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Cheap flights from Austin to San Antonio from $140

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
6:51 pm - 6:01 pmAUS  Austin Bergstrom-SAT San Antonio
23h 10m1 stop Denver Intl
Frontier Logo
8:47 pm - 5:35 pmSAT  San Antonio-AUS Austin Bergstrom
20h 48m1 stop Denver Intl
$318Frontier
Fri, Dec 4 - Fri, Dec 11
Frontier Logo
11:02 am - 6:01 pmAUS  Austin Bergstrom-SAT San Antonio
30h 59m2 stops Atlanta Hartsfield-Jackson Denver Intl
Frontier Logo
8:47 pm - 5:35 pmSAT  San Antonio-AUS Austin Bergstrom
20h 48m1 stop Denver Intl
$323Frontier
Fri, Dec 4 - Fri, Dec 11
Frontier Logo
8:23 pm - 10:53 amAUS  Austin Bergstrom-SAT San Antonio
14h 30m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:24 pm - 6:15 pmSAT  San Antonio-AUS Austin Bergstrom
21h 51m1 stop Denver Intl
$331Frontier
Thu, Dec 24 - Mon, Jan 11
Frontier Logo
10:48 am - 12:32 pmAUS  Austin Bergstrom-SAT San Antonio
25h 44m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
8:24 pm - 6:15 pmSAT  San Antonio-AUS Austin Bergstrom
21h 51m1 stop Denver Intl
$336Frontier
Thu, Dec 24 - Mon, Jan 11
Frontier Logo
10:48 am - 12:32 pmAUS  Austin Bergstrom-SAT San Antonio
25h 44m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
8:24 pm - 6:58 pmSAT  San Antonio-AUS Austin Bergstrom
22h 34m1 stop Denver Intl
$348Frontier
Thu, Dec 24 - Tue, Jan 5
American Airlines Logo
5:51 pm - 11:02 pmAUS  Austin Bergstrom-SAT San Antonio
5h 11m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 9:47 amSAT  San Antonio-AUS Austin Bergstrom
3h 47m1 stop Dallas/Fort Worth
$363American Airlines
Wed, Nov 25 - Thu, Nov 26
Frontier Logo
7:44 pm - 7:35 pmAUS  Austin Bergstrom-SAT San Antonio
23h 51m1 stop Denver Intl
Frontier Logo
8:24 pm - 6:58 pmSAT  San Antonio-AUS Austin Bergstrom
22h 34m1 stop Denver Intl
$374Frontier
Sun, Dec 20 - Tue, Jan 5
Frontier Logo
10:48 am - 12:32 pmAUS  Austin Bergstrom-SAT San Antonio
25h 44m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
8:30 pm - 6:58 pmSAT  San Antonio-AUS Austin Bergstrom
22h 28m1 stop Denver Intl
$387Frontier
Thu, Dec 24 - Mon, Jan 4
Frontier Logo
8:23 pm - 10:53 amAUS  Austin Bergstrom-SAT San Antonio
14h 30m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:24 pm - 6:58 pmSAT  San Antonio-AUS Austin Bergstrom
22h 34m1 stop Denver Intl
$389Frontier
Thu, Dec 24 - Tue, Jan 5
Frontier Logo
6:11 pm - 9:57 pmAUS  Austin Bergstrom-SAT San Antonio
27h 46m2 stops Orlando Las Vegas Harry Reid Intl
Frontier Logo
8:47 pm - 8:07 pmSAT  San Antonio-AUS Austin Bergstrom
23h 20m2 stops Denver Intl Las Vegas Harry Reid Intl
$394Frontier
Fri, Dec 4 - Fri, Dec 11

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Southwest flights from Austin to San Antonio

Our best Southwest deals on Austin to San Antonio flight tickets
Southwest
Dec 13
AUS5:40 amAustin Bergstrom
5h 45m
1 stop
SAT11:25 amSan Antonio
Dec 31
SAT4:55 pmSan Antonio
4h 20m
1 stop
AUS9:15 pmAustin Bergstrom
$397
Southwest
Dec 13
AUS5:40 amAustin Bergstrom
5h 45m
1 stop
SAT11:25 amSan Antonio
Dec 31
SAT9:50 amSan Antonio
5h 50m
2 stops
AUS3:40 pmAustin Bergstrom
$402
Southwest
Dec 13
AUS5:30 amAustin Bergstrom
5h 55m
2 stops
SAT11:25 amSan Antonio
Dec 31
SAT12:50 pmSan Antonio
6h 00m
2 stops
AUS6:50 pmAustin Bergstrom
$407

United Airlines flights from Austin to San Antonio

Our best United Airlines deals on Austin to San Antonio flight tickets
United Airlines
Dec 10
AUS7:00 amAustin Bergstrom
8h 48m
1 stop
SAT3:48 pmSan Antonio
Dec 14
SAT4:10 pmSan Antonio
18h 57m
1 stop
AUS11:07 amAustin Bergstrom
$483
United Airlines
Dec 10
AUS7:00 amAustin Bergstrom
8h 48m
1 stop
SAT3:48 pmSan Antonio
Dec 14
SAT4:10 pmSan Antonio
18h 57m
1 stop
AUS11:07 amAustin Bergstrom
$488

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

Return

Price

Cheapest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 12/4

6:51 pm-6:01 pm

1 stop23h 10m

San Antonio

Fri 12/11

8:47 pm-5:35 pm

1 stop20h 48m

$318

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 12/4

11:02 am-6:01 pm

2 stops30h 59m

San Antonio

Fri 12/11

8:47 pm-5:35 pm

1 stop20h 48m

$323

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 12/24

8:23 pm-10:53 am

1 stop14h 30m

San Antonio

Mon 1/11

8:24 pm-6:15 pm

1 stop21h 51m

$331

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 12/24

10:48 am-12:32 pm

2 stops25h 44m

San Antonio

Mon 1/11

8:24 pm-6:15 pm

1 stop21h 51m

$336

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 12/24

10:48 am-12:32 pm

2 stops25h 44m

San Antonio

Tue 1/5

8:24 pm-6:58 pm

1 stop22h 34m

$348
Quickest round-trip

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Wed 11/25

5:51 pm-11:02 pm

1 stop5h 11m

San Antonio

Thu 11/26

6:00 am-9:47 am

1 stop3h 47m

$363

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Sun 12/20

7:44 pm-7:35 pm

1 stop23h 51m

San Antonio

Tue 1/5

8:24 pm-6:58 pm

1 stop22h 34m

$374

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 12/24

10:48 am-12:32 pm

2 stops25h 44m

San Antonio

Mon 1/4

8:30 pm-6:58 pm

1 stop22h 28m

$387

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Thu 12/24

8:23 pm-10:53 am

1 stop14h 30m

San Antonio

Tue 1/5

8:24 pm-6:58 pm

1 stop22h 34m

$389

AustinSan Antonio

AUS Austin Bergstrom - SAT San Antonio

AUSSAT

Austin Bergstrom

Fri 12/4

6:11 pm-9:57 pm

2 stops27h 46m

San Antonio

Fri 12/11

8:47 pm-8:07 pm

2 stops23h 20m

$394

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

$140

Fastest flight time

2h 40m

Direct flights

None
The best one-way flight to San Antonio from Austin in the past 72 hours is $140. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $318.
The fastest flight from Austin to San Antonio takes 2h 40m
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 40m, 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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