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Cheap flights from San Antonio to Austin from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Austin departing on 6/16. 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 San Antonio to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:51 pm - 11:59 pm
SAT
-
AUS
28h 08m
1 stop
Frontier Logo
8:15 pm - 6:56 pm
AUS
-
SAT
22h 41m
1 stop
$250Frontier
Tue, Jun 16 - Tue, Jun 23
Frontier Logo
8:56 pm - 11:59 pm
SAT
-
AUS
27h 03m
2 stops
Frontier Logo
8:15 pm - 6:56 pm
AUS
-
SAT
22h 41m
1 stop
$300Frontier
Tue, Jun 16 - Tue, Jun 23
Southwest Logo
6:00 pm - 10:45 pm
SAT
-
AUS
4h 45m
1 stop
Southwest Logo
9:00 pm - 11:50 pm
AUS
-
SAT
2h 50m
1 stop
$347Southwest
Thu, Jun 18 - Sun, Jun 21
Southwest Logo
9:45 am - 3:50 pm
SAT
-
AUS
6h 05m
1 stop
Southwest Logo
3:25 pm - 12:30 am
AUS
-
SAT
9h 05m
2 stops
$348Southwest
Sat, Jul 4 - Tue, Jul 7
Southwest Logo
6:45 am - 10:00 am
SAT
-
AUS
3h 15m
1 stop
Southwest Logo
5:40 am - 11:25 am
AUS
-
SAT
5h 45m
2 stops
$352Southwest
Thu, Jun 18 - Sun, Jun 21
Southwest Logo
5:30 am - 11:55 am
SAT
-
AUS
6h 25m
2 stops
Southwest Logo
3:25 pm - 12:30 am
AUS
-
SAT
9h 05m
2 stops
$353Southwest
Sat, Jul 4 - Tue, Jul 7
Southwest Logo
6:00 pm - 11:50 pm
SAT
-
AUS
5h 50m
2 stops
Southwest Logo
5:40 am - 10:55 am
AUS
-
SAT
5h 15m
2 stops
$357Southwest
Thu, Jul 9 - Mon, Jul 13
Southwest Logo
6:00 am - 7:00 pm
SAT
-
AUS
13h 00m
2 stops
Southwest Logo
5:40 am - 11:25 am
AUS
-
SAT
5h 45m
2 stops
$363Southwest
Thu, Jun 18 - Sun, Jun 21
Southwest Logo
7:25 pm - 10:15 pm
SAT
-
AUS
2h 50m
1 stop
Southwest Logo
5:35 am - 8:40 am
AUS
-
SAT
3h 05m
1 stop
$367Southwest
Sat, Jun 13 - Sat, Jun 20
Southwest Logo
7:15 am - 11:15 am
SAT
-
AUS
4h 00m
1 stop
Southwest Logo
3:25 pm - 12:30 am
AUS
-
SAT
9h 05m
2 stops
$368Southwest
Tue, Jun 16 - Tue, Jun 23

United Airlines flights from San Antonio to Austin

Our best United Airlines deals on San Antonio to Austin flight tickets
United Airlines
Jun 16
SAT4:35 pmSan Antonio
20h 45m
1 stop
AUS1:20 pmAustin Bergstrom
Jun 17
AUS6:04 pmAustin Bergstrom
14h 23m
1 stop
SAT8:27 amSan Antonio
$643
United Airlines
Jun 7
SAT9:37 amSan Antonio
3h 35m
1 stop
AUS1:12 pmAustin Bergstrom
Jun 14
AUS5:39 amAustin Bergstrom
15h 15m
1 stop
SAT8:54 pmSan Antonio
$938

