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.
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 |
Find flight deals from San Antonio to Sydney
Cheapest flights from San Antonio to SydneyExplore 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.
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.
Cheapflights Fare Finder
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
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
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
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
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
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
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
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
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
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
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Thu 30/10
20:25-13:00
2 stops24h 35m
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.
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?
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.
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Alternative routes for San Antonio to Sydney
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How does Cheapflights help users find flights from San Antonio to Sydney?
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Why should you use Cheapflights to find cheap flight tickets from San Antonio to Sydney?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from San Antonio.
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.