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Cheap flights from Austin to San Antonio from $148

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
12:18 pm - 12:15 pmAUS  Austin Bergstrom-SAT San Antonio
23h 57m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:34 pm - 12:22 pmSAT  San Antonio-AUS Austin Bergstrom
13h 48m1 stop Las Vegas Harry Reid Intl
$237Frontier
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
11:51 am - 7:14 pmAUS  Austin Bergstrom-SAT San Antonio
31h 23m2 stops Orlando Denver Intl
Frontier Logo
10:29 pm - 12:22 pmSAT  San Antonio-AUS Austin Bergstrom
13h 53m1 stop Las Vegas Harry Reid Intl
$259Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
4:27 pm - 12:15 pmAUS  Austin Bergstrom-SAT San Antonio
19h 48m2 stops Cleveland Hopkins Intl Las Vegas Harry Reid Intl
Frontier Logo
10:34 pm - 12:22 pmSAT  San Antonio-AUS Austin Bergstrom
13h 48m1 stop Las Vegas Harry Reid Intl
$262Frontier
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
1:08 pm - 9:34 pmAUS  Austin Bergstrom-SAT San Antonio
8h 26m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:29 pm - 12:22 pmSAT  San Antonio-AUS Austin Bergstrom
13h 53m1 stop Las Vegas Harry Reid Intl
$273Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
8:21 pm - 7:14 pmAUS  Austin Bergstrom-SAT San Antonio
22h 53m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 06m1 stop Denver Intl
$279Frontier
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
9:12 pm - 9:34 pmAUS  Austin Bergstrom-SAT San Antonio
24h 22m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:29 pm - 12:13 pmSAT  San Antonio-AUS Austin Bergstrom
13h 44m1 stop Las Vegas Harry Reid Intl
$304Frontier
Mon, Oct 26 - Thu, Oct 29
Southwest Logo
4:50 pm - 9:55 pmAUS  Austin Bergstrom-SAT San Antonio
5h 05m1 stop Houston Hobby
Southwest Logo
11:55 am - 3:50 pmSAT  San Antonio-AUS Austin Bergstrom
3h 55m1 stop Dallas Love Field
$309Southwest
Wed, Oct 14 - Wed, Oct 21
Southwest Logo
12:45 pm - 4:05 pmAUS  Austin Bergstrom-SAT San Antonio
3h 20m1 stop Dallas Love Field
Southwest Logo
12:55 pm - 7:00 pmSAT  San Antonio-AUS Austin Bergstrom
6h 05m2 stops Dallas Love Field Kansas City
$314Southwest
Wed, Oct 14 - Wed, Oct 21
Frontier Logo
10:12 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
21h 13m2 stops Phoenix Sky Harbor Intl Denver Intl
Frontier Logo
10:29 pm - 12:13 pmSAT  San Antonio-AUS Austin Bergstrom
13h 44m1 stop Las Vegas Harry Reid Intl
$321Frontier
Mon, Oct 26 - Thu, Oct 29
Frontier Logo
8:21 pm - 7:14 pmAUS  Austin Bergstrom-SAT San Antonio
22h 53m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 06m1 stop Denver Intl
$329Frontier
Thu, Nov 5 - Mon, Nov 9

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Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets
Frontier
Oct 22
AUS12:18 pmAustin Bergstrom
23h 57m
1 stop
SAT12:15 pmSan Antonio
Oct 26
SAT10:34 pmSan Antonio
13h 48m
1 stop
AUS12:22 pmAustin Bergstrom
$237
Frontier
Oct 29
AUS11:51 amAustin Bergstrom
31h 23m
2 stops
SAT7:14 pmSan Antonio
Nov 2
SAT10:29 pmSan Antonio
13h 53m
1 stop
AUS12:22 pmAustin Bergstrom
$259
Frontier
Oct 22
AUS4:27 pmAustin Bergstrom
19h 48m
2 stops
SAT12:15 pmSan Antonio
Oct 26
SAT10:34 pmSan Antonio
13h 48m
1 stop
AUS12:22 pmAustin Bergstrom
$262

United Airlines flights from Austin to San Antonio

Our best United Airlines deals on Austin to San Antonio flight tickets
United Airlines
Feb 27
AUS12:20 pmAustin Bergstrom
8h 57m
1 stop
SAT9:17 pmSan Antonio
Mar 2
SAT10:00 amSan Antonio
12h 48m
1 stop
AUS10:48 pmAustin Bergstrom
$423
United Airlines
Jan 23
AUS5:15 amAustin Bergstrom
10h 25m
1 stop
SAT3:40 pmSan Antonio
Jan 27
SAT12:24 pmSan Antonio
8h 53m
1 stop
AUS9:17 pmAustin Bergstrom
$443

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

Thu 10/22

12:18 pm-12:15 pm

1 stop23h 57m

San Antonio

Mon 10/26

10:34 pm-12:22 pm

1 stop13h 48m

$237

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/29

11:51 am-7:14 pm

2 stops31h 23m

San Antonio

Mon 11/2

10:29 pm-12:22 pm

1 stop13h 53m

$259

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/22

4:27 pm-12:15 pm

2 stops19h 48m

San Antonio

Mon 10/26

10:34 pm-12:22 pm

1 stop13h 48m

$262

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/29

1:08 pm-9:34 pm

1 stop8h 26m

San Antonio

Mon 11/2

10:29 pm-12:22 pm

1 stop13h 53m

$273

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 10/29

8:21 pm-7:14 pm

1 stop22h 53m

San Antonio

Mon 11/2

8:20 pm-7:26 pm

1 stop23h 06m

$279

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/26

9:12 pm-9:34 pm

1 stop24h 22m

San Antonio

Thu 10/29

10:29 pm-12:13 pm

1 stop13h 44m

$304
Quickest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 10/14

4:50 pm-9:55 pm

1 stop5h 05m

San Antonio

Wed 10/21

11:55 am-3:50 pm

1 stop3h 55m

$309

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 10/14

12:45 pm-4:05 pm

1 stop3h 20m

San Antonio

Wed 10/21

12:55 pm-7:00 pm

2 stops6h 05m

$314

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/26

10:12 pm-7:25 pm

2 stops21h 13m

San Antonio

Thu 10/29

10:29 pm-12:13 pm

1 stop13h 44m

$321

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 11/5

8:21 pm-7:14 pm

1 stop22h 53m

San Antonio

Mon 11/9

8:20 pm-7:26 pm

1 stop23h 06m

$329

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 and Frontier 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

$148

Fastest flight time

3h 20m

Direct flights

None
The best one-way flight to San Antonio from Austin in the past 72 hours is $148. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $237.
The fastest flight from Austin to San Antonio takes 3h 20m
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 20m, 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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