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Cheap flights from Austin to San Antonio from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to San Antonio departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Southwest Logo
6:20 am - 11:10 am
AUS
-
SAT
4h 50m
1 stop
Southwest Logo
2:55 pm - 8:25 pm
SAT
-
AUS
5h 30m
1 stop
$228Southwest
Thu, Aug 13 - Mon, Aug 17
Southwest Logo
8:40 am - 2:45 pm
AUS
-
SAT
6h 05m
2 stops
Southwest Logo
2:55 pm - 11:10 pm
SAT
-
AUS
8h 15m
1 stop
$234Southwest
Thu, Aug 13 - Mon, Aug 17
Southwest Logo
7:45 am - 12:50 pm
AUS
-
SAT
5h 05m
2 stops
Southwest Logo
12:55 pm - 7:15 pm
SAT
-
AUS
6h 20m
2 stops
$239Southwest
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
2:45 pm - 5:55 pm
AUS
-
SAT
3h 10m
1 stop
Southwest Logo
5:40 am - 11:15 am
SAT
-
AUS
5h 35m
1 stop
$252Southwest
Wed, Aug 5 - Sat, Aug 8
Southwest Logo
8:40 am - 12:20 pm
AUS
-
SAT
3h 40m
1 stop
Southwest Logo
5:40 am - 11:25 am
SAT
-
AUS
5h 45m
2 stops
$258Southwest
Wed, Aug 5 - Sat, Aug 8
Southwest Logo
8:40 am - 2:45 pm
AUS
-
SAT
6h 05m
2 stops
Southwest Logo
4:00 pm - 8:00 pm
SAT
-
AUS
4h 00m
1 stop
$263Southwest
Mon, Sep 14 - Fri, Sep 18
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
7:49 pm - 7:30 pm
SAT
-
AUS
23h 41m
1 stop
$273Frontier
Thu, Aug 13 - Mon, Aug 17
Southwest Logo
5:30 am - 8:20 am
AUS
-
SAT
2h 50m
1 stop
Southwest Logo
1:30 pm - 7:15 pm
SAT
-
AUS
5h 45m
1 stop
$274Southwest
Fri, Aug 7 - Tue, Aug 18
Southwest Logo
6:20 am - 11:10 am
AUS
-
SAT
4h 50m
1 stop
Southwest Logo
6:40 am - 12:15 pm
SAT
-
AUS
5h 35m
2 stops
$279Southwest
Fri, Aug 7 - Tue, Aug 18
Southwest Logo
8:40 am - 2:45 pm
AUS
-
SAT
6h 05m
2 stops
Southwest Logo
4:20 pm - 9:20 pm
SAT
-
AUS
5h 00m
2 stops
$285Southwest
Fri, Aug 7 - Tue, Aug 18

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Southwest flights from Austin to San Antonio

Our best Southwest deals on Austin to San Antonio flight tickets
Southwest
Aug 13
AUS6:20 amAustin Bergstrom
4h 50m
1 stop
SAT11:10 amSan Antonio
Aug 17
SAT2:55 pmSan Antonio
5h 30m
1 stop
AUS8:25 pmAustin Bergstrom
$228
Southwest
Aug 13
AUS8:40 amAustin Bergstrom
6h 05m
2 stops
SAT2:45 pmSan Antonio
Aug 17
SAT2:55 pmSan Antonio
8h 15m
1 stop
AUS11:10 pmAustin Bergstrom
$234
Southwest
Aug 25
AUS7:45 amAustin Bergstrom
5h 05m
2 stops
SAT12:50 pmSan Antonio
Sep 1
SAT12:55 pmSan Antonio
6h 20m
2 stops
AUS7:15 pmAustin Bergstrom
$239

Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets
Frontier
Aug 13
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
Aug 17
SAT7:49 pmSan Antonio
23h 41m
1 stop
AUS7:30 pmAustin Bergstrom
$273
Frontier
Aug 13
AUS7:43 pmAustin Bergstrom
13h 13m
2 stops
SAT8:56 amSan Antonio
Aug 17
SAT7:49 pmSan Antonio
23h 41m
1 stop
AUS7:30 pmAustin Bergstrom
$297
Frontier
Aug 13
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
Aug 19
SAT10:24 pmSan Antonio
17h 31m
1 stop
AUS3:55 pmAustin Bergstrom
$307

momondo Fare Finder

 
Customize your flight search to find flights from Austin to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Austin to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 8/13

6:20 am-11:10 am

1 stop4h 50m

San Antonio

Mon 8/17

2:55 pm-8:25 pm

1 stop5h 30m

$228

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 8/13

8:40 am-2:45 pm

2 stops6h 05m

San Antonio

Mon 8/17

2:55 pm-11:10 pm

1 stop8h 15m

$234

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 8/25

7:45 am-12:50 pm

2 stops5h 05m

San Antonio

Tue 9/1

12:55 pm-7:15 pm

2 stops6h 20m

$239

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 8/5

2:45 pm-5:55 pm

1 stop3h 10m

San Antonio

Sat 8/8

5:40 am-11:15 am

1 stop5h 35m

$252

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 8/5

8:40 am-12:20 pm

1 stop3h 40m

San Antonio

Sat 8/8

5:40 am-11:25 am

2 stops5h 45m

$258

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Mon 9/14

8:40 am-2:45 pm

2 stops6h 05m

San Antonio

Fri 9/18

4:00 pm-8:00 pm

1 stop4h 00m

$263

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 8/13

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Mon 8/17

7:49 pm-7:30 pm

1 stop23h 41m

$273
Quickest round-trip

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 8/7

5:30 am-8:20 am

1 stop2h 50m

San Antonio

Tue 8/18

1:30 pm-7:15 pm

1 stop5h 45m

$274

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 8/7

6:20 am-11:10 am

1 stop4h 50m

San Antonio

Tue 8/18

6:40 am-12:15 pm

2 stops5h 35m

$279

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 8/7

8:40 am-2:45 pm

2 stops6h 05m

San Antonio

Tue 8/18

4:20 pm-9:20 pm

2 stops5h 00m

$285

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

Fastest flight time

2h 50m

Direct flights

None
The fastest flight from Austin to San Antonio takes 2h 50m
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 50m, 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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