Cheap flights from San Antonio to Sydney from $1,677
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. 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 12 September 2025.
Round-trip from | $1,677 |
---|---|
Popular in | June |
Cheapest in | April |
Average price | $2,199 |
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 12 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 12 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
Wed 24/9
16:22-07:00
2 stops23h 38m
Sydney Kingsford Smith
Wed 1/10
10:20-17:17
1 stop21h 57m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Thu 6/11
19:30-13:00
2 stops24h 30m
Sydney Kingsford Smith
Thu 20/11
14:00-18:46
2 stops21h 46m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Tue 4/11
06:32-06:10
2 stops30h 38m
Sydney Kingsford Smith
Tue 18/11
17:45-14:07
1 stop37h 22m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Tue 3/2
16:34-12:30
2 stops26h 56m
Sydney Kingsford Smith
Wed 25/2
06:00-22:55
2 stops33h 55m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Wed 11/3
12:24-08:45
2 stops28h 21m
Sydney Kingsford Smith
Tue 17/3
19:15-13:03
2 stops57h 48m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Sat 25/10
15:26-09:00
1 stop25h 34m
Sydney Kingsford Smith
Sat 1/11
11:20-22:42
1 stop27h 22m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Thu 23/10
15:26-08:05
1 stop24h 39m
Sydney Kingsford Smith
Wed 5/11
11:20-14:39
1 stop20h 19m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Sat 25/10
06:40-07:30
2 stops32h 50m
Sydney Kingsford Smith
Sat 1/11
17:45-14:47
1 stop37h 02m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Sun 26/10
18:39-09:00
2 stops22h 21m
Sydney Kingsford Smith
Sun 2/11
11:20-18:00
2 stops22h 40m
San AntonioSydney
SAT - SYD
SATSYD
San Antonio
Wed 5/11
14:31-09:00
2 stops25h 29m
Sydney Kingsford Smith
Wed 19/11
11:20-18:00
2 stops23h 40m
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.
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.