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Cheap flights from Austin to San Antonio from $159

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
6:43 pm - 7:56 pmAUS  Austin Bergstrom-SAT San Antonio
25h 13m1 stop Denver Intl
Frontier Logo
10:52 pm - 8:07 pmSAT  San Antonio-AUS Austin Bergstrom
21h 15m1 stop Las Vegas Harry Reid Intl
$235Frontier
Wed, Dec 2 - Wed, Dec 9
Frontier Logo
6:43 pm - 7:56 pmAUS  Austin Bergstrom-SAT San Antonio
25h 13m1 stop Denver Intl
Frontier Logo
10:52 pm - 5:35 pmSAT  San Antonio-AUS Austin Bergstrom
18h 43m2 stops Las Vegas Harry Reid Intl Denver Intl
$269Frontier
Wed, Dec 2 - Wed, Dec 9
Frontier Logo
11:32 am - 6:01 pmAUS  Austin Bergstrom-SAT San Antonio
30h 29m2 stops Atlanta Hartsfield-Jackson Denver Intl
Frontier Logo
8:30 pm - 6:49 pmSAT  San Antonio-AUS Austin Bergstrom
22h 19m1 stop Denver Intl
$278Frontier
Tue, Dec 15 - Tue, Dec 22
Frontier Logo
6:31 pm - 6:01 pmAUS  Austin Bergstrom-SAT San Antonio
23h 30m1 stop Denver Intl
Frontier Logo
8:24 pm - 6:58 amSAT  San Antonio-AUS Austin Bergstrom
34h 34m2 stops Denver Intl Atlanta Hartsfield-Jackson
$282Frontier
Fri, Dec 11 - Sat, Jan 9
Frontier Logo
8:52 pm - 9:57 pmAUS  Austin Bergstrom-SAT San Antonio
25h 05m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:30 pm - 6:49 pmSAT  San Antonio-AUS Austin Bergstrom
22h 19m1 stop Denver Intl
$287Frontier
Tue, Dec 15 - Tue, Dec 22
Frontier Logo
12:10 pm - 9:57 pmAUS  Austin Bergstrom-SAT San Antonio
9h 47m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:47 pm - 5:35 pmSAT  San Antonio-AUS Austin Bergstrom
20h 48m1 stop Denver Intl
$301Frontier
Fri, Dec 11 - Mon, Dec 14
Frontier Logo
8:28 pm - 11:01 amAUS  Austin Bergstrom-SAT San Antonio
14h 33m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:22 pm - 7:07 pmSAT  San Antonio-AUS Austin Bergstrom
22h 45m1 stop Denver Intl
$304Frontier
Wed, Feb 17 - Wed, Feb 24
Frontier Logo
6:43 pm - 9:01 pmAUS  Austin Bergstrom-SAT San Antonio
26h 18m2 stops Denver Intl Las Vegas Harry Reid Intl
Frontier Logo
6:47 pm - 8:07 pmSAT  San Antonio-AUS Austin Bergstrom
25h 20m2 stops Denver Intl Las Vegas Harry Reid Intl
$315Frontier
Wed, Dec 2 - Wed, Dec 9
Southwest Logo
6:25 am - 12:00 pmAUS  Austin Bergstrom-SAT San Antonio
5h 35m1 stop Phoenix Sky Harbor Intl
Southwest Logo
9:50 am - 1:25 pmSAT  San Antonio-AUS Austin Bergstrom
3h 35m1 stop Dallas Love Field
$317Southwest
Sat, Nov 14 - Wed, Nov 18
Frontier Logo
8:02 pm - 7:27 pmAUS  Austin Bergstrom-SAT San Antonio
23h 25m1 stop Denver Intl
Frontier Logo
8:22 pm - 7:33 pmSAT  San Antonio-AUS Austin Bergstrom
23h 11m2 stops Denver Intl Las Vegas Harry Reid Intl
$318Frontier
Wed, Feb 17 - Wed, Feb 24

