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Cheap flights from Austin to San Antonio from $174

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 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Austin to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
7:51 pm - 7:03 pm
SAT
-
AUS
23h 12m
1 stop
$255Frontier
Tue, Jul 14 - Tue, Jul 21
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
8:59 pm - 7:03 pm
SAT
-
AUS
22h 04m
2 stops
$278Frontier
Tue, Jul 14 - Tue, Jul 21
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
7:51 pm - 7:03 pm
SAT
-
AUS
23h 12m
1 stop
$300Frontier
Tue, Jul 14 - Wed, Jul 22
Frontier Logo
8:15 pm - 6:54 pm
AUS
-
SAT
22h 39m
1 stop
Frontier Logo
8:59 pm - 12:07 am
SAT
-
AUS
27h 08m
2 stops
$305Frontier
Tue, Jul 14 - Mon, Jul 20
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
7:51 pm - 7:03 pm
SAT
-
AUS
23h 12m
1 stop
$312Frontier
Sat, Jul 18 - Tue, Jul 21
Frontier Logo
8:15 pm - 6:54 pm
AUS
-
SAT
22h 39m
1 stop
Frontier Logo
7:51 pm - 12:07 am
SAT
-
AUS
28h 16m
1 stop
$313Frontier
Fri, Jul 10 - Tue, Jul 14
Frontier Logo
10:52 pm - 6:59 pm
AUS
-
SAT
20h 07m
2 stops
Frontier Logo
7:51 pm - 11:59 pm
SAT
-
AUS
28h 08m
1 stop
$315Frontier
Wed, Jun 3 - Wed, Jun 10
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
7:51 pm - 11:23 am
SAT
-
AUS
15h 32m
2 stops
$316Frontier
Tue, Jul 14 - Wed, Jul 22
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
Frontier Logo
7:51 pm - 12:07 am
SAT
-
AUS
28h 16m
1 stop
$317Frontier
Tue, Jul 14 - Mon, Jul 20
Frontier Logo
1:33 pm - 6:54 pm
AUS
-
SAT
29h 21m
2 stops
Frontier Logo
7:51 pm - 7:03 pm
SAT
-
AUS
23h 12m
1 stop
$324Frontier
Fri, Jul 10 - Tue, Jul 21

Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets
Frontier
Jul 14
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
Jul 21
SAT7:51 pmSan Antonio
23h 12m
1 stop
AUS7:03 pmAustin Bergstrom
$255
Frontier
Jul 14
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
Jul 21
SAT8:59 pmSan Antonio
22h 04m
2 stops
AUS7:03 pmAustin Bergstrom
$278
Frontier
Jul 14
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
Jul 22
SAT7:51 pmSan Antonio
23h 12m
1 stop
AUS7:03 pmAustin Bergstrom
$300

Southwest flights from Austin to San Antonio

Our best Southwest deals on Austin to San Antonio flight tickets
Southwest
Jul 2
AUS12:45 pmAustin Bergstrom
3h 00m
1 stop
SAT3:45 pmSan Antonio
Jul 9
SAT11:45 amSan Antonio
4h 30m
1 stop
AUS4:15 pmAustin Bergstrom
$347
Southwest
Jul 2
AUS5:35 amAustin Bergstrom
4h 50m
2 stops
SAT10:25 amSan Antonio
Jul 9
SAT6:45 amSan Antonio
3h 15m
1 stop
AUS10:00 amAustin Bergstrom
$352
Southwest
Jul 2
AUS5:35 amAustin Bergstrom
4h 50m
2 stops
SAT10:25 amSan Antonio
Jul 9
SAT12:50 pmSan Antonio
6h 10m
2 stops
AUS7:00 pmAustin Bergstrom
$357

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 May 20, 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

Tue 7/14

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Tue 7/21

7:51 pm-7:03 pm

1 stop23h 12m

$255

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 7/14

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Tue 7/21

8:59 pm-7:03 pm

2 stops22h 04m

$278

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 7/14

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Wed 7/22

7:51 pm-7:03 pm

1 stop23h 12m

$300

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 7/14

8:15 pm-6:54 pm

1 stop22h 39m

San Antonio

Mon 7/20

8:59 pm-12:07 am

2 stops27h 08m

$305

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sat 7/18

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Tue 7/21

7:51 pm-7:03 pm

1 stop23h 12m

$312

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 7/10

8:15 pm-6:54 pm

1 stop22h 39m

San Antonio

Tue 7/14

7:51 pm-12:07 am

1 stop28h 16m

$313

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 6/3

10:52 pm-6:59 pm

2 stops20h 07m

San Antonio

Wed 6/10

7:51 pm-11:59 pm

1 stop28h 08m

$315
Quickest round-trip

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 7/14

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Wed 7/22

7:51 pm-11:23 am

2 stops15h 32m

$316

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 7/14

6:30 am-6:54 pm

1 stop12h 24m

San Antonio

Mon 7/20

7:51 pm-12:07 am

1 stop28h 16m

$317

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 7/10

1:33 pm-6:54 pm

2 stops29h 21m

San Antonio

Tue 7/21

7:51 pm-7:03 pm

1 stop23h 12m

$324

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

3h 15m

Direct flights

None
The fastest flight from Austin to San Antonio takes 3h 15m
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 15m, 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
Boerne
Pleasanton
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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