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Cheap flights from San Antonio to Australia from $785

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
3 Jun — 10 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 4 May 2026.

Sat 25/720:23
SAT
-
MEL
2 stops31h 57m
Multiple Airlines
Sat 8/807:30
MEL
-
SAT
2 stops27h 07m
Multiple Airlines
Deal found 2/5$1,477
Tue 2/616:47
SAT
-
SYD
1 stop23h 03m
Delta
Wed 10/609:15
SYD
-
SAT
1 stop20h 37m
Delta
Deal found 3/5$1,671
Wed 29/415:33
SAT
-
SYD
1 stop24h 17m
Delta
Tue 12/509:15
SYD
-
SAT
1 stop20h 55m
Delta
Deal found 29/4$1,673
Tue 19/516:47
SAT
-
SYD
1 stop23h 03m
Delta
Tue 26/509:15
SYD
-
SAT
2 stops22h 50m
Delta
Deal found 2/5$1,677
Tue 2/606:08
SAT
-
SYD
2 stops33h 42m
Delta
Tue 9/609:15
SYD
-
SAT
2 stops22h 58m
Delta
Deal found 3/5$1,678
Wed 10/605:30
SAT
-
SYD
3 stops34h 25m
United Airlines
Wed 17/610:20
SYD
-
SAT
1 stop29h 09m
United Airlines
Deal found 1/5$1,726
Tue 5/514:25
SAT
-
SYD
2 stops25h 30m
United Airlines
Tue 19/510:20
SYD
-
SAT
1 stop19h 11m
United Airlines
Deal found 3/5$1,727
Wed 3/616:47
SAT
-
SYD
1 stop23h 03m
Delta
Sat 1/809:15
SYD
-
SAT
1 stop20h 38m
Delta
Deal found 1/5$1,738
Sun 26/706:05
SAT
-
SYD
2 stops33h 45m
Delta
Sat 8/809:15
SYD
-
SAT
1 stop21h 10m
Delta
Deal found 3/5$1,745
Wed 3/605:30
SAT
-
SYD
3 stops34h 25m
United Airlines
Sat 1/810:20
SYD
-
SAT
1 stop25h 33m
United Airlines
Deal found 1/5$1,792
Mon 27/709:37
SAT
-
SYD
3 stops30h 23m
United Airlines
Sat 8/809:30
SYD
-
SAT
2 stops21h 09m
United Airlines
Deal found 1/5$1,799
Sat 5/1216:10
SAT
-
MEL
1 stop24h 40m
Delta
Sun 27/1212:00
MEL
-
SAT
1 stop28h 18m
Delta
Deal found 30/4$1,810

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 May 2026.

Round-trip from

$1,477

One-way from

$785

Popular in

December

Cheapest in

January

Average price

$1,990
25/7-8/8
  • 25/7-8/8
  • 4 total stops
  • 59h 04m total
  • San Antonio to Australia
Search Deals
27/6
  • 27/6
  • 2 total stops
  • 31h 57m total
  • San Antonio to Australia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($128 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 4 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 AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 25/7

20:23-19:20

2 stops31h 57m

Melbourne

Sat 8/8

07:30-19:37

2 stops27h 07m

$1,477
Fastest return journey

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 2/6

16:47-06:50

1 stop23h 03m

Sydney Kingsford Smith

Wed 10/6

09:15-14:52

1 stop20h 37m

$1,671

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 2/6

06:08-06:50

2 stops33h 42m

Sydney Kingsford Smith

Tue 9/6

09:15-17:13

2 stops22h 58m

$1,678

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 3/6

16:47-06:50

1 stop23h 03m

Sydney Kingsford Smith

Sat 1/8

09:15-14:53

1 stop20h 38m

$1,738

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 26/7

06:05-06:50

2 stops33h 45m

Sydney Kingsford Smith

Sat 8/8

09:15-15:25

1 stop21h 10m

$1,745

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 3/6

05:30-06:55

3 stops34h 25m

Sydney Kingsford Smith

Sat 1/8

10:20-20:53

1 stop25h 33m

$1,792

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 14/9

16:10-06:50

1 stop23h 40m

Sydney Kingsford Smith

Mon 5/10

10:15-14:42

1 stop20h 27m

$1,817

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 23/9

12:15-06:50

2 stops27h 35m

Sydney Kingsford Smith

Mon 19/10

10:15-14:39

1 stop20h 24m

$1,823

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Tue 2/6

13:44-05:00

2 stops24h 16m

Brisbane

Tue 9/6

20:35-08:25

2 stops26h 50m

$1,873

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Mon 1/6

06:50-07:50

2 stops34h 00m

Melbourne

Wed 24/6

10:00-23:52

1 stop28h 52m

$2,072

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 35 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, October is the cheapest month in which you can book a flight from San Antonio to Australia (average of $709). Flying from San Antonio to Australia in April is currently the most expensive (average of $2,101). 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 23h 03m. Fly via Delta, American Airlines, or China Eastern to get the fastest option. There are 13530 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 - Melbourne, San Antonio - Sydney Kingsford Smith 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, October is the cheapest month in which you can book a flight from San Antonio to Australia (average of $709). Flying from San Antonio to Australia in April is currently the most expensive (average of $2,101). 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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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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