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$893 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 11/6. 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
12:00 - 17:35
SYD
-
SAT
20h 35m
1 stop
American Airlines Logo
06:15 - 07:05
SAT
-
SYD
33h 50m
1 stop
$1,415American Airlines
Mon, 10 Aug - Sun, 23 Aug
Delta Logo
09:15 - 14:53
SYD
-
SAT
20h 38m
1 stop
Delta Logo
06:23 - 06:50
SAT
-
SYD
33h 27m
2 stops
$1,445Delta
Mon, 10 Aug - Sun, 23 Aug
American Airlines Logo
12:00 - 15:55
SYD
-
SAT
18h 55m
1 stop
American Airlines Logo
07:00 - 07:05
SAT
-
SYD
33h 05m
1 stop
$1,486American Airlines
Sun, 19 Jul - Sun, 26 Jul
American Airlines Logo
09:10 - 15:55
SYD
-
SAT
21h 45m
2 stops
American Airlines Logo
07:00 - 07:05
SAT
-
SYD
33h 05m
1 stop
$1,490American Airlines
Sun, 19 Jul - Sun, 26 Jul
Multiple Airlines Logo
10:30 - 23:29
PER
-
SAT
25h 59m
2 stops
Multiple Airlines Logo
15:09 - 13:35
SAT
-
PER
33h 26m
2 stops
$2,179Multiple Airlines
Sat, 18 Jul - Sat, 25 Jul
Qantas Airways Logo
23:55 - 23:29
PER
-
SAT
36h 34m
2 stops
Qantas Airways Logo
20:23 - 17:00
SAT
-
PER
31h 37m
2 stops
$2,508Qantas Airways
Wed, 15 Jul - Wed, 22 Jul
Qantas Airways Logo
10:30 - 23:37
PER
-
SAT
26h 07m
2 stops
Qantas Airways Logo
20:23 - 15:25
SAT
-
PER
30h 02m
2 stops
$2,834Qantas Airways
Sat, 4 Jul - Sat, 11 Jul
Qatar Airways Logo
22:45 - 19:41
PER
-
SAT
33h 56m
2 stops
Qatar Airways Logo
17:52 - 18:45
SAT
-
PER
34h 53m
2 stops
$2,997Qatar Airways
Thu, 29 Oct - Sun, 1 Nov
Multiple Airlines Logo
06:05 - 23:37
PER
-
SAT
30h 32m
2 stops
Multiple Airlines Logo
16:25 - 11:15
SAT
-
PER
29h 50m
3 stops
$3,113Multiple Airlines
Sat, 4 Jul - Sat, 11 Jul
Japan Airlines Logo
00:10 - 23:29
PER
-
SAT
36h 19m
3 stops
Japan Airlines Logo
07:00 - 06:50
SAT
-
PER
34h 50m
3 stops
$3,156Japan Airlines
Fri, 17 Jul - Sat, 25 Jul

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 4 June 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

Mon 10/8

12:00-17:35

1 stop20h 35m

San Antonio

Sun 23/8

06:15-07:05

1 stop33h 50m

$1,415

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 10/8

09:15-14:53

1 stop20h 38m

San Antonio

Sun 23/8

06:23-06:50

2 stops33h 27m

$1,445
Fastest return journey

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 19/7

12:00-15:55

1 stop18h 55m

San Antonio

Sun 26/7

07:00-07:05

1 stop33h 05m

$1,486

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 19/7

09:10-15:55

2 stops21h 45m

San Antonio

Sun 26/7

07:00-07:05

1 stop33h 05m

$1,490

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sat 18/7

10:30-23:29

2 stops25h 59m

San Antonio

Sat 25/7

15:09-13:35

2 stops33h 26m

$2,179

PerthSan Antonio

PER - SAT

PERSAT

Perth

Wed 15/7

23:55-23:29

2 stops36h 34m

San Antonio

Wed 22/7

20:23-17:00

2 stops31h 37m

$2,508

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sat 4/7

10:30-23:37

2 stops26h 07m

San Antonio

Sat 11/7

20:23-15:25

2 stops30h 02m

$2,834

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 29/10

22:45-19:41

2 stops33h 56m

San Antonio

Sun 1/11

17:52-18:45

2 stops34h 53m

$2,997

PerthSan Antonio

PER - SAT

PERSAT

Perth

Sat 4/7

06:05-23:37

2 stops30h 32m

San Antonio

Sat 11/7

16:25-11:15

3 stops29h 50m

$3,113

PerthSan Antonio

PER - SAT

PERSAT

Perth

Fri 17/7

00:10-23:29

3 stops36h 19m

San Antonio

Sat 25/7

07:00-06:50

3 stops34h 50m

$3,156

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 19h 21m on average, while flying from Melbourne to Austin Bergstrom is 22h 04m 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 $1,266 in September
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM SYDNEYMarch103% more expensiveIt costs about $2,908 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

$893

Best Round-Trip Price

$1,415

Fastest flight time

27h 49m
The best one-way flight price to San Antonio from Australia in the last 5 days is $893 (Sydney Kingsford Smith to San Antonio).
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The best round-trip flight price to San Antonio from Australia in the last 5 days is $1,415 (Sydney Kingsford Smith to San Antonio).
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The fastest flight to San Antonio from Australia takes 27h 49m (Perth 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 $1,266. The month of April is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,335.

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 $204/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 June 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 $1,085
Perth to San Antonio Flightsfrom $2,004
Melbourne to San Antonio Flightsfrom $4,188