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Cheap flights from San Antonio to Sydney from $731

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Antonio to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from San Antonio to Sydney
Explore the most affordable flight options available from San Antonio to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 April 2026.

Wed 29/415:54
SAT
-
SYD
1 stop24h 11m
American Airlines
Tue 12/512:00
SYD
-
SAT
1 stop24h 41m
American Airlines
Deal found 6/4$2,101
Tue 26/513:39
SAT
-
SYD
2 stops26h 16m
United Airlines
Tue 2/610:20
SYD
-
SAT
1 stop29h 09m
United Airlines
Deal found 7/4$2,106
Mon 13/415:33
SAT
-
SYD
1 stop24h 17m
Delta
Mon 20/409:15
SYD
-
SAT
2 stops30h 10m
Delta
Deal found 6/4$2,112
Sat 23/517:55
SAT
-
SYD
2 stops45h 55m
Delta
Sun 7/609:15
SYD
-
SAT
2 stops30h 01m
Delta
Deal found 7/4$2,136
Mon 25/516:47
SAT
-
SYD
1 stop23h 03m
Delta
Sat 13/609:15
SYD
-
SAT
1 stop20h 37m
Delta
Deal found 7/4$2,177
Fri 5/617:57
SAT
-
SYD
2 stops22h 03m
United Airlines
Wed 17/610:20
SYD
-
SAT
2 stops22h 24m
United Airlines
Deal found 5/4$2,183
Sun 24/507:30
SAT
-
SYD
1 stop32h 20m
Delta
Sat 13/609:15
SYD
-
SAT
1 stop20h 37m
Delta
Deal found 7/4$2,191
Sat 23/507:30
SAT
-
SYD
1 stop32h 20m
Delta
Mon 8/609:15
SYD
-
SAT
1 stop20h 37m
Delta
Deal found 7/4$2,193
Mon 14/911:50
SAT
-
SYD
2 stops29h 55m
Air New Zealand
Mon 5/1010:30
SYD
-
SAT
2 stops21h 03m
Air New Zealand
Deal found 6/4$2,198

Find flight deals from San Antonio to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 April 2026.

Round-trip from

$2,101

One-way from

$731

Popular in

December

Cheapest in

January

Average price

$2,147
American Airlines
  • American Airlines
  • 29/4-12/5
  • 2 total stops
  • 48h 52m total
  • San Antonio to Sydney
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 47h 51m total
  • San Antonio to Sydney
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($126 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 Sydney 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 10 April 2026.
Use the filters below to find and compare flights from San Antonio to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 29/4

15:33-06:50

1 stop24h 17m

Sydney Kingsford Smith

Tue 12/5

09:15-15:10

1 stop20h 55m

$2,106

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 26/5

05:30-06:55

3 stops34h 25m

Sydney Kingsford Smith

Tue 2/6

10:20-00:29

1 stop29h 09m

$2,106

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 5/6

05:30-07:00

2 stops34h 30m

Sydney Kingsford Smith

Wed 17/6

10:20-00:29

1 stop29h 09m

$2,177
Fastest return journey

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 26/5

16:47-06:50

1 stop23h 03m

Sydney Kingsford Smith

Sat 13/6

09:15-14:52

1 stop20h 37m

$2,177

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 24/5

07:30-06:50

1 stop32h 20m

Sydney Kingsford Smith

Sat 13/6

09:15-14:52

1 stop20h 37m

$2,191

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 23/9

07:35-08:45

2 stops34h 10m

Sydney Kingsford Smith

Mon 19/10

10:30-15:33

2 stops21h 03m

$2,207

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 14/9

07:35-08:45

2 stops34h 10m

Sydney Kingsford Smith

Mon 5/10

10:30-15:33

2 stops21h 03m

$2,210

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 23/5

13:39-06:55

2 stops26h 16m

Sydney Kingsford Smith

Sat 30/5

10:20-00:29

1 stop29h 09m

$2,248

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 21/5

16:47-06:50

1 stop23h 03m

Sydney Kingsford Smith

Thu 28/5

09:15-15:10

1 stop20h 55m

$2,248
Cheapest one-way

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 30/6

19:51-19:25

3 stops56h 34m

$1,127

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from San Antonio to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, May is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $337). Flying from San Antonio to Sydney in December is currently the most expensive (average of $1,375). 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 Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Delta and United Airlines fly from San Antonio to Sydney in about 24h 17m. The time it takes to get you to your destination can typically vary by up to 10h 08m. There are 13530 km between San Antonio and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Sydney 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 Sydney?

    Currently, May is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $337). Flying from San Antonio to Sydney in December is currently the most expensive (average of $1,375). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Terrigal
Katoomba
Lithgow
Cronulla
Manly
Bondi Beach
Coogee
Leura
Randwick

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

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

Need flexible booking options for your flight to Sydney from San Antonio? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on San Antonio to Sydney 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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