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Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets
Frontier
Dec 2
AUS6:43 pmAustin Bergstrom
25h 13m
1 stop
SAT7:56 pmSan Antonio
Dec 9
SAT10:52 pmSan Antonio
21h 15m
1 stop
AUS8:07 pmAustin Bergstrom
$235
Frontier
Dec 2
AUS6:43 pmAustin Bergstrom
25h 13m
1 stop
SAT7:56 pmSan Antonio
Dec 9
SAT10:52 pmSan Antonio
18h 43m
2 stops
AUS5:35 pmAustin Bergstrom
$269
Frontier
Dec 15
AUS11:32 amAustin Bergstrom
30h 29m
2 stops
SAT6:01 pmSan Antonio
Dec 22
SAT8:30 pmSan Antonio
22h 19m
1 stop
AUS6:49 pmAustin Bergstrom
$278

United Airlines flights from Austin to San Antonio

Our best United Airlines deals on Austin to San Antonio flight tickets
United Airlines
Jan 23
AUS7:00 amAustin Bergstrom
8h 30m
1 stop
SAT3:30 pmSan Antonio
Jan 27
SAT9:35 amSan Antonio
12h 00m
1 stop
AUS9:35 pmAustin Bergstrom
$403
United Airlines
Nov 10
AUS7:00 amAustin Bergstrom
16h 34m
1 stop
SAT11:34 pmSan Antonio
Nov 11
SAT5:34 pmSan Antonio
18h 07m
1 stop
AUS11:41 amAustin Bergstrom
$1,151
United Airlines
Nov 10
AUS5:40 pmAustin Bergstrom
18h 28m
2 stops
SAT12:08 pmSan Antonio
Nov 11
SAT5:34 pmSan Antonio
18h 07m
1 stop
AUS11:41 amAustin Bergstrom
$1,156

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 12/2

6:43 pm-7:56 pm

1 stop25h 13m

San Antonio

Wed 12/9

10:52 pm-8:07 pm

1 stop21h 15m

$235

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 12/2

6:43 pm-7:56 pm

1 stop25h 13m

San Antonio

Wed 12/9

10:52 pm-5:35 pm

2 stops18h 43m

$269

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Tue 12/15

11:32 am-6:01 pm

2 stops30h 29m

San Antonio

Tue 12/22

8:30 pm-6:49 pm

1 stop22h 19m

$278

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 12/11

6:31 pm-6:01 pm

1 stop23h 30m

San Antonio

Sat 1/9

8:24 pm-6:58 am

2 stops34h 34m

$282

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Tue 12/15

8:52 pm-9:57 pm

1 stop25h 05m

San Antonio

Tue 12/22

8:30 pm-6:49 pm

1 stop22h 19m

$287

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 12/11

12:10 pm-9:57 pm

1 stop9h 47m

San Antonio

Mon 12/14

8:47 pm-5:35 pm

1 stop20h 48m

$301

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 2/17

8:28 pm-11:01 am

1 stop14h 33m

San Antonio

Wed 2/24

8:22 pm-7:07 pm

1 stop22h 45m

$304

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 12/2

6:43 pm-9:01 pm

2 stops26h 18m

San Antonio

Wed 12/9

6:47 pm-8:07 pm

2 stops25h 20m

$315
Quickest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sat 11/14

6:25 am-12:00 pm

1 stop5h 35m

San Antonio

Wed 11/18

9:50 am-1:25 pm

1 stop3h 35m

$317

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 2/17

8:02 pm-7:27 pm

1 stop23h 25m

San Antonio

Wed 2/24

8:22 pm-7:33 pm

2 stops23h 11m

$318

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?

Southwest is the most popular carrier 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

$159

Fastest flight time

3h 25m

Direct flights

None
The best one-way flight to San Antonio from Austin in the past 72 hours is $159. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $235.
The fastest flight from Austin to San Antonio takes 3h 25m
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 3h 25m, 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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