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Cheap flights from Austin to San Antonio from $131

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
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 06m1 stop Denver Intl
$302Frontier
Thu, Oct 22 - Thu, Oct 29
Frontier Logo
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 06m1 stop Denver Intl
$303Frontier
Thu, Oct 22 - Thu, Oct 29
Multiple Airlines Logo
8:24 pm - 11:58 amAUS  Austin Bergstrom-SAT San Antonio
39h 34m2 stops Denver Intl Memphis
Multiple Airlines Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$322Multiple Airlines
Sat, Sep 26 - Wed, Oct 14
Frontier Logo
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
10:29 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
20h 57m2 stops Las Vegas Harry Reid Intl Denver Intl
$338Frontier
Thu, Oct 22 - Thu, Oct 29
Frontier Logo
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
10:29 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
20h 57m2 stops Las Vegas Harry Reid Intl Denver Intl
$342Frontier
Thu, Oct 22 - Thu, Oct 29
Multiple Airlines Logo
8:24 pm - 11:58 amAUS  Austin Bergstrom-SAT San Antonio
39h 34m2 stops Denver Intl Memphis
Multiple Airlines Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$343Multiple Airlines
Sat, Sep 26 - Tue, Oct 13
Multiple Airlines Logo
8:24 pm - 11:58 amAUS  Austin Bergstrom-SAT San Antonio
39h 34m2 stops Denver Intl Memphis
Multiple Airlines Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$344Multiple Airlines
Sat, Sep 26 - Fri, Oct 16
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
Frontier Logo
8:21 pm - 9:08 amAUS  Austin Bergstrom-SAT San Antonio
36h 47m2 stops Denver Intl Orlando
Frontier Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$359Frontier
Sat, Oct 10 - Thu, Oct 15
Southwest Logo
6:35 am - 12:25 pmAUS  Austin Bergstrom-SAT San Antonio
5h 50m1 stop Phoenix Sky Harbor Intl
Southwest Logo
12:55 pm - 7:00 pmSAT  San Antonio-AUS Austin Bergstrom
6h 05m2 stops Dallas Love Field Kansas City
$362Southwest
Wed, Oct 7 - Wed, Oct 14

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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
Oct 7
AUS6:35 amAustin Bergstrom
5h 50m
1 stop
SAT12:25 pmSan Antonio
Oct 14
SAT12:55 pmSan Antonio
6h 05m
2 stops
AUS7:00 pmAustin Bergstrom
$362
Southwest
Oct 4
AUS5:50 pmAustin Bergstrom
5h 45m
1 stop
SAT11:35 pmSan Antonio
Oct 11
SAT5:30 amSan Antonio
3h 30m
1 stop
AUS9:00 amAustin Bergstrom
$377

Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets
Frontier
Oct 22
AUS8:21 pmAustin Bergstrom
23h 05m
1 stop
SAT7:26 pmSan Antonio
Oct 29
SAT8:20 pmSan Antonio
23h 06m
1 stop
AUS7:26 pmAustin Bergstrom
$302
Frontier
Oct 22
AUS8:21 pmAustin Bergstrom
23h 05m
1 stop
SAT7:26 pmSan Antonio
Oct 29
SAT8:20 pmSan Antonio
23h 06m
1 stop
AUS7:26 pmAustin Bergstrom
$303
Frontier
Oct 22
AUS8:21 pmAustin Bergstrom
23h 05m
1 stop
SAT7:26 pmSan Antonio
Oct 29
SAT10:29 pmSan Antonio
20h 57m
2 stops
AUS7:26 pmAustin Bergstrom
$338

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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Price

Cheapest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/22

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Thu 10/29

8:20 pm-7:26 pm

1 stop23h 06m

$302

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/22

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Thu 10/29

8:20 pm-7:26 pm

1 stop23h 06m

$303

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sat 9/26

8:24 pm-11:58 am

2 stops39h 34m

San Antonio

Wed 10/14

8:21 pm-7:26 pm

1 stop23h 05m

$322

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/22

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Thu 10/29

10:29 pm-7:26 pm

2 stops20h 57m

$338

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/22

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Thu 10/29

10:29 pm-7:26 pm

2 stops20h 57m

$342

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sat 9/26

8:24 pm-11:58 am

2 stops39h 34m

San Antonio

Tue 10/13

8:21 pm-7:26 pm

1 stop23h 05m

$343

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sat 9/26

8:24 pm-11:58 am

2 stops39h 34m

San Antonio

Fri 10/16

8:21 pm-7:26 pm

1 stop23h 05m

$344
Quickest round-trip

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

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sat 10/10

8:21 pm-9:08 am

2 stops36h 47m

San Antonio

Thu 10/15

8:21 pm-7:26 pm

1 stop23h 05m

$359

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 10/7

6:35 am-12:25 pm

1 stop5h 50m

San Antonio

Wed 10/14

12:55 pm-7:00 pm

2 stops6h 05m

$362

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 and Southwest 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

$131

Fastest flight time

3h 05m

Direct flights

None
The best one-way flight to San Antonio from Austin in the past 72 hours is $131. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $302.
The fastest flight from Austin to San Antonio takes 3h 05m
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 05m, 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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