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$1,394 Cheap flights to San Antonio

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to San Antonio departing on 14/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to San Antonio

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
09:10 - 16:41
SYD
-
SAT
22h 31m
2 stops
American Airlines Logo
19:10 - 07:30
SAT
-
SYD
21h 20m
2 stops
$1,394American Airlines
Tue, 14 Jul - Sun, 2 Aug
American Airlines Logo
12:00 - 19:35
SYD
-
SAT
22h 35m
1 stop
American Airlines Logo
15:01 - 07:30
SAT
-
SYD
25h 29m
1 stop
$1,406American Airlines
Wed, 15 Jul - Tue, 4 Aug
United Airlines Logo
09:30 - 15:33
SYD
-
SAT
21h 03m
2 stops
United Airlines Logo
16:35 - 07:00
SAT
-
SYD
23h 25m
2 stops
$1,410United Airlines
Mon, 13 Jul - Sun, 2 Aug
United Airlines Logo
09:30 - 15:33
SYD
-
SAT
21h 03m
2 stops
United Airlines Logo
16:16 - 07:00
SAT
-
SYD
23h 44m
2 stops
$1,461United Airlines
Sat, 11 Jul - Wed, 5 Aug
Delta Logo
09:15 - 17:07
SYD
-
SAT
22h 52m
2 stops
Delta Logo
07:30 - 06:50
SAT
-
SYD
32h 20m
1 stop
$1,462Delta
Fri, 8 May - Mon, 18 May
Delta Logo
09:15 - 17:07
SYD
-
SAT
22h 52m
2 stops
Delta Logo
05:20 - 06:50
SAT
-
SYD
34h 30m
2 stops
$1,637Delta
Fri, 15 May - Fri, 22 May
Multiple Airlines Logo
06:15 - 08:23
PER
-
SAT
39h 08m
2 stops
Multiple Airlines Logo
05:00 - 11:15
SAT
-
PER
41h 15m
2 stops
$2,241Multiple Airlines
Sat, 25 Apr - Sat, 2 May
Multiple Airlines Logo
06:15 - 20:58
PER
-
SAT
27h 43m
2 stops
Multiple Airlines Logo
16:28 - 11:15
SAT
-
PER
29h 47m
2 stops
$2,255Multiple Airlines
Sat, 25 Apr - Sat, 2 May
Japan Airlines Logo
00:10 - 23:29
PER
-
SAT
36h 19m
3 stops
Japan Airlines Logo
08:30 - 06:50
SAT
-
PER
33h 20m
3 stops
$2,611Japan Airlines
Fri, 24 Apr - Sat, 2 May
Japan Airlines Logo
00:10 - 23:29
PER
-
SAT
36h 19m
3 stops
Japan Airlines Logo
08:30 - 06:50
SAT
-
PER
33h 20m
3 stops
$2,626Japan Airlines
Fri, 24 Apr - Sat, 2 May

momondo Fare Finder

 
Locate flights to San Antonio that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 15 February 2026.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 14/7

09:10-16:41

2 stops22h 31m

San Antonio

Sun 2/8

19:10-07:30

2 stops21h 20m

$1,394

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 15/7

12:00-19:35

1 stop22h 35m

San Antonio

Tue 4/8

15:01-07:30

1 stop25h 29m

$1,406

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 13/7

09:30-15:33

2 stops21h 03m

San Antonio

Sun 2/8

16:35-07:00

2 stops23h 25m

$1,410

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sat 11/7

09:30-15:33

2 stops21h 03m

San Antonio

Wed 5/8

16:16-07:00

2 stops23h 44m

$1,461

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Fri 8/5

09:15-17:07

2 stops22h 52m

San Antonio

Mon 18/5

07:30-06:50

1 stop32h 20m

$1,462

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Fri 15/5

09:15-17:07

2 stops22h 52m

San Antonio

Fri 22/5

05:20-06:50

2 stops34h 30m

$1,637

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sat 25/4

06:15-08:23

2 stops39h 08m

San Antonio

Sat 2/5

05:00-11:15

2 stops41h 15m

$2,241

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sat 25/4

06:15-20:58

2 stops27h 43m

San Antonio

Sat 2/5

16:28-11:15

2 stops29h 47m

$2,255

PerthSan Antonio

PER - SAT

PERSAT

Perth

Fri 24/4

00:10-23:29

3 stops36h 19m

San Antonio

Sat 2/5

08:30-06:50

3 stops33h 20m

$2,611

PerthSan Antonio

PER - SAT

PERSAT

Perth

Fri 24/4

00:10-23:29

3 stops36h 19m

San Antonio

Sat 2/5

08:30-06:50

3 stops33h 20m

$2,626

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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San Antonio flights insights and trends

Explore insights for your San Antonio flight to craft the best travel plan

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 46m on average, while flying from Melbourne to Austin Bergstrom is 21h 13m on average. Austin Bergstrom is the most popular airport in San Antonio.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport
Find flights from Sydney to Austin
CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM SYDNEYSeptember4% cheaperFlying from Sydney to San Antonio costs on average just $1,281 in September
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM SYDNEYDecember79% more expensiveIt costs about $2,389 for flights to San Antonio from Sydney in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM SYDNEYMay1,300% more users visitedMore momondo users searched in flights to San Antonio from Sydney in May than any other month

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best Round-Trip Price

$1,394

Fastest flight time

22h 31m

Popular in

December
The best round-trip flight price to San Antonio from Australia in the last 72 hours is $1,394 (Sydney Kingsford Smith to San Antonio).
Search Deals
The fastest flight to San Antonio from Australia takes 22h 31m (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

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 $1,281. The month of April is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,349.

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 $660/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 February 2026, 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.

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Popular Flights to San Antonio

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to San Antonio Flightsfrom $998
Perth to San Antonio Flightsfrom $1,532
Melbourne to San Antonio Flightsfrom $2,555