Which airlines fly to San Antonio?

Based on our data, the most popular airlines that fly to San Antonio from Australia are United Airlines, Qantas Airways, Air New Zealand and Air Canada. There may also be other airline options depending on where in Australia you’re flying from.

Qantas Airways Flights to San Antonio

6 Qantas Airways flights head to San Antonio on average each week. Most will be flying from Dallas/Fort Worth to San Antonio, the most popular route that Qantas Airways operates to San Antonio. Prices vary based on when and where you fly from - the cheapest Qantas Airways flight to San Antonio found in the past 3 days on momondo was $1,558, departing from Brisbane. Qantas Airways is the most popular choice on momondo for this route and has been scored 7.5/10 by 924 of our users.

United Airlines Flights to San Antonio

United Airlines flights to San Antonio can start from as low as $1,498 (return, from Brisbane, found in the last 72 hours). Over 44 flights that United Airlines operates to San Antonio in a normal week, prices can vary significantly. The most popular United Airlines flight to San Antonio is from Houston George Bush Intcntl. United Airlines has been rated 7.4/10 by momondo users, in 8,996 reviews.

How long does it take to fly to San Antonio?

The average flight duration from Australia to San Antonio depends on which airport you fly into and out of. Flying from Sydney Kingsford Smith to Austin Bergstrom is 18h 04m on average, while flying from Melbourne to Austin Bergstrom is 20h 53m on average. Austin Bergstrom is the most popular airport in San Antonio.

$941 Cheap Flights to San Antonio in 2025/26

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Find the cheapest flights from Australia to San Antonio

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One-way

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09:55 - 19:37SYD-SAT

26h 42m2 stops

14:14 - 08:45SAT-SYD

25h 31m2 stops

$1,790Air New Zealand

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Sun, 23 Nov - Sun, 30 Nov

09:40 - 14:40SYD-SAT

21h 00m1 stop

16:10 - 06:35SAT-SYD

23h 25m1 stop

$1,846Delta

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Sun, 15 Mar - Sun, 12 Apr

11:20 - 16:25SYD-SAT

21h 05m2 stops

15:15 - 07:05SAT-SYD

24h 50m1 stop

$1,994American Airlines

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Sun, 15 Mar - Wed, 15 Apr

11:20 - 14:28SYD-SAT

19h 08m1 stop

15:15 - 09:20SAT-SYD

27h 05m2 stops

$2,034American Airlines

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Thu, 19 Mar - Thu, 16 Apr

09:40 - 00:45SYD-SAT

31h 05m2 stops

05:30 - 06:35SAT-SYD

34h 05m2 stops

$2,045Delta

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Sun, 15 Mar - Wed, 15 Apr

11:50 - 17:45SYD-SAT

21h 55m1 stop

15:25 - 06:55SAT-SYD

24h 30m1 stop

$2,136United Airlines

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Thu, 19 Mar - Thu, 16 Apr

11:20 - 15:44SYD-SAT

21h 24m2 stops

14:14 - 09:05SAT-SYD

25h 51m2 stops

$2,437United Airlines

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Sun, 23 Nov - Sun, 30 Nov

10:25 - 21:23SYD-SAT

26h 58m2 stops

10:00 - 07:20SAT-SYD

30h 20m3 stops

$2,701Air Canada

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Thu, 19 Mar - Thu, 16 Apr

06:05 - 11:20SYD-SAT

21h 15m2 stops

14:39 - 09:45SAT-SYD

28h 06m3 stops

$2,953Multiple Airlines

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Sun, 15 Mar - Sun, 12 Apr

06:00 - 17:12SYD-SAT

28h 12m2 stops

15:23 - 20:15SAT-SYD

35h 52m3 stops

$2,966Multiple Airlines

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Sun, 23 Nov - Sun, 30 Nov

Fly from

Route

Depart

Return

Price

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 23/11

09:55-19:37

2 stops26h 42m

San Antonio

Sun 30/11

14:14-08:45

2 stops25h 31m

$1,790

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 15/3

09:40-14:40

1 stop21h 00m

San Antonio

Sun 12/4

16:10-06:35

1 stop23h 25m

$1,846

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 15/3

11:20-16:25

2 stops21h 05m

San Antonio

Wed 15/4

15:15-07:05

1 stop24h 50m

$1,994

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 19/3

11:20-14:28

1 stop19h 08m

San Antonio

Thu 16/4

15:15-09:20

2 stops27h 05m

$2,034

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 15/3

09:40-00:45

2 stops31h 05m

San Antonio

Wed 15/4

05:30-06:35

2 stops34h 05m

$2,045

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 19/3

11:50-17:45

1 stop21h 55m

San Antonio

Thu 16/4

15:25-06:55

1 stop24h 30m

$2,136

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 23/11

11:20-15:44

2 stops21h 24m

San Antonio

Sun 30/11

14:14-09:05

2 stops25h 51m

$2,437

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 19/3

10:25-21:23

2 stops26h 58m

San Antonio

Thu 16/4

10:00-07:20

3 stops30h 20m

$2,701

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 15/3

06:05-11:20

2 stops21h 15m

San Antonio

Sun 12/4

14:39-09:45

3 stops28h 06m

$2,953

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 23/11

06:00-17:12

2 stops28h 12m

San Antonio

Sun 30/11

15:23-20:15

3 stops35h 52m

$2,966

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

San Antonio flights insights and trends

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Prices

Other information

What is the cheapest month to fly to San Antonio?

In general, September is the cheapest month to fly from Australia to San Antonio. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,460. The month of August is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,545.

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

The cheapest day to depart from Australia to San Antonio is on a Monday when prices can be found for as low as $1,650. The most expensive day to fly to San Antonio is Thursday, with ticket prices averaging around $2,505.

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

Our data shows that the cheapest Australia to San Antonio flights are usually those with departure times at midday. Our users have found flights to San Antonio at midday for as low as $1,756. In contrast, the most expensive time of day to depart to San Antonio is in the afternoon when prices are around $2,580.

Cheapest flights to San Antonio

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Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price	$941
Best Round-Trip Price	$1,790
Fastest flight time	20h 17m
Popular in	December

The best one-way flight price to San Antonio from Australia in the last 72 hours is $941 (Sydney Kingsford Smith to San Antonio).

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The best round-trip flight price to San Antonio from Australia in the last 72 hours is $1,790 (Sydney Kingsford Smith to San Antonio).

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The fastest flight to San Antonio from Australia takes 20h 17m (Sydney Kingsford Smith to San Antonio).

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December has the highest demand for flights to San Antonio, with a 7% price increase on average.

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Frequently asked questions about flying to San Antonio

Is there an alternative airport near San Antonio?

San Antonio Airport can be an alternative airport used for travel to San Antonio.

Is there a cheaper alternative to flying into San Antonio?

The cheapest airport near San Antonio is typically San Antonio Airport, with an average price of $462/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Antonio Airport?

Prices for flights to San Antonio Airport are refreshed on a daily basis.

How many operators does momondo search for flights to San Antonio Airport?

As of October 2025, there are 2 operators available to choose from for flights to San Antonio Airport.

How old do you have to be to fly 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 stopovers. It is recommended that you verify with the airline you are booking with for travel to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find flights to San Antonio on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Antonio that suits you.

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

Yes. momondo enables you to select and highlight flights to San Antonio with this policy.

How can momondo help me find flights to San Antonio?

Once all potential San Antonio 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 to San Antonio right now. Can momondo alert me if prices change?

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