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Cheap flights from Austin to San Antonio from $173

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 7/14. 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
8:05 am - 10:55 am
AUS
-
SAT
2h 50m
1 stop
Southwest Logo
8:50 pm - 11:40 pm
SAT
-
AUS
2h 50m
1 stop
$347Southwest
Thu, Jul 9 - Sun, Jul 12
Southwest Logo
8:05 am - 10:55 am
AUS
-
SAT
2h 50m
1 stop
Southwest Logo
5:40 am - 12:15 pm
SAT
-
AUS
6h 35m
2 stops
$352Southwest
Thu, Jul 9 - Sun, Jul 12
Southwest Logo
5:40 am - 10:55 am
AUS
-
SAT
5h 15m
2 stops
Southwest Logo
5:20 am - 10:55 am
SAT
-
AUS
5h 35m
2 stops
$357Southwest
Thu, Jul 9 - Sun, Jul 12
Southwest Logo
7:30 am - 2:00 pm
AUS
-
SAT
6h 30m
1 stop
Southwest Logo
2:00 pm - 7:00 pm
SAT
-
AUS
5h 00m
1 stop
$367Southwest
Sat, Jul 4 - Sat, Jul 11
Southwest Logo
6:55 am - 12:10 pm
AUS
-
SAT
5h 15m
1 stop
Southwest Logo
8:20 am - 4:35 pm
SAT
-
AUS
8h 15m
2 stops
$372Southwest
Sat, Jul 4 - Sat, Jul 11
Southwest Logo
6:10 am - 1:10 pm
AUS
-
SAT
7h 00m
2 stops
Southwest Logo
5:50 am - 12:00 pm
SAT
-
AUS
6h 10m
2 stops
$377Southwest
Sat, Jul 4 - Sat, Jul 11
Southwest Logo
8:40 am - 3:20 pm
AUS
-
SAT
6h 40m
1 stop
Southwest Logo
9:45 am - 1:20 pm
SAT
-
AUS
3h 35m
1 stop
$387Southwest
Wed, Jul 1 - Mon, Jul 6
Southwest Logo
3:25 pm - 12:30 am
AUS
-
SAT
9h 05m
2 stops
Southwest Logo
6:00 pm - 10:50 pm
SAT
-
AUS
4h 50m
1 stop
$388Southwest
Wed, Jul 1 - Mon, Jul 6
Southwest Logo
8:05 am - 1:25 pm
AUS
-
SAT
5h 20m
1 stop
Southwest Logo
5:30 am - 11:20 am
SAT
-
AUS
5h 50m
2 stops
$392Southwest
Fri, Jul 3 - Tue, Jul 7
Southwest Logo
3:25 pm - 12:30 am
AUS
-
SAT
9h 05m
2 stops
Southwest Logo
12:50 pm - 7:00 pm
SAT
-
AUS
6h 10m
2 stops
$393Southwest
Wed, Jul 1 - Mon, Jul 6

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Southwest flights from Austin to San Antonio

Our best Southwest deals on Austin to San Antonio flight tickets
Southwest
Jul 9
AUS8:05 amAustin Bergstrom
2h 50m
1 stop
SAT10:55 amSan Antonio
Jul 12
SAT8:50 pmSan Antonio
2h 50m
1 stop
AUS11:40 pmAustin Bergstrom
$347
Southwest
Jul 9
AUS8:05 amAustin Bergstrom
2h 50m
1 stop
SAT10:55 amSan Antonio
Jul 12
SAT5:40 amSan Antonio
6h 35m
2 stops
AUS12:15 pmAustin Bergstrom
$352
Southwest
Jul 9
AUS5:40 amAustin Bergstrom
5h 15m
2 stops
SAT10:55 amSan Antonio
Jul 12
SAT5:20 amSan Antonio
5h 35m
2 stops
AUS10:55 amAustin Bergstrom
$357

Alaska Airlines flights from Austin to San Antonio

Our best Alaska Airlines deals on Austin to San Antonio flight tickets
Alaska Airlines
Jul 22
AUS4:17 pmAustin Bergstrom
12h 43m
1 stop
SAT5:00 amSan Antonio
Jul 28
SAT7:02 amSan Antonio
17h 29m
1 stop
AUS12:31 amAustin Bergstrom
$743
Alaska Airlines
Jul 6
AUS6:00 amAustin Bergstrom
17h 04m
2 stops
SAT11:04 pmSan Antonio
Jul 15
SAT11:04 amSan Antonio
11h 56m
2 stops
AUS11:00 pmAustin Bergstrom
$9,005

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 June 10, 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
Quickest round-trip

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 7/9

8:05 am-10:55 am

1 stop2h 50m

San Antonio

Sun 7/12

8:50 pm-11:40 pm

1 stop2h 50m

$347

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 7/9

8:05 am-10:55 am

1 stop2h 50m

San Antonio

Sun 7/12

5:40 am-12:15 pm

2 stops6h 35m

$352

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 7/9

5:40 am-10:55 am

2 stops5h 15m

San Antonio

Sun 7/12

5:20 am-10:55 am

2 stops5h 35m

$357

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sat 7/4

7:30 am-2:00 pm

1 stop6h 30m

San Antonio

Sat 7/11

2:00 pm-7:00 pm

1 stop5h 00m

$367

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sat 7/4

6:55 am-12:10 pm

1 stop5h 15m

San Antonio

Sat 7/11

8:20 am-4:35 pm

2 stops8h 15m

$372

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sat 7/4

6:10 am-1:10 pm

2 stops7h 00m

San Antonio

Sat 7/11

5:50 am-12:00 pm

2 stops6h 10m

$377

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 7/1

8:40 am-3:20 pm

1 stop6h 40m

San Antonio

Mon 7/6

9:45 am-1:20 pm

1 stop3h 35m

$387

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 7/1

3:25 pm-12:30 am

2 stops9h 05m

San Antonio

Mon 7/6

6:00 pm-10:50 pm

1 stop4h 50m

$388

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 7/3

8:05 am-1:25 pm

1 stop5h 20m

San Antonio

Tue 7/7

5:30 am-11:20 am

2 stops5h 50m

$392

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 7/1

3:25 pm-12:30 am

2 stops9h 05m

San Antonio

Mon 7/6

12:50 pm-7:00 pm

2 stops6h 10m

$393

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 is the most popular carrier 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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Fri 7/10
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