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$1,102 Cheap flights to San Antonio

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Antonio departing on 27/5. 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.
ANA Logo
21:45 - 13:03
SYD
-
SAT
31h 18m
2 stops
ANA Logo
07:30 - 10:25
SAT
-
SYD
34h 55m
2 stops
$1,915ANA
Tue, 13 Oct - Wed, 21 Oct
American Airlines Logo
09:10 - 16:56
SYD
-
SAT
22h 46m
2 stops
American Airlines Logo
17:45 - 07:05
SAT
-
SYD
22h 20m
2 stops
$2,055American Airlines
Wed, 13 May - Wed, 20 May
American Airlines Logo
09:10 - 15:54
SYD
-
SAT
21h 44m
2 stops
American Airlines Logo
17:35 - 07:05
SAT
-
SYD
22h 30m
2 stops
$2,069American Airlines
Wed, 3 Jun - Wed, 10 Jun
American Airlines Logo
09:10 - 15:29
SYD
-
SAT
21h 19m
1 stop
American Airlines Logo
15:54 - 07:05
SAT
-
SYD
24h 11m
1 stop
$2,070American Airlines
Mon, 4 May - Wed, 13 May
Delta Logo
09:15 - 17:05
SYD
-
SAT
22h 50m
2 stops
Delta Logo
05:25 - 06:50
SAT
-
SYD
34h 25m
2 stops
$2,080Delta
Wed, 13 May - Wed, 20 May
Qantas Airways Logo
09:10 - 23:29
SYD
-
SAT
29h 19m
1 stop
Qantas Airways Logo
14:48 - 07:05
SAT
-
SYD
25h 17m
1 stop
$2,095Qantas Airways
Wed, 29 Jul - Wed, 5 Aug
Delta Logo
09:15 - 23:48
SYD
-
SAT
29h 33m
1 stop
Delta Logo
07:30 - 06:50
SAT
-
SYD
32h 20m
1 stop
$2,160Delta
Sun, 31 May - Sun, 7 Jun
Japan Airlines Logo
00:10 - 23:24
PER
-
SAT
36h 14m
3 stops
Japan Airlines Logo
07:00 - 06:50
SAT
-
PER
34h 50m
3 stops
$2,549Japan Airlines
Mon, 1 Jun - Tue, 9 Jun
Qantas Airways Logo
23:45 - 23:24
PER
-
SAT
36h 39m
2 stops
Qantas Airways Logo
20:23 - 11:15
SAT
-
PER
49h 52m
2 stops
$2,831Qantas Airways
Sun, 31 May - Sun, 7 Jun
United Airlines Logo
23:45 - 22:02
PER
-
SAT
35h 17m
2 stops
United Airlines Logo
13:45 - 14:40
SAT
-
PER
35h 55m
3 stops
$3,688United Airlines
Thu, 20 Aug - Sun, 23 Aug

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 20 April 2026.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 13/10

21:45-13:03

2 stops31h 18m

San Antonio

Wed 21/10

07:30-10:25

2 stops34h 55m

$1,915

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 13/5

09:10-16:56

2 stops22h 46m

San Antonio

Wed 20/5

17:45-07:05

2 stops22h 20m

$2,055
Fastest return journey

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 3/6

09:10-15:54

2 stops21h 44m

San Antonio

Wed 10/6

17:35-07:05

2 stops22h 30m

$2,069

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 4/5

09:10-15:29

1 stop21h 19m

San Antonio

Wed 13/5

15:54-07:05

1 stop24h 11m

$2,070

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 13/5

09:15-17:05

2 stops22h 50m

San Antonio

Wed 20/5

05:25-06:50

2 stops34h 25m

$2,080

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 29/7

09:10-23:29

1 stop29h 19m

San Antonio

Wed 5/8

14:48-07:05

1 stop25h 17m

$2,095

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 31/5

09:15-23:48

1 stop29h 33m

San Antonio

Sun 7/6

07:30-06:50

1 stop32h 20m

$2,160

PerthSan Antonio

PER - SAT

PERSAT

Perth

Mon 1/6

00:10-23:24

3 stops36h 14m

San Antonio

Tue 9/6

07:00-06:50

3 stops34h 50m

$2,549

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sun 31/5

23:45-23:24

2 stops36h 39m

San Antonio

Sun 7/6

20:23-11:15

2 stops49h 52m

$2,831

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 20/8

23:45-22:02

2 stops35h 17m

San Antonio

Sun 23/8

13:45-14:40

3 stops35h 55m

$3,688

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

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 23h 33m on average, while flying from Melbourne to Austin Bergstrom is 25h 59m 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 SYDNEYSeptember12% cheaperFlying from Sydney to San Antonio costs on average just $1,264 in September
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM SYDNEYMarch104% more expensiveIt costs about $2,902 for flights to San Antonio from Sydney in March
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM SYDNEYJune600% more users visitedMore momondo users searched in flights to San Antonio from Sydney in June than any other month

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

$1,102

Best Round-Trip Price

$1,915

Fastest flight time

31h 59m
The best one-way flight price to San Antonio from Australia in the last 72 hours is $1,102 (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 $1,915 (Sydney Kingsford Smith to San Antonio).
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The fastest flight to San Antonio from Australia takes 31h 59m (Sydney Kingsford Smith to San Antonio).
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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 $1,264. The month of April is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,332.

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 $375/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 April 2026, there are 3 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 $1,531
Perth to San Antonio Flightsfrom $2,029
Melbourne to San Antonio Flightsfrom $2,364