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Cheap flights from Austin to San Antonio from $70

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 4/28. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:00 am - 2:19 pm
AUS
-
SAT
6h 19m
1 stop
Frontier Logo
3:14 pm - 12:21 am
SAT
-
AUS
9h 07m
1 stop
$180Frontier
Tue, Apr 14 - Wed, Apr 15
Multiple Airlines Logo
6:45 am - 12:17 am
AUS
-
SAT
17h 32m
1 stop
Multiple Airlines Logo
10:22 am - 4:04 pm
SAT
-
AUS
29h 42m
1 stop
$183Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Spirit Airlines Logo
4:59 pm - 9:27 am
AUS
-
SAT
16h 28m
1 stop
Spirit Airlines Logo
10:22 am - 12:24 am
SAT
-
AUS
14h 02m
1 stop
$185Spirit Airlines
Wed, Mar 18 - Wed, Mar 25
Spirit Airlines Logo
4:59 pm - 9:27 am
AUS
-
SAT
16h 28m
1 stop
Spirit Airlines Logo
10:22 am - 4:04 pm
SAT
-
AUS
29h 42m
1 stop
$199Spirit Airlines
Thu, Mar 26 - Mon, Mar 30
Multiple Airlines Logo
6:45 am - 12:17 am
AUS
-
SAT
17h 32m
1 stop
Multiple Airlines Logo
1:22 pm - 4:04 pm
SAT
-
AUS
26h 42m
2 stops
$216Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
6:45 am - 12:19 am
AUS
-
SAT
17h 34m
1 stop
Multiple Airlines Logo
10:22 am - 4:04 pm
SAT
-
AUS
29h 42m
1 stop
$219Multiple Airlines
Sat, Apr 11 - Mon, Apr 13
Spirit Airlines Logo
4:59 pm - 9:27 am
AUS
-
SAT
16h 28m
1 stop
Spirit Airlines Logo
10:22 am - 12:24 am
SAT
-
AUS
14h 02m
1 stop
$223Spirit Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
4:59 pm - 9:27 am
AUS
-
SAT
16h 28m
1 stop
Multiple Airlines Logo
10:05 am - 9:50 pm
SAT
-
AUS
11h 45m
1 stop
$228Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
4:59 pm - 9:27 am
AUS
-
SAT
16h 28m
1 stop
Multiple Airlines Logo
6:45 am - 12:21 am
SAT
-
AUS
17h 36m
1 stop
$232Multiple Airlines
Fri, Apr 3 - Sun, Apr 5
Spirit Airlines Logo
4:59 pm - 9:27 am
AUS
-
SAT
16h 28m
1 stop
Spirit Airlines Logo
10:22 am - 12:24 am
SAT
-
AUS
14h 02m
1 stop
$235Spirit Airlines
Thu, Mar 26 - Sun, Mar 29

Spirit Airlines flights from Austin to San Antonio

Our best Spirit Airlines deals on Austin to San Antonio flight tickets
Spirit Airlines
Mar 18
AUS4:59 pmAustin Bergstrom
16h 28m
1 stop
SAT9:27 amSan Antonio
Mar 25
SAT10:22 amSan Antonio
14h 02m
1 stop
AUS12:24 amAustin Bergstrom
$185
Spirit Airlines
Mar 26
AUS4:59 pmAustin Bergstrom
16h 28m
1 stop
SAT9:27 amSan Antonio
Mar 30
SAT10:22 amSan Antonio
29h 42m
1 stop
AUS4:04 pmAustin Bergstrom
$199
Spirit Airlines
Mar 17
AUS4:59 pmAustin Bergstrom
16h 28m
1 stop
SAT9:27 amSan Antonio
Mar 24
SAT10:22 amSan Antonio
14h 02m
1 stop
AUS12:24 amAustin Bergstrom
$223

Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets
Frontier
Apr 14
AUS8:00 amAustin Bergstrom
6h 19m
1 stop
SAT2:19 pmSan Antonio
Apr 15
SAT3:14 pmSan Antonio
9h 07m
1 stop
AUS12:21 amAustin Bergstrom
$180
Frontier
Apr 14
AUS8:00 amAustin Bergstrom
6h 19m
1 stop
SAT2:19 pmSan Antonio
Apr 15
SAT3:14 pmSan Antonio
18h 15m
2 stops
AUS9:29 amAustin Bergstrom
$248
Frontier
Feb 23
AUS10:16 amAustin Bergstrom
9h 21m
1 stop
SAT7:37 pmSan Antonio
Feb 24
SAT5:36 pmSan Antonio
29h 37m
1 stop
AUS11:13 pmAustin Bergstrom
$285

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 February 19, 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

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 4/14

8:00 am-2:19 pm

1 stop6h 19m

San Antonio

Wed 4/15

3:14 pm-12:21 am

1 stop9h 07m

$180

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 3/17

6:45 am-12:17 am

1 stop17h 32m

San Antonio

Tue 3/24

10:22 am-4:04 pm

1 stop29h 42m

$183

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Wed 3/18

4:59 pm-9:27 am

1 stop16h 28m

San Antonio

Wed 3/25

10:22 am-12:24 am

1 stop14h 02m

$185

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 3/26

4:59 pm-9:27 am

1 stop16h 28m

San Antonio

Mon 3/30

10:22 am-4:04 pm

1 stop29h 42m

$199

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 3/17

6:45 am-12:17 am

1 stop17h 32m

San Antonio

Tue 3/24

1:22 pm-4:04 pm

2 stops26h 42m

$216

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Sat 4/11

6:45 am-12:19 am

1 stop17h 34m

San Antonio

Mon 4/13

10:22 am-4:04 pm

1 stop29h 42m

$219

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Tue 3/17

4:59 pm-9:27 am

1 stop16h 28m

San Antonio

Tue 3/24

10:22 am-12:24 am

1 stop14h 02m

$223

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Mon 3/16

4:59 pm-9:27 am

1 stop16h 28m

San Antonio

Mon 3/23

10:05 am-9:50 pm

1 stop11h 45m

$228

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Fri 4/3

4:59 pm-9:27 am

1 stop16h 28m

San Antonio

Sun 4/5

6:45 am-12:21 am

1 stop17h 36m

$232

AustinSan Antonio

AUS - SAT

AUSSAT

Austin Bergstrom

Thu 3/26

4:59 pm-9:27 am

1 stop16h 28m

San Antonio

Sun 3/29

10:22 am-12:24 am

1 stop14h 02m

$235

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 Spirit Airlines 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

3h 35m

Direct flights

None
The fastest flight from Austin to San Antonio takes 3h 35m
There are no direct flights from Austin to San Antonio. There are no popular flight routes from Austin to San Antonio.
Search flight deals

  • 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 35m, 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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