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Cheap flights from Austin to San Antonio from $120

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Austin to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:24 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 01m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:29 pmSAT  San Antonio-AUS Austin Bergstrom
23h 09m1 stop Denver Intl
$228Frontier
Wed, Sep 23 - Wed, Sep 30
Frontier Logo
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$305Frontier
Mon, Oct 12 - Mon, Oct 19
Frontier Logo
8:24 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 01m1 stop Denver Intl
Frontier Logo
10:03 am - 5:48 pmSAT  San Antonio-AUS Austin Bergstrom
31h 45m2 stops Orlando Atlanta Hartsfield-Jackson
$317Frontier
Wed, Sep 23 - Wed, Sep 30
Frontier Logo
10:12 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
21h 14m2 stops Phoenix Sky Harbor Intl Denver Intl
Frontier Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$323Frontier
Mon, Oct 12 - Mon, Oct 19
Southwest Logo
5:50 pm - 11:35 pmAUS  Austin Bergstrom-SAT San Antonio
5h 45m1 stop Dallas Love Field
Southwest Logo
6:50 pm - 11:30 pmSAT  San Antonio-AUS Austin Bergstrom
4h 40m1 stop Dallas Love Field
$357Southwest
Sun, Oct 11 - Sun, Oct 18
Southwest Logo
8:40 am - 2:45 pmAUS  Austin Bergstrom-SAT San Antonio
6h 05m2 stops Dallas Love Field Houston Hobby
Southwest Logo
7:30 pm - 10:35 pmSAT  San Antonio-AUS Austin Bergstrom
3h 05m1 stop Houston Hobby
$362Southwest
Fri, Sep 25 - Sun, Sep 27
Southwest Logo
5:35 am - 12:10 pmAUS  Austin Bergstrom-SAT San Antonio
6h 35m2 stops Dallas Love Field Houston Hobby
Southwest Logo
3:45 pm - 8:30 pmSAT  San Antonio-AUS Austin Bergstrom
4h 45m2 stops Houston Hobby Dallas Love Field
$367Southwest
Sat, Oct 10 - Sat, Oct 17
Southwest Logo
7:45 am - 12:50 pmAUS  Austin Bergstrom-SAT San Antonio
5h 05m2 stops Houston Hobby Dallas Love Field
Southwest Logo
6:40 am - 12:15 pmSAT  San Antonio-AUS Austin Bergstrom
5h 35m2 stops Dallas Love Field Houston Hobby
$387Southwest
Wed, Sep 23 - Wed, Sep 30
Southwest Logo
12:45 pm - 9:10 pmAUS  Austin Bergstrom-SAT San Antonio
8h 25m2 stops Albuquerque Phoenix Sky Harbor Intl
Southwest Logo
12:50 pm - 6:50 pmSAT  San Antonio-AUS Austin Bergstrom
6h 00m2 stops Houston Hobby Dallas Love Field
$437Southwest
Tue, Dec 29 - Tue, Jan 5
Frontier Logo
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
8:21 pm - 10:57 amSAT  San Antonio-AUS Austin Bergstrom
38h 36m2 stops Denver Intl Atlanta Hartsfield-Jackson
$442Frontier
Sun, Oct 11 - Sun, Oct 18

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Southwest flights from Austin to San Antonio

Our best Southwest deals on Austin to San Antonio flight tickets
Southwest
Oct 11
AUS5:50 pmAustin Bergstrom
5h 45m
1 stop
SAT11:35 pmSan Antonio
Oct 18
SAT6:50 pmSan Antonio
4h 40m
1 stop
AUS11:30 pmAustin Bergstrom
$357
Southwest
Sep 25
AUS8:40 amAustin Bergstrom
6h 05m
2 stops
SAT2:45 pmSan Antonio
Sep 27
SAT7:30 pmSan Antonio
3h 05m
1 stop
AUS10:35 pmAustin Bergstrom
$362
Southwest
Oct 10
AUS5:35 amAustin Bergstrom
6h 35m
2 stops
SAT12:10 pmSan Antonio
Oct 17
SAT3:45 pmSan Antonio
4h 45m
2 stops
AUS8:30 pmAustin Bergstrom
$367

United Airlines flights from Austin to San Antonio

Our best United Airlines deals on Austin to San Antonio flight tickets
United Airlines
Oct 3
AUS12:15 pmAustin Bergstrom
9h 16m
1 stop
SAT9:31 pmSan Antonio
Oct 6
SAT9:48 amSan Antonio
11h 34m
1 stop
AUS9:22 pmAustin Bergstrom
$503
United Airlines
Oct 3
AUS12:15 pmAustin Bergstrom
9h 16m
1 stop
SAT9:31 pmSan Antonio
Oct 6
SAT9:48 amSan Antonio
11h 34m
1 stop
AUS9:22 pmAustin Bergstrom
$581

momondo Fare Finder

 
Use the filters below to find and compare flights from Austin to San Antonio that are best for you.

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Route

Depart

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Price

Cheapest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 9/23

8:24 pm-7:25 pm

1 stop23h 01m

San Antonio

Wed 9/30

8:20 pm-7:29 pm

1 stop23h 09m

$228

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/12

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Mon 10/19

8:21 pm-7:26 pm

1 stop23h 05m

$305

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 9/23

8:24 pm-7:25 pm

1 stop23h 01m

San Antonio

Wed 9/30

10:03 am-5:48 pm

2 stops31h 45m

$317

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/12

10:12 pm-7:26 pm

2 stops21h 14m

San Antonio

Mon 10/19

8:21 pm-7:26 pm

1 stop23h 05m

$323

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sun 10/11

5:50 pm-11:35 pm

1 stop5h 45m

San Antonio

Sun 10/18

6:50 pm-11:30 pm

1 stop4h 40m

$357
Quickest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 9/25

8:40 am-2:45 pm

2 stops6h 05m

San Antonio

Sun 9/27

7:30 pm-10:35 pm

1 stop3h 05m

$362

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sat 10/10

5:35 am-12:10 pm

2 stops6h 35m

San Antonio

Sat 10/17

3:45 pm-8:30 pm

2 stops4h 45m

$367

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 9/23

7:45 am-12:50 pm

2 stops5h 05m

San Antonio

Wed 9/30

6:40 am-12:15 pm

2 stops5h 35m

$387

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Tue 12/29

12:45 pm-9:10 pm

2 stops8h 25m

San Antonio

Tue 1/5

12:50 pm-6:50 pm

2 stops6h 00m

$437

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sun 10/11

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Sun 10/18

8:21 pm-10:57 am

2 stops38h 36m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Austin to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Austin Bergstrom to San Antonio?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Austin Bergstrom to San Antonio

When to book flights from Austin to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to San Antonio (AUS to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to San Antonio

Best Price Found

$120

Fastest flight time

2h 55m

Direct flights

None
The best one-way flight to San Antonio from Austin in the past 72 hours is $120. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $228.
The fastest flight from Austin to San Antonio takes 2h 55m
There are no direct flights from Austin to San Antonio. There are no popular flight routes from Austin to San Antonio.
Search flight deals

Frequently asked questions about flying from Austin to San Antonio

  • How far is Austin Bergstrom to San Antonio by plane?

    There are 74.2 mi between Austin Bergstrom and San Antonio. Flights usually cover this in 2h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to San Antonio Airport?

    Prices for flights from Austin Bergstrom Airport to San Antonio Airport are updated daily.

  • How old do you have to be to fly from Austin Bergstrom Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Austin to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to San Antonio with flexible booking policies on momondo?

Flights from Austin to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Austin to San Antonio?

momondo helps you find the best flight between Austin and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Austin to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Austin to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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