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 Virgin Australia. There may also be other airline options depending on where in Australia you’re flying from.

Qantas Airways Flights to San Antonio

7 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 $1,534, departing from Brisbane. Qantas Airways is the most popular choice on momondo for this route and has been scored 7.5/10 by 905 of our users.

United Airlines Flights to San Antonio

United Airlines flights to San Antonio can start from as low as $1,258 (return, from Brisbane, found in the last 72 hours). Over 46 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 8,934 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 21h 34m on average, while flying from Melbourne to Austin Bergstrom is 20h 44m on average. Austin Bergstrom is the most popular airport in San Antonio.

$761 Cheap Flights to San Antonio in 2025

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Find the cheapest flights from Australia to San Antonio

Round-trip

One-way

Last minute

Cheap return flights

13:15 - 22:32SYD-SAT

25h 17m2 stops

10:45 - 07:30SAT-SYD

28h 45m2 stops

$1,431Delta

Find Deal

Thu, 12 Mar - Mon, 16 Mar

09:40 - 14:40SYD-SAT

21h 00m1 stop

08:00 - 07:30SAT-SYD

31h 30m2 stops

$1,436Delta

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Thu, 12 Mar - Mon, 16 Mar

17:45 - 14:47SYD-SAT

37h 02m1 stop

18:23 - 07:25SAT-SYD

44h 02m2 stops

$1,470

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Sun, 2 Nov - Sat, 8 Nov

17:45 - 14:47SYD-SAT

37h 02m1 stop

15:02 - 07:25SAT-SYD

23h 23m1 stop

$1,488

Find Deal

Sun, 2 Nov - Sat, 8 Nov

07:15 - 18:40PER-SAT

24h 25m2 stops

15:00 - 09:55SAT-PER

28h 55m2 stops

$1,762Qantas Airways

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Mon, 27 Oct - Mon, 3 Nov

08:00 - 22:42PER-SAT

27h 42m2 stops

20:30 - 12:25SAT-PER

50h 55m2 stops

$1,888American Airlines

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Tue, 28 Oct - Sat, 1 Nov

10:20 - 14:53PER-SAT

41h 33m2 stops

20:30 - 12:25SAT-PER

50h 55m2 stops

$2,108American Airlines

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Tue, 28 Oct - Sat, 1 Nov

22:55 - 15:51PER-SAT

30h 56m2 stops

18:41 - 10:10SAT-PER

49h 29m2 stops

$3,065Qantas Airways

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Sat, 20 Dec - Sat, 10 Jan

01:15 - 22:11PER-SAT

33h 56m2 stops

16:24 - 11:20SAT-PER

28h 56m2 stops

$5,362United Airlines

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Sun, 26 Oct - Mon, 3 Nov

09:30 - 19:30SYD-SAT

25h 00m2 stops

16:39 - 08:00SAT-SYD

47h 21m2 stops

$5,645United Airlines

Find Deal

Sun, 28 Sep - Sat, 4 Oct

Fly from

Route

Depart

Return

Price

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 12/3

13:15-22:32

2 stops25h 17m

San Antonio

Mon 16/3

10:45-07:30

2 stops28h 45m

$1,431

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 12/3

09:40-14:40

1 stop21h 00m

San Antonio

Mon 16/3

08:00-07:30

2 stops31h 30m

$1,436

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 2/11

17:45-14:47

1 stop37h 02m

San Antonio

Sat 8/11

18:23-07:25

2 stops44h 02m

$1,470

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 2/11

17:45-14:47

1 stop37h 02m

San Antonio

Sat 8/11

15:02-07:25

1 stop23h 23m

$1,488

PerthSan Antonio

PER - SAT

PERSAT

Perth

Mon 27/10

07:15-18:40

2 stops24h 25m

San Antonio

Mon 3/11

15:00-09:55

2 stops28h 55m

$1,762

PerthSan Antonio

PER - SAT

PERSAT

Perth

Tue 28/10

08:00-22:42

2 stops27h 42m

San Antonio

Sat 1/11

20:30-12:25

2 stops50h 55m

$1,888

PerthSan Antonio

PER - SAT

PERSAT

Perth

Tue 28/10

10:20-14:53

2 stops41h 33m

San Antonio

Sat 1/11

20:30-12:25

2 stops50h 55m

$2,108

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sat 20/12

22:55-15:51

2 stops30h 56m

San Antonio

Sat 10/1

18:41-10:10

2 stops49h 29m

$3,065

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sun 26/10

01:15-22:11

2 stops33h 56m

San Antonio

Mon 3/11

16:24-11:20

2 stops28h 56m

$5,362

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 28/9

09:30-19:30

2 stops25h 00m

San Antonio

Sat 4/10

16:39-08:00

2 stops47h 21m

$5,645

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 $1,484. The month of November is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,573.

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 $1,625. The most expensive day to fly to San Antonio is Thursday, with ticket prices averaging around $2,466.

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 $1,728. In contrast, the most expensive time of day to depart to San Antonio is in the afternoon when prices are around $2,540.

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	$761
Best Round-Trip Price	$1,431
Fastest flight time	20h 26m
Popular in	December

The best one-way flight price to San Antonio from Australia in the last 72 hours is $761 (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 $1,431 (Sydney Kingsford Smith to San Antonio).

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The fastest flight to San Antonio from Australia takes 20h 26m (Sydney Kingsford Smith to San Antonio).

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December has the highest demand for flights to San Antonio, with a 6% 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 $455/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 September 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.