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Cheap flights from San Antonio to Australia from $745

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
5 Apr — 12 Apr1
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 6 March 2026.

Wed 8/416:10
SAT
-
MEL
1 stop24h 40m
Delta
Sun 19/410:00
MEL
-
SAT
1 stop28h 36m
Delta
Deal found 2/3$1,591
Mon 9/316:10
SAT
-
BNE
1 stop24h 10m
Delta
Fri 13/309:40
BNE
-
SAT
1 stop19h 58m
Delta
Deal found 3/3$1,630
Sun 19/411:46
SAT
-
SYD
2 stops31h 54m
Air New Zealand
Sun 26/411:55
SYD
-
SAT
2 stops42h 51m
Air New Zealand
Deal found 4/3$1,657
Wed 16/907:35
SAT
-
SYD
2 stops36h 05m
Air New Zealand
Mon 5/1009:55
SYD
-
SAT
2 stops40h 53m
Air New Zealand
Deal found 6/3$1,665
Mon 14/907:23
SAT
-
SYD
2 stops34h 22m
Air New Zealand
Mon 5/1011:55
SYD
-
SAT
2 stops38h 53m
Air New Zealand
Deal found 4/3$1,674
Mon 31/814:15
SAT
-
SYD
2 stops29h 25m
Air New Zealand
Mon 7/919:20
SYD
-
SAT
2 stops41h 42m
Air New Zealand
Deal found 1/3$1,679
Wed 29/411:46
SAT
-
SYD
2 stops29h 59m
Air New Zealand
Tue 12/519:20
SYD
-
SAT
2 stops59h 19m
Air New Zealand
Deal found 5/3$1,682
Wed 16/907:23
SAT
-
SYD
2 stops34h 22m
Air New Zealand
Mon 19/1011:55
SYD
-
SAT
2 stops38h 53m
Air New Zealand
Deal found 4/3$1,716
Tue 15/907:23
SAT
-
SYD
2 stops34h 22m
Air New Zealand
Tue 20/1009:55
SYD
-
SAT
2 stops40h 53m
Air New Zealand
Deal found 2/3$1,718
Sat 29/814:15
SAT
-
MEL
2 stops29h 40m
Air New Zealand
Mon 7/915:00
MEL
-
SAT
2 stops46h 02m
Air New Zealand
Deal found 4/3$1,745
Sat 31/1009:00
SAT
-
BNE
2 stops33h 55m
Air New Zealand
Sat 14/1108:20
BNE
-
SAT
2 stops31h 51m
Air New Zealand
Deal found 1/3$1,783
Fri 3/715:01
SAT
-
BNE
1 stop22h 59m
American Airlines
Sat 1/820:35
BNE
-
SAT
2 stops27h 01m
American Airlines
Deal found 4/3$1,792

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 6 March 2026.

Round-trip from

$1,591

One-way from

$745

Popular in

December

Cheapest in

March

Average price

$1,630
Delta
  • Delta
  • 8/4-19/4
  • 2 total stops
  • 53h 16m total
  • San Antonio to Australia
Search Deals
1/4
  • 1/4
  • 3 total stops
  • 58h 28m total
  • San Antonio to Australia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($703 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($146 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 6 March 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

Fri 3/7

15:01-05:00

1 stop22h 59m

Brisbane

Sat 1/8

20:35-14:31

1 stop32h 56m

$1,799

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 1/4

14:14-08:00

2 stops25h 46m

Sydney Kingsford Smith

Wed 8/4

09:30-15:46

2 stops21h 16m

$1,854

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 1/4

14:58-08:05

2 stops25h 07m

Sydney Kingsford Smith

Wed 8/4

09:10-15:24

1 stop21h 14m

$1,913

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 17/3

05:00-08:05

2 stops35h 05m

Sydney Kingsford Smith

Sat 28/3

11:50-08:42

1 stop36h 52m

$1,914

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 19/4

14:14-07:00

2 stops25h 46m

Sydney Kingsford Smith

Sun 26/4

10:20-14:58

1 stop19h 38m

$1,918

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 20/3

16:10-07:30

1 stop23h 20m

Sydney Kingsford Smith

Fri 27/3

09:40-14:38

1 stop20h 58m

$1,962

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 20/3

05:00-06:20

3 stops33h 20m

Sydney Kingsford Smith

Fri 27/3

11:50-15:33

1 stop19h 43m

$1,962

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 20/3

18:52-07:00

1 stop20h 08m

Sydney Kingsford Smith

Sat 28/3

11:50-08:42

1 stop36h 52m

$1,971

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 26/6

13:39-06:55

2 stops26h 16m

Sydney Kingsford Smith

Mon 6/7

10:20-00:29

1 stop29h 09m

$1,975

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 26/6

16:10-06:50

1 stop23h 40m

Sydney Kingsford Smith

Mon 6/7

09:15-23:18

1 stop29h 03m

$1,984

Flights are sorted by cheapest return flights first.

Deals found on 2/3

Showing 1-10 of 30 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 $415). Flying from San Antonio to Australia in June is currently the most expensive (average of $1,364). 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 59m. Fly via American Airlines, Air New Zealand, 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 $415). Flying from San Antonio to Australia in June is currently the most expensive (average of $1,364). 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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