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$970 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 30/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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 - 23:59
SYD
-
SAT
29h 49m
1 stop
American Airlines Logo
13:43 - 10:45
SAT
-
SYD
30h 02m
2 stops
$1,379American Airlines
Thu, 13 Aug - Mon, 17 Aug
American Airlines Logo
13:00 - 17:46
SYD
-
SAT
20h 46m
1 stop
American Airlines Logo
07:15 - 09:00
SAT
-
SYD
32h 45m
1 stop
$1,388American Airlines
Mon, 12 Oct - Wed, 2 Dec
American Airlines Logo
10:10 - 10:53
SYD
-
SAT
40h 43m
2 stops
American Airlines Logo
17:52 - 06:55
SAT
-
SYD
20h 03m
1 stop
$1,394American Airlines
Mon, 5 Oct - Tue, 1 Dec
Qantas Airways Logo
18:50 - 23:59
SYD
-
SAT
21h 09m
1 stop
Qantas Airways Logo
15:07 - 06:25
SAT
-
SYD
22h 18m
1 stop
$1,485Qantas Airways
Mon, 5 Oct - Tue, 1 Dec
Qantas Airways Logo
09:05 - 23:59
PER
-
SAT
27h 54m
2 stops
Qantas Airways Logo
14:57 - 13:35
SAT
-
PER
33h 38m
2 stops
$2,187Qantas Airways
Wed, 12 Aug - Tue, 18 Aug
Air New Zealand Logo
19:50 - 13:29
PER
-
SAT
54h 39m
2 stops
Air New Zealand Logo
09:00 - 16:00
SAT
-
PER
42h 00m
2 stops
$2,746Air New Zealand
Wed, 12 Aug - Tue, 18 Aug
Multiple Airlines Logo
19:50 - 19:58
PER
-
SAT
37h 08m
2 stops
Multiple Airlines Logo
13:45 - 16:00
SAT
-
PER
37h 15m
3 stops
$2,915Multiple Airlines
Wed, 12 Aug - Tue, 18 Aug
Japan Airlines Logo
00:10 - 23:59
PER
-
SAT
36h 49m
3 stops
Japan Airlines Logo
06:15 - 06:50
SAT
-
PER
35h 35m
3 stops
$3,066Japan Airlines
Tue, 11 Aug - Tue, 18 Aug
Japan Airlines Logo
00:10 - 23:59
PER
-
SAT
36h 49m
3 stops
Japan Airlines Logo
06:15 - 06:50
SAT
-
PER
35h 35m
3 stops
$3,286Japan Airlines
Tue, 11 Aug - Tue, 18 Aug
Multiple Airlines Logo
20:55 - 21:05
AVV
-
SAT
39h 10m
3 stops
Multiple Airlines Logo
08:50 - 22:50
SAT
-
AVV
47h 00m
3 stops
$5,034Multiple Airlines
Sun, 9 Aug - Thu, 27 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 18 July 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

Thu 13/8

09:10-23:59

1 stop29h 49m

San Antonio

Mon 17/8

13:43-10:45

2 stops30h 02m

$1,379

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 12/10

13:00-17:46

1 stop20h 46m

San Antonio

Wed 2/12

07:15-09:00

1 stop32h 45m

$1,388

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 5/10

10:10-10:53

2 stops40h 43m

San Antonio

Tue 1/12

17:52-06:55

1 stop20h 03m

$1,394
Fastest return journey

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 5/10

18:50-23:59

1 stop21h 09m

San Antonio

Tue 1/12

15:07-06:25

1 stop22h 18m

$1,485

PerthSan Antonio

PER - SAT

PERSAT

Perth

Wed 12/8

09:05-23:59

2 stops27h 54m

San Antonio

Tue 18/8

14:57-13:35

2 stops33h 38m

$2,187

PerthSan Antonio

PER - SAT

PERSAT

Perth

Wed 12/8

19:50-13:29

2 stops54h 39m

San Antonio

Tue 18/8

09:00-16:00

2 stops42h 00m

$2,746

PerthSan Antonio

PER - SAT

PERSAT

Perth

Wed 12/8

19:50-19:58

2 stops37h 08m

San Antonio

Tue 18/8

13:45-16:00

3 stops37h 15m

$2,915

PerthSan Antonio

PER - SAT

PERSAT

Perth

Tue 11/8

00:10-23:59

3 stops36h 49m

San Antonio

Tue 18/8

06:15-06:50

3 stops35h 35m

$3,066

PerthSan Antonio

PER - SAT

PERSAT

Perth

Tue 11/8

00:10-23:59

3 stops36h 49m

San Antonio

Tue 18/8

06:15-06:50

3 stops35h 35m

$3,286

MelbourneSan Antonio

AVV - SAT

AVVSAT

Melbourne Avalon

Sun 9/8

20:55-21:05

3 stops39h 10m

San Antonio

Thu 27/8

08:50-22:50

3 stops47h 00m

$5,034

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

What is the cheapest month to fly to San Antonio?

In general, October 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 $1,199. The month of April is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,368.

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 SYDNEYOctober23% cheaperFlying from Sydney to San Antonio costs on average just $1,199 in October
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM SYDNEYMarch92% more expensiveIt costs about $2,979 for flights to San Antonio from Sydney in March
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM SYDNEYMay1,400% 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 One-Way Price

$970

Best Round-Trip Price

$1,379

Fastest flight time

29h 30m
The best one-way flight price to San Antonio from Australia in the last 5 days is $970 (Sydney Kingsford Smith to San Antonio).
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The best return flight price to San Antonio from Australia in the last 5 days is $1,379 (Sydney Kingsford Smith to San Antonio).
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The fastest flight to San Antonio from Australia takes 29h 30m (Sydney Kingsford Smith to San Antonio).
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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 $310/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 July 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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Find better results for your trip to San Antonio

Popular Flights to San Antonio

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to San Antonio Flightsfrom $1,047
Perth to San Antonio Flightsfrom $1,917
Melbourne to San Antonio Flightsfrom $3,515