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 $1,557, departing from Brisbane. Qantas Airways is the most popular choice on momondo for this route and has been scored 7.5/10 by 934 of our users.

United Airlines Flights to San Antonio

United Airlines flights to San Antonio can start from as low as $1,497 (return, from Brisbane, found in the last 72 hours). Over 47 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 9,017 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 59m on average, while flying from Melbourne to Austin Bergstrom is 20h 51m on average. Austin Bergstrom is the most popular airport in San Antonio.

$1,367 Cheap Flights to San Antonio in 2025/26

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Find the cheapest flights from Australia to San Antonio

Round-trip

One-way

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11:20 - 16:55SYD-SAT

22h 35m2 stops

16:45 - 08:35SAT-SYD

47h 50m2 stops

$2,043Air Canada

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Tue, 3 Mar - Tue, 10 Mar

11:20 - 14:51SYD-SAT

20h 31m1 stop

15:15 - 09:00SAT-SYD

25h 45m1 stop

$2,052American Airlines

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Tue, 3 Mar - Tue, 10 Mar

11:20 - 14:51SYD-SAT

20h 31m1 stop

18:50 - 09:00SAT-SYD

22h 10m2 stops

$2,060American Airlines

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Tue, 3 Mar - Tue, 10 Mar

09:40 - 14:40SYD-SAT

21h 00m1 stop

16:10 - 07:25SAT-SYD

23h 15m1 stop

$2,232Delta

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Thu, 12 Mar - Mon, 16 Mar

09:40 - 17:23SYD-SAT

23h 43m2 stops

16:10 - 07:25SAT-SYD

23h 15m1 stop

$2,234Delta

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Thu, 12 Mar - Mon, 16 Mar

13:15 - 00:14SYD-SAT

26h 59m2 stops

16:10 - 07:25SAT-SYD

23h 15m1 stop

$2,236Delta

Find Deal

Thu, 12 Mar - Mon, 16 Mar

11:20 - 20:56SYD-SAT

26h 36m2 stops

07:00 - 08:35SAT-SYD

33h 35m3 stops

$2,318Air Canada

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Tue, 3 Mar - Tue, 10 Mar

21:40 - 17:45SYD-SAT

37h 05m2 stops

18:46 - 19:45SAT-SYD

31h 59m2 stops

$2,625Alaska Airlines

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Wed, 7 Jan - Wed, 14 Jan

11:20 - 19:41SYD-SAT

25h 21m2 stops

11:43 - 09:05SAT-SYD

28h 22m2 stops

$2,629United Airlines

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Thu, 8 Jan - Thu, 15 Jan

21:40 - 17:45SYD-SAT

37h 05m2 stops

18:46 - 19:45SAT-SYD

31h 59m2 stops

$2,657Alaska Airlines

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Fri, 9 Jan - Wed, 14 Jan

Fly from

Route

Depart

Return

Price

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 3/3

11:20-16:55

2 stops22h 35m

San Antonio

Tue 10/3

16:45-08:35

2 stops47h 50m

$2,043

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 3/3

11:20-14:51

1 stop20h 31m

San Antonio

Tue 10/3

15:15-09:00

1 stop25h 45m

$2,052

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 3/3

11:20-14:51

1 stop20h 31m

San Antonio

Tue 10/3

18:50-09:00

2 stops22h 10m

$2,060

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 12/3

09:40-14:40

1 stop21h 00m

San Antonio

Mon 16/3

16:10-07:25

1 stop23h 15m

$2,232

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 12/3

09:40-17:23

2 stops23h 43m

San Antonio

Mon 16/3

16:10-07:25

1 stop23h 15m

$2,234

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 12/3

13:15-00:14

2 stops26h 59m

San Antonio

Mon 16/3

16:10-07:25

1 stop23h 15m

$2,236

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 3/3

11:20-20:56

2 stops26h 36m

San Antonio

Tue 10/3

07:00-08:35

3 stops33h 35m

$2,318

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 7/1

21:40-17:45

2 stops37h 05m

San Antonio

Wed 14/1

18:46-19:45

2 stops31h 59m

$2,625

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 8/1

11:20-19:41

2 stops25h 21m

San Antonio

Thu 15/1

11:43-09:05

2 stops28h 22m

$2,629

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Fri 9/1

21:40-17:45

2 stops37h 05m

San Antonio

Wed 14/1

18:46-19:45

2 stops31h 59m

$2,657

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, April 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 $1,457. The month of September is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,459.

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 $1,649. The most expensive day to fly to San Antonio is Thursday, with ticket prices averaging around $2,504.

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 $1,754. In contrast, the most expensive time of day to depart to San Antonio is in the afternoon when prices are around $2,578.

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	$1,367
Best Round-Trip Price	$2,043
Fastest flight time	33h 30m
Popular in	February

The best one-way flight price to San Antonio from Australia in the last 72 hours is $1,367 (Perth to San Antonio).

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The best round-trip flight price to San Antonio from Australia in the last 72 hours is $2,043 (Sydney Kingsford Smith to San Antonio).

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The fastest flight to San Antonio from Australia takes 33h 30m (Melbourne Avalon to San Antonio).

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February has the highest demand for flights to San Antonio, with a 0% 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 November 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.