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$687 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 15/10. 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

Delta Logo
10:25 - 23:46SYD-SAT
29h 21m1 stop
Delta Logo
16:51 - 08:30SAT-SYD
22h 39m1 stop
$1,754Delta
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Thu, 23 Oct - Thu, 6 Nov
Logo
12:15 - 14:00SYD-SAT
41h 45m3 stops
Logo
15:02 - 13:00SAT-SYD
28h 58m2 stops
$2,223
Find Deal
Thu, 23 Oct - Thu, 6 Nov
Logo
12:15 - 14:00SYD-SAT
41h 45m3 stops
Logo
18:23 - 13:00SAT-SYD
25h 37m3 stops
$2,306
Find Deal
Thu, 23 Oct - Thu, 6 Nov
Qatar Airways Logo
22:45 - 00:03PER-SAT
38h 18m2 stops
Qatar Airways Logo
14:31 - 18:40SAT-PER
39h 09m2 stops
$2,731Qatar Airways
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Thu, 2 Oct - Thu, 9 Oct
Qatar Airways Logo
22:45 - 21:25PER-SAT
35h 40m2 stops
Qatar Airways Logo
13:16 - 12:00SAT-PER
33h 44m2 stops
$3,120Qatar Airways
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Tue, 28 Oct - Sat, 1 Nov
Qatar Airways Logo
22:45 - 14:08PER-SAT
52h 23m2 stops
Qatar Airways Logo
14:32 - 12:00SAT-PER
32h 28m2 stops
$3,122Qatar Airways
Find Deal
Tue, 28 Oct - Sat, 1 Nov
American Airlines Logo
08:00 - 22:56PER-SAT
28h 56m2 stops
American Airlines Logo
17:40 - 12:05SAT-PER
28h 25m2 stops
$3,389American Airlines
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Thu, 25 Dec - Fri, 2 Jan
Logo
10:30 - 22:07PER-SAT
24h 37m2 stops
Logo
14:31 - 10:20SAT-PER
30h 49m3 stops
$3,518
Find Deal
Thu, 2 Oct - Thu, 9 Oct
United Airlines Logo
22:30 - 23:59PER-SAT
39h 29m2 stops
United Airlines Logo
05:15 - 14:45SAT-PER
43h 30m3 stops
$3,575United Airlines
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Thu, 25 Dec - Fri, 2 Jan
United Airlines Logo
22:55 - 08:50PER-SAT
47h 55m3 stops
United Airlines Logo
05:15 - 14:45SAT-PER
43h 30m3 stops
$3,580United Airlines
Find Deal
Thu, 25 Dec - Fri, 2 Jan

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 August 2025.
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

Thu 23/10

10:25-23:46

1 stop29h 21m

San Antonio

Thu 6/11

16:51-08:30

1 stop22h 39m

$1,754

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 23/10

12:15-14:00

3 stops41h 45m

San Antonio

Thu 6/11

15:02-13:00

2 stops28h 58m

$2,223

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Thu 23/10

12:15-14:00

3 stops41h 45m

San Antonio

Thu 6/11

18:23-13:00

3 stops25h 37m

$2,306

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 2/10

22:45-00:03

2 stops38h 18m

San Antonio

Thu 9/10

14:31-18:40

2 stops39h 09m

$2,731

PerthSan Antonio

PER - SAT

PERSAT

Perth

Tue 28/10

22:45-21:25

2 stops35h 40m

San Antonio

Sat 1/11

13:16-12:00

2 stops33h 44m

$3,120

PerthSan Antonio

PER - SAT

PERSAT

Perth

Tue 28/10

22:45-14:08

2 stops52h 23m

San Antonio

Sat 1/11

14:32-12:00

2 stops32h 28m

$3,122

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 25/12

08:00-22:56

2 stops28h 56m

San Antonio

Fri 2/1

17:40-12:05

2 stops28h 25m

$3,389

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 2/10

10:30-22:07

2 stops24h 37m

San Antonio

Thu 9/10

14:31-10:20

3 stops30h 49m

$3,518

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 25/12

22:30-23:59

2 stops39h 29m

San Antonio

Fri 2/1

05:15-14:45

3 stops43h 30m

$3,575

PerthSan Antonio

PER - SAT

PERSAT

Perth

Thu 25/12

22:55-08:50

3 stops47h 55m

San Antonio

Fri 2/1

05:15-14:45

3 stops43h 30m

$3,580

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted 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

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 $1,517. The month of November is another great option to travel to San Antonio, with average flight prices from Australia averaging around $1,608.

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 $1,661. The most expensive day to fly to San Antonio is Thursday, with ticket prices averaging around $2,522.

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 $1,767. In contrast, the most expensive time of day to depart to San Antonio is in the afternoon when prices are around $2,597.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

$687

Best Round-Trip Price

$1,754

Fastest flight time

20h 26m

Popular in

December
The best one-way flight price to San Antonio from Australia in the last 72 hours is $687 (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 $1,754 (Sydney Kingsford Smith to San Antonio).
Search Deals
The fastest flight to San Antonio from Australia takes 20h 26m (Sydney Kingsford Smith to San Antonio).
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December has the highest demand for flights to San Antonio, with a 7% 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 $345/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 August 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.

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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
Perth to San Antonio Flightsfrom $2,031
Sydney Kingsford Smith to San Antonio Flightsfrom $1,547
Melbourne to San Antonio Flightsfrom $1,666