Cheap flights from San Antonio to Sydney from $864

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
7 Sep — 14 Sep1
1 adult

Cheap 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 2 September 2025.

Round-trip from

$1,704

One-way from

$864

Popular in

June

Cheapest in

April

Average price

$2,226
3/2-25/2
  • 3/2-25/2
  • 4 total stops
  • 58h 44m total
  • San Antonio to Sydney
Fiji Airways
  • Fiji Airways
  • 30/10
  • 2 total stops
  • 24h 35m total
  • San Antonio to Sydney
Highest demand for flights based on searches. 5% potential increase in price ($179 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($57 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from San Antonio to Sydney

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 2 September 2025.

Wed 3/905:30SAT - SYD
2 stops34h 30mUnited Airlines
Wed 24/910:20SYD - SAT
1 stop26h 57mUnited Airlines
Deal found 31/8$1,696
Tue 2/912:57SAT - SYD
2 stops27h 03mUnited Airlines
Tue 23/910:20SYD - SAT
2 stops21h 31mUnited Airlines
Deal found 1/9$1,702
Wed 3/912:41SAT - SYD
2 stops26h 54mDelta
Wed 24/909:25SYD - SAT
2 stops29h 00mDelta
Deal found 2/9$1,704
Thu 6/1119:30SAT - SYD
2 stops24h 30mMultiple Airlines
Sat 15/1114:30SYD - SAT
2 stops20h 32mMultiple Airlines
Deal found 31/8$1,705
Thu 30/1020:25SAT - SYD
2 stops24h 35mMultiple Airlines
Wed 12/1114:00SYD - SAT
2 stops25h 51mMultiple Airlines
Deal found 31/8$1,795
Wed 15/1018:16SAT - SYD
2 stops35h 24mMultiple Airlines
Wed 22/1011:50SYD - SAT
3 stops32h 57mMultiple Airlines
Deal found 31/8$1,820
Fri 7/1115:12SAT - SYD
2 stops28h 18mMultiple Airlines
Sat 15/1114:30SYD - SAT
2 stops20h 32mMultiple Airlines
Deal found 1/9$1,858
Thu 23/1020:25SAT - SYD
2 stops24h 50mMultiple Airlines
Wed 5/1114:00SYD - SAT
2 stops25h 51mMultiple Airlines
Deal found 1/9$1,878
Sat 18/1017:38SAT - SYD
2 stops27h 07mMultiple Airlines
Wed 29/1006:00SYD - SAT
2 stops32h 42mMultiple Airlines
Deal found 1/9$1,899

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 2 September 2025.
Use the filters below to find and compare flights from San Antonio to Sydney that are best for you.

Fly from

San Antonio

Fly to

Sydney

Route

Depart

Return

Price

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 3/2

18:41-12:30

2 stops24h 49m

Sydney Kingsford Smith

Wed 25/2

06:00-22:55

2 stops33h 55m

$1,704

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 6/11

19:30-13:00

2 stops24h 30m

Sydney Kingsford Smith

Sat 15/11

14:30-18:02

2 stops20h 32m

$1,705

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 1/3

15:15-12:30

2 stops28h 15m

Sydney Kingsford Smith

Tue 10/3

14:10-19:57

2 stops21h 47m

$1,781

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 30/10

20:25-13:00

2 stops24h 35m

Sydney Kingsford Smith

Wed 12/11

14:00-22:51

2 stops25h 51m

$1,795

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 15/10

18:16-21:40

2 stops35h 24m

Sydney Kingsford Smith

Wed 22/10

11:50-04:47

3 stops32h 57m

$1,820

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 7/11

15:12-12:30

2 stops28h 18m

Sydney Kingsford Smith

Sat 15/11

14:30-18:02

2 stops20h 32m

$1,858

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 23/10

20:25-13:15

2 stops24h 50m

Sydney Kingsford Smith

Wed 5/11

14:00-22:51

2 stops25h 51m

$1,878

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 17/10

15:26-08:05

1 stop24h 39m

Sydney Kingsford Smith

Fri 24/10

10:10-14:53

1 stop20h 43m

$1,899

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 15/10

15:26-08:05

1 stop24h 39m

Sydney Kingsford Smith

Wed 22/10

10:10-22:42

1 stop28h 32m

$1,899

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 30/10

20:25-13:00

2 stops24h 35m

$864

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 15 results
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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

How far ahead should I book a flight from San Antonio to Sydney?

Use this chart to determine the optimal time to book a return flight from San Antonio to Sydney. Price data was last updated on 29 August 2025.

The best time to book flights from San Antonio to Sydney is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $129). Flying from San Antonio to Sydney in October is currently the most expensive (average of $171). 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.

How much does it cost for a return flight from San Antonio to Sydney?

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.
  • What are the cheapest airlines to fly from San Antonio to Sydney one-way?

    To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at $864. American Airlines flights start at $1,027 while deals on Air Canada start at $2,076 one-way.

  • 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 $129). Flying from San Antonio to Sydney in October is currently the most expensive (average of $171). 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
Katoomba
Penrith
Coogee
Terrigal
Cronulla
Manly
Lithgow
Randwick
Bondi Beach
Leura

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