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Cheap flights from San Antonio to Australia from $895

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
17 Jun — 24 Jun1
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 18 May 2026.

Mon 14/914:45
SAT
-
SYD
1 stop25h 10m
American Airlines
Mon 5/1010:10
SYD
-
SAT
1 stop20h 30m
American Airlines
Deal found 16/5$1,828
Wed 23/909:24
SAT
-
SYD
1 stop30h 31m
Air New Zealand
Mon 19/1011:20
SYD
-
SAT
1 stop22h 16m
Air New Zealand
Deal found 18/5$1,832
Mon 14/913:45
SAT
-
SYD
2 stops26h 10m
United Airlines
Mon 5/1010:30
SYD
-
SAT
2 stops24h 58m
United Airlines
Deal found 18/5$1,833
Wed 23/915:44
SAT
-
SYD
2 stops24h 21m
American Airlines
Mon 19/1018:50
SYD
-
SAT
2 stops20h 07m
American Airlines
Deal found 16/5$1,835
Mon 1/615:05
SAT
-
SYD
1 stop25h 00m
American Airlines
Mon 8/609:10
SYD
-
SAT
1 stop20h 29m
American Airlines
Deal found 16/5$1,861
Mon 1/605:30
SAT
-
SYD
2 stops34h 30m
United Airlines
Mon 8/610:20
SYD
-
SAT
1 stop29h 09m
United Airlines
Deal found 16/5$1,867
Mon 29/617:57
SAT
-
SYD
2 stops22h 03m
United Airlines
Mon 6/709:30
SYD
-
SAT
2 stops22h 25m
United Airlines
Deal found 14/5$1,872
Tue 30/609:37
SAT
-
SYD
3 stops30h 23m
United Airlines
Tue 7/709:30
SYD
-
SAT
2 stops21h 09m
United Airlines
Deal found 16/5$1,874
Thu 1/1015:04
SAT
-
SYD
1 stop25h 01m
American Airlines
Mon 12/1018:50
SYD
-
SAT
1 stop19h 52m
American Airlines
Deal found 13/5$1,898
Wed 4/1113:35
SAT
-
SYD
2 stops26h 40m
United Airlines
Fri 11/1212:10
SYD
-
SAT
1 stop19h 01m
United Airlines
Deal found 18/5$1,903
Mon 28/1216:10
SAT
-
MEL
1 stop24h 40m
Delta
Sat 9/112:00
MEL
-
SAT
1 stop19h 39m
Delta
Deal found 17/5$2,113
Mon 17/814:15
SAT
-
MEL
2 stops29h 40m
Air New Zealand
Mon 24/808:35
MEL
-
SAT
2 stops28h 24m
Air New Zealand
Deal found 17/5$2,195

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 18 May 2026.

Round-trip from

$1,828

One-way from

$895

Popular in

December

Cheapest in

January

Average price

$1,829
American Airlines
  • American Airlines
  • 14/9-5/10
  • 2 total stops
  • 45h 40m total
  • San Antonio to Australia
Search Deals
20/8
  • 20/8
  • 2 total stops
  • 44h 39m total
  • San Antonio to Australia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($134 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 18 May 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 AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 23/9

13:45-06:55

2 stops26h 10m

Sydney Kingsford Smith

Mon 19/10

11:20-21:58

1 stop26h 38m

$1,833

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 14/9

13:45-06:55

2 stops26h 10m

Sydney Kingsford Smith

Mon 5/10

11:20-21:58

1 stop26h 38m

$1,833

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 5/11

15:00-09:15

1 stop25h 15m

Sydney Kingsford Smith

Tue 1/12

11:50-17:33

1 stop22h 43m

$1,903
Fastest return journey

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 4/11

14:15-07:00

1 stop23h 45m

Sydney Kingsford Smith

Fri 11/12

11:50-13:03

1 stop18h 13m

$1,903

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 24/10

17:00-07:00

2 stops46h 00m

Sydney Kingsford Smith

Sat 7/11

12:10-16:30

2 stops21h 20m

$1,931

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Mon 17/8

14:15-10:55

2 stops29h 40m

Melbourne

Mon 24/8

08:35-21:59

2 stops28h 24m

$2,195

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Mon 27/7

15:09-06:45

1 stop24h 36m

Melbourne

Sat 8/8

09:45-14:09

1 stop19h 24m

$2,228

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 29/8

16:40-05:00

1 stop21h 20m

Melbourne

Mon 7/9

09:45-16:33

2 stops21h 48m

$2,233

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Sat 4/7

15:09-05:00

1 stop22h 51m

Brisbane

Mon 13/7

07:00-17:49

2 stops25h 49m

$2,261

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Thu 24/9

12:39-17:30

2 stops37h 51m

Brisbane

Tue 22/12

15:10-14:10

2 stops39h 00m

$2,289

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 24 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, June is the cheapest month in which you can book a flight from San Antonio to Australia (average of $625). Flying from San Antonio to Australia in April is currently the most expensive (average of $2,118). 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 24h 36m. Fly via United Airlines, Air New Zealand, or American Airlines to get the fastest option. There are 14182 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 - Brisbane or San Antonio - Melbourne, 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, June is the cheapest month in which you can book a flight from San Antonio to Australia (average of $625). Flying from San Antonio to Australia in April is currently the most expensive (average of $2,118). 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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