US$50 Cheap Flights from San Antonio to Austin
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Flights from San Antonio to Austin
Find cheap one-way flights from San Antonio to Austin starting at US$50.
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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SAT 14:189h 14m1 stopsAUS 23:32San Antonio - Austin | Tue, Mar 25 | Frontier Airlines
AUS 06:107h 7m1 stopsSAT 13:17Austin - San Antonio | Tue, Apr 1 | Frontier AirlinesUS$142 US$44068% OFF68% OFFUS$440 US$142 -
SAT 06:026h 19m1 stopsAUS 12:21San Antonio - Austin | Tue, Apr 22 | American Airlines
AUS 18:154h 42m1 stopsSAT 22:57Austin - San Antonio | Tue, Apr 29 | American AirlinesUS$203 US$44054% OFF54% OFFUS$440 US$203 -
SAT 14:448h 49m1 stopsAUS 23:33San Antonio - Austin | Tue, Apr 8 | Frontier Airlines
AUS 06:1012h 51m1 stopsSAT 19:01Austin - San Antonio | Sun, Apr 13 | Frontier AirlinesUS$229 US$44048% OFF48% OFFUS$440 US$229
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SAT 07:006h 26m1 stopsAUS 13:26San Antonio - Austin | Tue, Apr 1 | American Airlines
AUS 09:308h 48m1 stopsSAT 18:18Austin - San Antonio | Mon, Apr 7 | American AirlinesUS$29134% OFFUS$440 US$291
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SAT 14:107h 1m1 stopsAUS 21:11San Antonio - Austin | Wed, Apr 16 | United Airlines
AUS 11:4411h 34m1 stopsSAT 23:18Austin - San Antonio | Tue, Apr 22 | United AirlinesUS$30032% OFFUS$440 US$300 -
SAT 14:208h 25m1 stopsAUS 22:45San Antonio - Austin | Wed, Mar 26 | United Airlines
AUS 05:0014h 36m1 stopsSAT 19:36Austin - San Antonio | Tue, Apr 1 | United AirlinesUS$30630% OFFUS$440 US$306
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SAT 12:2110h 39m1 stopsAUS 23:00San Antonio - Austin | Wed, Apr 23 | United Airlines
AUS 05:0016h 41m1 stopsSAT 21:41Austin - San Antonio | Wed, Apr 30 | United AirlinesUS$31128% OFFUS$440 US$311
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SAT 05:4015h 35m1 stopsAUS 21:15San Antonio - Austin | Thu, Apr 3 | Southwest Airlines
AUS 16:156h 40m1 stopsSAT 22:55Austin - San Antonio | Mon, Apr 7 | Southwest AirlinesUS$32426% OFFUS$440 US$324 -
SAT 18:0614h 35m1 stopsAUS 08:41San Antonio - Austin | Fri, Apr 4 | United Airlines
AUS 05:006h 18m1 stopsSAT 11:18Austin - San Antonio | Mon, Apr 7 | United AirlinesUS$33324% OFFUS$440 US$333
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SAT 18:064h 54m1 stopsAUS 23:00San Antonio - Austin | Fri, Apr 11 | United Airlines
AUS 05:006h 18m1 stopsSAT 11:18Austin - San Antonio | Thu, Apr 17 | United AirlinesUS$34322% OFFUS$440 US$343
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SAT 13:0017h 25m1 stopsAUS Invalid DateSan Antonio - Austin | Sun, Mar 23 | Normal Airline
AUS 15:006hNonstopSAT 16:00Austin - San Antonio | Tue, Mar 25 | Normal AirlineFind More FlightsFind More Flights
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SAT 14:189h 15m1 stopsAUS 23:33San Antonio - Austin | Tue, Apr 1 | Frontier AirlinesUS$50 US$13162% OFF62% OFFUS$131 US$50
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SAT 14:189h 15m1 stopsAUS 23:33San Antonio - Austin | Sat, Apr 5 | Frontier AirlinesUS$61 US$13153% OFF53% OFFUS$131 US$61
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SAT 14:189h 14m1 stopsAUS 23:32San Antonio - Austin | Tue, Mar 25 | Frontier AirlinesUS$81 US$13138% OFF38% OFFUS$131 US$81
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SAT 17:2827h 52m1 stopsAUS 21:20San Antonio - Austin | Mon, Mar 31 | Frontier AirlinesUS$8634% OFFUS$131 US$86
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SAT 14:189h 15m1 stopsAUS 23:33San Antonio - Austin | Thu, Apr 10 | Frontier AirlinesUS$9031% OFFUS$131 US$90
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SAT 13:3724h 37m1 stopsAUS 14:14San Antonio - Austin | Thu, Apr 24 | Frontier AirlinesUS$9031% OFFUS$131 US$90
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SAT 14:189h 15m1 stopsAUS 23:33San Antonio - Austin | Sat, Apr 12 | Frontier AirlinesUS$9130% OFFUS$131 US$91
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SAT 15:227h 58m1 stopsAUS 23:20San Antonio - Austin | Mon, May 19 | Frontier AirlinesUS$9924% OFFUS$131 US$99
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SAT 19:2516h 59m1 stopsAUS 12:24San Antonio - Austin | Fri, Apr 11 | Spirit AirlinesUS$10023% OFFUS$131 US$100 -
SAT 05:0012h 16m1 stopsAUS 17:16San Antonio - Austin | Tue, Apr 1 | American AirlinesUS$10222% OFFUS$131 US$102
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SAT 13:0017h 25m1 stopsAUS Invalid DateSan Antonio - Austin | Sun, Mar 23 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from San Antonio (SAT) to Austin (AUS) the cheapest?
Airlines adjust prices for flights from San Antonio to Austin based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from San Antonio (SAT) to Austin (AUS) cost?
According to Trip.com's data, the lowest price is around $585.
How to find a cheap flight from San Antonio to Austin
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Antonio to Austin. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest San Antonio to Austin ticket.
Tap "Date" on flight search bar to scan through the calender for San Antonio to Austin airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 1 at US$50 for one-way flights.
Compare cheap San Antonio to Austin flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from San Antonio to Austin. The cheapest airline operating is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your San Antonio to Austin route, you can easily track the price of your airline tickets from San Antonio to Austin without manually checking every day.
Don't miss cheap San Antonio to Austin flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from San Antonio to Austin to get exclusive deals for you.
San Antonio to Austin Flight Information
| Cheapest one-way flight price | $49 |
|---|---|
| Off-season for travel | April |
| Peak season for travel | December |
| Flight distance | 107.73 km |
| Popular airline | United Airlines |
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