-9:47 pm
2 stops25h 53m
$229
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Sat 5/23
4:00 pm-9:30 pm
1 stop5h 30m
San Antonio
Sun 5/31
5:35 pm-11:30 pm
1 stop5h 55m
$347
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 5/8
5:35 pm-11:00 pm
1 stop5h 25m
San Antonio
Sun 5/10
5:25 am-9:50 am
1 stop4h 25m
$347
Quickest round-trip
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Thu 9/17
1:00 pm-7:00 pm
2 stops6h 00m
San Antonio
Sun 9/20
12:20 pm-2:55 pm
1 stop2h 35m
$352
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 5/1
3:25 pm-11:30 pm
2 stops8h 05m
San Antonio
Wed 5/6
6:30 am-12:00 pm
2 stops5h 30m
$357
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Mon 5/4
3:10 pm-11:30 pm
2 stops8h 20m
San Antonio
Mon 5/11
1:00 pm-6:50 pm
2 stops5h 50m
$357
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 5/1
3:25 pm-11:30 pm
2 stops8h 05m
San Antonio
Sun 5/10
5:35 pm-11:35 pm
2 stops6h 00m
$377
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Sat 4/18
9:25 am-11:51 pm
2 stops14h 26m
San Antonio
Sun 4/19
6:00 am-11:40 pm
1 stop17h 40m
$416
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 4/17
6:00 am-1:17 pm
3 stops31h 17m
San Antonio
Sun 4/19
6:00 am-11:40 pm
1 stop17h 40m
$428
Cheapest one-way
AustinSan Antonio
AUS - SAT
AUSSAT
Austin Bergstrom
Fri 5/8
9:13 pm-6:59 pm
1 stop21h 46m
$87
Showing 1-10 of 18 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 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 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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