How many flights depart from Austin to San Antonio on average per week?

As of July 2025, 4 flights take off from Austin and land in San Antonio each week. The most common flight departure day for this route is Tue, with 25% of weekly flights taking off on this day.

What is the cheapest airline that flies from Austin Bergstrom to San Antonio?

Spirit Airlines and Frontier are the most popular carriers operating from Austin Bergstrom to San Antonio

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.

$114 Cheap Flights from Austin to San Antonio in 2025

1 adult

0 bags

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Find the cheapest flights from Austin to San Antonio

Round-trip

One-way

Last minute

Cheap round-trip flights

7:15 am - 3:44 pmAUS-SAT

8h 29m1 stop

4:49 pm - 12:59 amSAT-AUS

8h 10m1 stop

$230Spirit Airlines

Find Deal

Sat, Aug 23 - Sat, Aug 30

7:30 am - 12:34 amAUS-SAT

17h 04m1 stop

5:53 pm - 12:59 amSAT-AUS

7h 06m1 stop

$235Spirit Airlines

Find Deal

Thu, Aug 7 - Thu, Aug 14

7:30 am - 12:34 amAUS-SAT

17h 04m1 stop

5:53 pm - 12:59 amSAT-AUS

7h 06m1 stop

$241Spirit Airlines

Find Deal

Thu, Aug 7 - Fri, Aug 15

5:00 am - 11:38 amAUS-SAT

6h 38m1 stop

9:15 am - 3:48 pmSAT-AUS

6h 33m1 stop

$249American Airlines

Find Deal

Wed, Aug 6 - Wed, Aug 13

11:50 am - 1:06 pmAUS-SAT

25h 16m2 stops

5:53 pm - 12:59 amSAT-AUS

7h 06m1 stop

$266

Find Deal

Thu, Aug 7 - Thu, Aug 14

2:11 pm - 8:48 pmAUS-SAT

6h 37m1 stop

2:07 pm - 10:04 pmSAT-AUS

7h 57m1 stop

$285Frontier

Find Deal

Thu, Sep 25 - Mon, Sep 29

2:11 pm - 8:48 pmAUS-SAT

6h 37m1 stop

2:07 pm - 10:04 pmSAT-AUS

7h 57m1 stop

$306Frontier

Find Deal

Thu, Sep 25 - Mon, Sep 29

11:50 am - 1:06 pmAUS-SAT

25h 16m2 stops

4:50 pm - 12:59 amSAT-AUS

32h 09m3 stops

$310

Find Deal

Thu, Aug 7 - Thu, Aug 14

5:00 am - 9:27 pmAUS-SAT

16h 27m1 stop

2:15 pm - 8:37 amSAT-AUS

18h 22m1 stop

$311United Airlines

Find Deal

Tue, Aug 5 - Tue, Aug 12

5:30 am - 1:22 pmAUS-SAT

7h 52m1 stop

5:30 am - 10:53 pmSAT-AUS

17h 23m1 stop

$351United Airlines

Find Deal

Wed, Sep 3 - Sun, Sep 7

Spirit Airlines flights from Austin to San Antonio

Our best Spirit Airlines deals on Austin to San Antonio flight tickets

Spirit Airlines

Aug 23

AUS7:15 amAustin Bergstrom

8h 29m

1 stop

SAT3:44 pmSan Antonio

Aug 30

SAT4:49 pmSan Antonio

8h 10m

1 stop

AUS12:59 amAustin Bergstrom

$230

Find similar

Spirit Airlines

Aug 7

AUS7:30 amAustin Bergstrom

17h 04m

1 stop

SAT12:34 amSan Antonio

Aug 14

SAT5:53 pmSan Antonio

7h 06m

1 stop

AUS12:59 amAustin Bergstrom

$235

Find similar

Spirit Airlines

Aug 7

AUS7:30 amAustin Bergstrom

17h 04m

1 stop

SAT12:34 amSan Antonio

Aug 15

SAT5:53 pmSan Antonio

7h 06m

1 stop

AUS12:59 amAustin Bergstrom

$241

Find similar

Frontier flights from Austin to San Antonio

Our best Frontier deals on Austin to San Antonio flight tickets

Frontier

Sep 25

AUS2:11 pmAustin Bergstrom

6h 37m

1 stop

SAT8:48 pmSan Antonio

Sep 29

SAT2:07 pmSan Antonio

7h 57m

1 stop

AUS10:04 pmAustin Bergstrom

$285

Find similar

Frontier

Sep 25

AUS2:11 pmAustin Bergstrom

6h 37m

1 stop

SAT8:48 pmSan Antonio

Sep 29

SAT2:07 pmSan Antonio

7h 57m

1 stop

AUS10:04 pmAustin Bergstrom

$306

Find similar

Frontier

Sep 18

AUS6:30 amAustin Bergstrom

12h 45m

1 stop

SAT7:15 pmSan Antonio

Sep 22

SAT2:07 pmSan Antonio

7h 57m

1 stop

AUS10:04 pmAustin Bergstrom

$318

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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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $260. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $749.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from Austin to San Antonio in the morning for as low as $669. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $762. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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	$114
Fastest flight time	6h 37m
Direct flights	None
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from Austin in the past 72 hours is $114. The best round-trip flight deal from Austin to San Antonio found on momondo in the last 72 hours is $230.

The fastest flight from Austin to San Antonio takes 6h 37m

There are no direct flights from Austin to San Antonio. Popular non-direct route for this connection is Austin Bergstrom Airport - San Antonio Airport.

There is 1 airport near San Antonio: San Antonio (SAT)

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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 6h 37m, 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.

New Braunfels

Kerrville

Boerne

Schertz

Pleasanton

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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.

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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.