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Cheap flights from San Antonio to Austin from $119

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 9/26. 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 San Antonio to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:39 pm - 1:30 pm
SAT
-
AUS
17h 51m
1 stop
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
$238Frontier
Tue, Aug 4 - Tue, Aug 11
Frontier Logo
7:39 pm - 1:30 pm
SAT
-
AUS
17h 51m
1 stop
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
$242Frontier
Tue, Aug 4 - Wed, Aug 12
Frontier Logo
7:49 pm - 12:07 am
SAT
-
AUS
28h 18m
1 stop
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
$246Frontier
Wed, Aug 5 - Tue, Aug 11
Frontier Logo
7:39 pm - 1:30 pm
SAT
-
AUS
17h 51m
1 stop
Frontier Logo
6:30 am - 6:44 pm
AUS
-
SAT
12h 14m
1 stop
$247Frontier
Tue, Jul 28 - Tue, Aug 4
Frontier Logo
7:49 pm - 7:30 pm
SAT
-
AUS
23h 41m
1 stop
Frontier Logo
8:15 pm - 7:31 pm
AUS
-
SAT
23h 16m
1 stop
$260Frontier
Mon, Aug 17 - Mon, Aug 24
Frontier Logo
7:39 pm - 12:07 am
SAT
-
AUS
28h 28m
1 stop
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
$268Frontier
Tue, Aug 4 - Mon, Aug 10
Frontier Logo
7:49 pm - 12:07 am
SAT
-
AUS
28h 18m
1 stop
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
$271Frontier
Wed, Aug 5 - Mon, Aug 10
Frontier Logo
7:39 pm - 12:38 pm
SAT
-
AUS
16h 59m
2 stops
Frontier Logo
6:30 am - 6:54 pm
AUS
-
SAT
12h 24m
1 stop
$291Frontier
Tue, Aug 4 - Wed, Aug 12
Frontier Logo
7:39 pm - 1:30 pm
SAT
-
AUS
17h 51m
1 stop
Frontier Logo
5:34 pm - 6:54 pm
AUS
-
SAT
25h 20m
2 stops
$299Frontier
Tue, Jul 28 - Tue, Aug 4
Frontier Logo
9:32 pm - 11:41 pm
SAT
-
AUS
26h 09m
2 stops
Frontier Logo
8:15 pm - 7:31 pm
AUS
-
SAT
23h 16m
1 stop
$301Frontier
Mon, Aug 17 - Mon, Aug 24

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Frontier flights from San Antonio to Austin

Our best Frontier deals on San Antonio to Austin flight tickets
Frontier
Aug 4
SAT7:39 pmSan Antonio
17h 51m
1 stop
AUS1:30 pmAustin Bergstrom
Aug 11
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
$238
Frontier
Aug 4
SAT7:39 pmSan Antonio
17h 51m
1 stop
AUS1:30 pmAustin Bergstrom
Aug 12
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
$242
Frontier
Aug 5
SAT7:49 pmSan Antonio
28h 18m
1 stop
AUS12:07 amAustin Bergstrom
Aug 11
AUS6:30 amAustin Bergstrom
12h 24m
1 stop
SAT6:54 pmSan Antonio
$246

Southwest flights from San Antonio to Austin

Our best Southwest deals on San Antonio to Austin flight tickets
Southwest
Jul 31
SAT4:50 pmSan Antonio
7h 05m
1 stop
AUS11:55 pmAustin Bergstrom
Aug 2
AUS6:05 amAustin Bergstrom
5h 20m
1 stop
SAT11:25 amSan Antonio
$347
Southwest
Jul 29
SAT8:20 amSan Antonio
5h 35m
1 stop
AUS1:55 pmAustin Bergstrom
Jul 29
AUS3:25 pmAustin Bergstrom
9h 10m
2 stops
SAT12:35 amSan Antonio
$348
Southwest
Jul 31
SAT6:00 pmSan Antonio
5h 55m
2 stops
AUS11:55 pmAustin Bergstrom
Aug 2
AUS5:35 amAustin Bergstrom
4h 45m
1 stop
SAT10:20 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 July 3, 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 8/4

7:39 pm-1:30 pm

1 stop17h 51m

Austin Bergstrom

Tue 8/11

6:30 am-6:54 pm

1 stop12h 24m

$238

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 8/4

7:39 pm-1:30 pm

1 stop17h 51m

Austin Bergstrom

Wed 8/12

6:30 am-6:54 pm

1 stop12h 24m

$242

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Wed 8/5

7:49 pm-12:07 am

1 stop28h 18m

Austin Bergstrom

Tue 8/11

6:30 am-6:54 pm

1 stop12h 24m

$246

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 7/28

7:39 pm-1:30 pm

1 stop17h 51m

Austin Bergstrom

Tue 8/4

6:30 am-6:44 pm

1 stop12h 14m

$247

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Mon 8/17

7:49 pm-7:30 pm

1 stop23h 41m

Austin Bergstrom

Mon 8/24

8:15 pm-7:31 pm

1 stop23h 16m

$260

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 8/4

7:39 pm-12:07 am

1 stop28h 28m

Austin Bergstrom

Mon 8/10

6:30 am-6:54 pm

1 stop12h 24m

$268

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Wed 8/5

7:49 pm-12:07 am

1 stop28h 18m

Austin Bergstrom

Mon 8/10

6:30 am-6:54 pm

1 stop12h 24m

$271
Quickest round-trip

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 8/4

7:39 pm-12:38 pm

2 stops16h 59m

Austin Bergstrom

Wed 8/12

6:30 am-6:54 pm

1 stop12h 24m

$291

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Tue 7/28

7:39 pm-1:30 pm

1 stop17h 51m

Austin Bergstrom

Tue 8/4

5:34 pm-6:54 pm

2 stops25h 20m

$299

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Mon 8/17

9:32 pm-11:41 pm

2 stops26h 09m

Austin Bergstrom

Mon 8/24

8:15 pm-7:31 pm

1 stop23h 16m

$301

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 is the most popular carrier 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 35m

Direct flights

None
The fastest flight from San Antonio to Austin takes 3h 35m
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 35m.

  • 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
Cedar Park
Marble Falls
Georgetown
Canyon Lake
Horseshoe Bay
Dripping Springs
Seguin
Bastrop
Pflugerville
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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