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Cheap flights from San Antonio to Australia from $774

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
4 May — 11 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Antonio to Australia

Enter your travel dates to find the best prices.

Cheapest flights from San Antonio to Australia
Explore the most affordable flight options available from San Antonio to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 April 2026.

Sat 16/519:12
SAT
-
MEL
2 stops33h 08m
Multiple Airlines
Sat 23/507:30
MEL
-
SAT
2 stops27h 10m
Multiple Airlines
Deal found 1/4$1,605
Sun 17/513:32
SAT
-
BNE
2 stops24h 28m
American Airlines
Sun 24/520:35
BNE
-
SAT
2 stops27h 15m
American Airlines
Deal found 2/4$1,948
Wed 6/515:54
SAT
-
BNE
1 stop22h 06m
American Airlines
Wed 20/520:35
BNE
-
SAT
2 stops26h 37m
American Airlines
Deal found 3/4$1,950
Mon 27/416:28
SAT
-
BNE
2 stops21h 32m
American Airlines
Mon 4/514:25
BNE
-
SAT
2 stops24h 04m
American Airlines
Deal found 30/3$1,977
Mon 4/520:31
SAT
-
BNE
2 stops23h 59m
American Airlines
Fri 22/520:35
BNE
-
SAT
2 stops26h 57m
American Airlines
Deal found 30/3$2,069
Mon 25/516:18
SAT
-
SYD
2 stops23h 37m
United Airlines
Sun 7/609:30
SYD
-
SAT
2 stops23h 14m
United Airlines
Deal found 3/4$2,132
Wed 29/415:54
SAT
-
SYD
1 stop24h 11m
American Airlines
Tue 12/512:00
SYD
-
SAT
1 stop21h 42m
American Airlines
Deal found 31/3$2,147
Wed 29/415:33
SAT
-
MEL
1 stop25h 17m
Delta
Wed 6/510:00
MEL
-
SAT
1 stop28h 36m
Delta
Deal found 2/4$2,151
Wed 29/415:30
SAT
-
SYD
1 stop24h 25m
United Airlines
Tue 12/510:20
SYD
-
SAT
2 stops27h 34m
United Airlines
Deal found 1/4$2,151
Mon 13/415:33
SAT
-
MEL
1 stop25h 17m
Delta
Wed 6/510:00
MEL
-
SAT
1 stop28h 36m
Delta
Deal found 30/3$2,153
Mon 13/418:02
SAT
-
MEL
2 stops22h 48m
Delta
Fri 8/510:00
MEL
-
SAT
2 stops22h 05m
Delta
Deal found 30/3$2,160
Mon 25/516:47
SAT
-
SYD
1 stop23h 03m
Delta
Sun 7/609:15
SYD
-
SAT
2 stops27h 17m
Delta
Deal found 3/4$2,160

Find flight deals from San Antonio to Australia

Keep the following information in mind while searching for San Antonio to Australia flight deals. Data was last updated 4 April 2026.

Round-trip from

$1,605

One-way from

$774

Popular in

December

Cheapest in

October

Average price

$2,195
16/5-23/5
  • 16/5-23/5
  • 4 total stops
  • 60h 18m total
  • San Antonio to Australia
Search Deals
28/5
  • 28/5
  • 3 total stops
  • 47h 51m total
  • San Antonio to Australia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($504 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($124 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Antonio to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 4 April 2026.
Use the filters below to find and compare flights from San Antonio to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Sun 17/5

15:59-05:00

1 stop22h 01m

Brisbane

Sun 24/5

20:35-08:50

2 stops27h 15m

$1,948

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Tue 19/5

13:32-05:00

2 stops24h 28m

Brisbane

Tue 26/5

20:35-08:32

2 stops26h 57m

$1,950

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Wed 6/5

15:11-05:00

2 stops22h 49m

Brisbane

Wed 20/5

20:35-08:12

2 stops26h 37m

$1,950

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Mon 4/5

20:31-11:30

2 stops23h 59m

Brisbane

Fri 22/5

20:35-08:32

2 stops26h 57m

$2,069

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Wed 29/4

15:33-07:50

1 stop25h 17m

Melbourne

Wed 6/5

10:00-23:36

1 stop28h 36m

$2,151

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 29/4

15:30-06:55

1 stop24h 25m

Sydney Kingsford Smith

Tue 12/5

10:20-22:54

2 stops27h 34m

$2,153

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 28/4

14:14-06:55

2 stops25h 41m

Sydney Kingsford Smith

Tue 5/5

10:20-14:31

1 stop19h 11m

$2,153

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 29/4

16:28-07:30

2 stops24h 02m

Sydney Kingsford Smith

Tue 12/5

09:10-15:38

2 stops21h 28m

$2,154

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 25/5

16:47-06:50

1 stop23h 03m

Sydney Kingsford Smith

Sun 7/6

09:15-21:32

2 stops27h 17m

$2,160

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Fri 26/6

16:44-07:50

1 stop24h 06m

Melbourne

Sun 12/7

10:00-14:53

1 stop19h 53m

$2,180

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from San Antonio to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from San Antonio with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Australia

What is the cheapest month to book a flight from San Antonio to Australia?

Currently, May is the cheapest month in which you can book a flight from San Antonio to Australia (average of $364). Flying from San Antonio to Australia in June is currently the most expensive (average of $1,389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Australia?

    Located just 12.2 km from the city centre, San Antonio (SAT) is the airport most travellers will use when flying to Australia from San Antonio.

  • How long is the flight from San Antonio to Australia?

    There are many flights that can get you from San Antonio to Australia in 22h 01m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. There are 13121 km between San Antonio and Australia. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from San Antonio to Australia?

    When deciding which route to take from San Antonio to Australia, consider San Antonio - Sydney Kingsford Smith, San Antonio - Melbourne or San Antonio - Brisbane, as they are the most popular.

  • Can I find deals for flights from San Antonio to Australia that include hotel bookings?

    Yes. In addition to deals on San Antonio to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Australia.

  • Can I find deals for business class flights from San Antonio to Australia?

    Yes. Cheapflights offers flight deals from San Antonio to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Australia?

    Currently, May is the cheapest month in which you can book a flight from San Antonio to Australia (average of $364). Flying from San Antonio to Australia in June is currently the most expensive (average of $1,389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Cheapflights makes it easy to find San Antonio to Australia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Australia?

Millions of users choose and trust Cheapflights to book the best flight deals from San Antonio to Australia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Antonio to Australia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Antonio to Australia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Antonio to Australia become cheaper?

Yes, Cheapflights offers price alerts on San Antonio to Australia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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