Southwest flights from San Antonio to Austin

Our best Southwest deals on San Antonio to Austin flight tickets
Southwest
Jun 18
SAT6:00 pmSan Antonio
4h 45m
1 stop
AUS10:45 pmAustin Bergstrom
Jun 21
AUS9:00 pmAustin Bergstrom
2h 50m
1 stop
SAT11:50 pmSan Antonio
$347
Southwest
Jul 4
SAT9:45 amSan Antonio
6h 05m
1 stop
AUS3:50 pmAustin Bergstrom
Jul 7
AUS3:25 pmAustin Bergstrom
9h 05m
2 stops
SAT12:30 amSan Antonio
$348
Southwest
Jun 18
SAT6:45 amSan Antonio
3h 15m
1 stop
AUS10:00 amAustin Bergstrom
Jun 21
AUS5:40 amAustin Bergstrom
5h 45m
2 stops
SAT11:25 amSan Antonio
$352

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Austin 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 San Antonio to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 6/16

7:51 pm-11:59 pm

1 stop28h 08m

Austin Bergstrom

Tue 6/23

8:15 pm-6:56 pm

1 stop22h 41m

$250

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 6/16

8:56 pm-11:59 pm

2 stops27h 03m

Austin Bergstrom

Tue 6/23

8:15 pm-6:56 pm

1 stop22h 41m

$300

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 6/18

6:00 pm-10:45 pm

1 stop4h 45m

Austin Bergstrom

Sun 6/21

9:00 pm-11:50 pm

1 stop2h 50m

$347

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Sat 7/4

9:45 am-3:50 pm

1 stop6h 05m

Austin Bergstrom

Tue 7/7

3:25 pm-12:30 am

2 stops9h 05m

$348

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 6/18

6:45 am-10:00 am

1 stop3h 15m

Austin Bergstrom

Sun 6/21

5:40 am-11:25 am

2 stops5h 45m

$352

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Sat 7/4

5:30 am-11:55 am

2 stops6h 25m

Austin Bergstrom

Tue 7/7

3:25 pm-12:30 am

2 stops9h 05m

$353

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 7/9

6:00 pm-11:50 pm

2 stops5h 50m

Austin Bergstrom

Mon 7/13

5:40 am-10:55 am

2 stops5h 15m

$357

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 6/18

6:00 am-7:00 pm

2 stops13h 00m

Austin Bergstrom

Sun 6/21

5:40 am-11:25 am

2 stops5h 45m

$363
Quickest round-trip

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Sat 6/13

7:25 pm-10:15 pm

1 stop2h 50m

Austin Bergstrom

Sat 6/20

5:35 am-8:40 am

1 stop3h 05m

$367

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 6/16

7:15 am-11:15 am

1 stop4h 00m

Austin Bergstrom

Tue 6/23

3:25 pm-12:30 am

2 stops9h 05m

$368

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 Austin from

How to get the cheapest flight ticket from San Antonio to Austin

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 San Antonio to Austin Bergstrom?

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

When to book flights from San Antonio to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Austin (SAT to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Austin

Fastest flight time

3h 05m

Direct flights

None
The fastest flight from San Antonio to Austin takes 3h 05m
There are no direct flights from San Antonio to Austin. There are no popular flight routes from San Antonio to Austin.
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Frequently asked questions about flying from San Antonio to Austin

  • How far is San Antonio to Austin Bergstrom by plane?

    San Antonio and Austin Bergstrom are 74.2 mi apart from one another. A reasonable flight in good conditions will take 3h 05m.

  • When did momondo last update prices for flights from San Antonio Airport to Austin Bergstrom Airport?

    Prices for flights from San Antonio Airport to Austin Bergstrom Airport are updated daily.

  • How old do you have to be to fly from San Antonio Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Wimberley
San Marcos
Round Rock
Georgetown
Cedar Park
Marble Falls
Canyon Lake
Horseshoe Bay
Dripping Springs
Seguin
Pflugerville
Bastrop
Kyle
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Austin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Austin from San Antonio.

Can I find flights from San Antonio to Austin with flexible booking policies on momondo?

All flight searches from San Antonio to Austin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to Austin?

Once all potential San Antonio to Austin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Antonio to Austin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Antonio to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.

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Fri 6/19
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