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Cheap flights from San Antonio to Austin from $82

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 5/11. 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
4:04 pm - 10:05 am
SAT
-
AUS
18h 01m
1 stop
Frontier Logo
9:47 pm - 3:09 pm
AUS
-
SAT
17h 22m
1 stop
$149Frontier
Sat, Apr 25 - Mon, Apr 27
Frontier Logo
7:54 pm - 8:18 pm
SAT
-
AUS
24h 24m
1 stop
Frontier Logo
9:13 pm - 6:59 pm
AUS
-
SAT
21h 46m
1 stop
$177Frontier
Mon, May 11 - Mon, May 18
Frontier Logo
4:04 pm - 10:05 am
SAT
-
AUS
18h 01m
1 stop
Frontier Logo
9:57 pm - 3:09 pm
AUS
-
SAT
17h 12m
2 stops
$195Frontier
Sat, Apr 25 - Mon, Apr 27
Multiple Airlines Logo
6:00 am - 11:40 pm
SAT
-
AUS
17h 40m
1 stop
Multiple Airlines Logo
9:47 pm - 3:09 pm
AUS
-
SAT
17h 22m
1 stop
$208Multiple Airlines
Sat, Apr 25 - Mon, Apr 27
Frontier Logo
8:59 pm - 8:18 pm
SAT
-
AUS
23h 19m
2 stops
Frontier Logo
9:13 pm - 6:59 pm
AUS
-
SAT
21h 46m
1 stop
$209Frontier
Mon, May 11 - Mon, May 18
Frontier Logo
3:00 pm - 10:05 am
SAT
-
AUS
19h 05m
1 stop
Frontier Logo
9:51 pm - 2:15 pm
AUS
-
SAT
16h 24m
1 stop
$231Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
3:00 pm - 10:05 am
SAT
-
AUS
19h 05m
1 stop
Frontier Logo
9:51 pm - 2:15 pm
AUS
-
SAT
16h 24m
1 stop
$236Frontier
Thu, Apr 30 - Sun, May 3
Frontier Logo
3:00 pm - 10:05 am
SAT
-
AUS
19h 05m
1 stop
Frontier Logo
9:51 pm - 2:15 pm
AUS
-
SAT
16h 24m
1 stop
$238Frontier
Thu, Apr 30 - Sun, May 3
Multiple Airlines Logo
6:00 am - 11:40 pm
SAT
-
AUS
17h 40m
1 stop
Multiple Airlines Logo
9:57 pm - 3:09 pm
AUS
-
SAT
17h 12m
2 stops
$258Multiple Airlines
Sat, Apr 25 - Mon, Apr 27
Frontier Logo
3:00 pm - 10:05 am
SAT
-
AUS
19h 05m
1 stop
Frontier Logo
10:14 am - 2:15 pm
AUS
-
SAT
28h 01m
2 stops
$282Frontier
Thu, Apr 30 - Sun, May 3

Frontier flights from San Antonio to Austin

Our best Frontier deals on San Antonio to Austin flight tickets
Frontier
Apr 25
SAT4:04 pmSan Antonio
18h 01m
1 stop
AUS10:05 amAustin Bergstrom
Apr 27
AUS9:47 pmAustin Bergstrom
17h 22m
1 stop
SAT3:09 pmSan Antonio
$149
Frontier
May 11
SAT7:54 pmSan Antonio
24h 24m
1 stop
AUS8:18 pmAustin Bergstrom
May 18
AUS9:13 pmAustin Bergstrom
21h 46m
1 stop
SAT6:59 pmSan Antonio
$177
Frontier
Apr 25
SAT4:04 pmSan Antonio
18h 01m
1 stop
AUS10:05 amAustin Bergstrom
Apr 27
AUS9:57 pmAustin Bergstrom
17h 12m
2 stops
SAT3:09 pmSan Antonio
$195

Spirit Airlines flights from San Antonio to Austin

Our best Spirit Airlines deals on San Antonio to Austin flight tickets
Spirit Airlines
Apr 13
SAT1:22 pmSan Antonio
26h 42m
3 stops
AUS4:04 pmAustin Bergstrom
Apr 17
AUS7:16 pmAustin Bergstrom
18h 01m
2 stops
SAT1:17 pmSan Antonio
$389
Spirit Airlines
Apr 13
SAT10:22 amSan Antonio
14h 02m
1 stop
AUS12:24 amAustin Bergstrom
Apr 17
AUS6:00 amAustin Bergstrom
31h 17m
3 stops
SAT1:17 pmSan Antonio
$394
Spirit Airlines
Apr 13
SAT1:22 pmSan Antonio
26h 42m
3 stops
AUS4:04 pmAustin Bergstrom
Apr 17
AUS6:00 amAustin Bergstrom
31h 17m
3 stops
SAT1:17 pmSan Antonio
$426

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 March 30, 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

Sat 4/25

4:04 pm-10:05 am

1 stop18h 01m

Austin Bergstrom

Mon 4/27

9:47 pm-3:09 pm

1 stop17h 22m

$149

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Mon 5/11

7:54 pm-8:18 pm

1 stop24h 24m

Austin Bergstrom

Mon 5/18

9:13 pm-6:59 pm

1 stop21h 46m

$177

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Sat 4/25

4:04 pm-10:05 am

1 stop18h 01m

Austin Bergstrom

Mon 4/27

9:57 pm-3:09 pm

2 stops17h 12m

$195

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Sat 4/25

6:00 am-11:40 pm

1 stop17h 40m

Austin Bergstrom

Mon 4/27

9:47 pm-3:09 pm

1 stop17h 22m

$208

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Mon 5/11

8:59 pm-8:18 pm

2 stops23h 19m

Austin Bergstrom

Mon 5/18

9:13 pm-6:59 pm

1 stop21h 46m

$209

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 4/30

3:00 pm-10:05 am

1 stop19h 05m

Austin Bergstrom

Sun 5/3

9:51 pm-2:15 pm

1 stop16h 24m

$231

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 4/30

3:00 pm-10:05 am

1 stop19h 05m

Austin Bergstrom

Sun 5/3

9:51 pm-2:15 pm

1 stop16h 24m

$236

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 4/30

3:00 pm-10:05 am

1 stop19h 05m

Austin Bergstrom

Sun 5/3

9:51 pm-2:15 pm

1 stop16h 24m

$238
Quickest round-trip

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Sat 4/25

6:00 am-11:40 pm

1 stop17h 40m

Austin Bergstrom

Mon 4/27

9:57 pm-3:09 pm

2 stops17h 12m

$258

San AntonioAustin

SAT - AUS

SATAUS

San Antonio

Thu 4/30

3:00 pm-10:05 am

1 stop19h 05m

Austin Bergstrom

Sun 5/3

10:14 am-2:15 pm

2 stops28h 01m

$282

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 00m

Direct flights

None
The fastest flight from San Antonio to Austin takes 3h 00m
There are no direct flights from San Antonio to Austin. There are no popular flight routes from San Antonio to Austin.
Search flight deals

  • 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 00m.

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