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Cheap flights from Austin to San Antonio from $143

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
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$276Frontier
Wed, Oct 21 - Mon, Oct 26
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
$286Frontier
Mon, Oct 19 - Mon, Oct 26
Frontier Logo
8:24 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 01m1 stop Denver Intl
Frontier Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$300Frontier
Fri, Oct 2 - Fri, Oct 9
Frontier Logo
1:12 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
30h 14m2 stops Las Vegas Harry Reid Intl Denver Intl
Frontier Logo
8:21 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 05m1 stop Denver Intl
$313Frontier
Wed, Oct 21 - Mon, Oct 26
Frontier Logo
8:21 pm - 7:26 pmAUS  Austin Bergstrom-SAT San Antonio
23h 05m1 stop Denver Intl
Frontier Logo
1:10 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
30h 16m2 stops Las Vegas Harry Reid Intl Denver Intl
$315Frontier
Mon, Oct 19 - Mon, Oct 26
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
$323Frontier
Mon, Oct 19 - Sat, Oct 24
Frontier Logo
8:24 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 01m1 stop Denver Intl
Frontier Logo
10:03 am - 11:29 amSAT  San Antonio-AUS Austin Bergstrom
25h 26m2 stops Orlando Atlanta Hartsfield-Jackson
$332Frontier
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
8:21 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 04m1 stop Denver Intl
Multiple Airlines Logo
8:20 pm - 9:58 amSAT  San Antonio-AUS Austin Bergstrom
37h 38m2 stops Denver Intl Knoxville McGhee Tyson
$343Multiple Airlines
Mon, Nov 9 - Sat, Nov 14
Frontier Logo
8:21 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 04m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:26 pmSAT  San Antonio-AUS Austin Bergstrom
23h 06m1 stop Denver Intl
$348Frontier
Mon, Nov 9 - Sat, Nov 14
Frontier Logo
8:24 pm - 7:25 pmAUS  Austin Bergstrom-SAT San Antonio
23h 01m1 stop Denver Intl
Frontier Logo
3:19 pm - 11:23 amSAT  San Antonio-AUS Austin Bergstrom
20h 04m1 stop Las Vegas Harry Reid Intl
$351Frontier
Wed, Sep 30 - Wed, Oct 7

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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 53m
1 stop
SAT9:13 pmSan Antonio
Mar 2
SAT10:00 amSan Antonio
12h 44m
1 stop
AUS10:44 pmAustin Bergstrom
$563
United Airlines
Feb 27
AUS4:00 pmAustin Bergstrom
6h 48m
1 stop
SAT10:48 pmSan Antonio
Mar 2
SAT7:00 pmSan Antonio
16h 07m
2 stops
AUS11:07 amAustin Bergstrom
$584
United Airlines
Feb 27
AUS12:20 pmAustin Bergstrom
8h 53m
1 stop
SAT9:13 pmSan Antonio
Mar 2
SAT10:00 amSan Antonio
12h 44m
1 stop
AUS10:44 pmAustin Bergstrom
$683

Southwest flights from Austin to San Antonio

Our best Southwest deals on Austin to San Antonio flight tickets
Southwest
Oct 1
AUS6:25 pmAustin Bergstrom
6h 55m
1 stop
SAT1:20 amSan Antonio
Oct 9
SAT7:55 pmSan Antonio
3h 00m
1 stop
AUS10:55 pmAustin Bergstrom
$357
Southwest
Oct 17
AUS6:55 amAustin Bergstrom
6h 15m
1 stop
SAT1:10 pmSan Antonio
Oct 24
SAT8:35 amSan Antonio
5h 00m
2 stops
AUS1:35 pmAustin Bergstrom
$362
Southwest
Oct 17
AUS6:10 amAustin Bergstrom
7h 30m
2 stops
SAT1:40 pmSan Antonio
Oct 24
SAT10:05 amSan Antonio
5h 30m
2 stops
AUS3:35 pmAustin Bergstrom
$367

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 10/21

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Mon 10/26

8:21 pm-7:26 pm

1 stop23h 05m

$276

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/19

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Mon 10/26

8:21 pm-7:26 pm

1 stop23h 05m

$286

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 10/2

8:24 pm-7:25 pm

1 stop23h 01m

San Antonio

Fri 10/9

8:21 pm-7:26 pm

1 stop23h 05m

$300

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 10/21

1:12 pm-7:26 pm

2 stops30h 14m

San Antonio

Mon 10/26

8:21 pm-7:26 pm

1 stop23h 05m

$313

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/19

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Mon 10/26

1:10 pm-7:26 pm

2 stops30h 16m

$315

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 10/19

8:21 pm-7:26 pm

1 stop23h 05m

San Antonio

Sat 10/24

8:21 pm-7:26 pm

1 stop23h 05m

$323

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 9/30

8:24 pm-7:25 pm

1 stop23h 01m

San Antonio

Wed 10/7

10:03 am-11:29 am

2 stops25h 26m

$332

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 11/9

8:21 pm-7:25 pm

1 stop23h 04m

San Antonio

Sat 11/14

8:20 pm-9:58 am

2 stops37h 38m

$343

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Mon 11/9

8:21 pm-7:25 pm

1 stop23h 04m

San Antonio

Sat 11/14

8:20 pm-7:26 pm

1 stop23h 06m

$348
Quickest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 9/30

8:24 pm-7:25 pm

1 stop23h 01m

San Antonio

Wed 10/7

3:19 pm-11:23 am

1 stop20h 04m

$351

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

$143

Fastest flight time

2h 55m

Direct flights

None
The best one-way flight to San Antonio from Austin in the past 72 hours is $143. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $276.
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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