$512 Cheap Flights from Sydney (SYD) to San Antonio (SAT)

View $512 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Sydney Airport (SYD) to San Antonio International Airport (SAT)

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Cheap Flights from Sydney to San Antonio (SYD-SAT)

Prices were available within the past 7 days and start at $512 for one-way flights and $969 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 18 - Sun, Oct 19
SYD
Sydney
SAT
San Antonio
$969 Roundtrip, found 1 day ago
$969
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 18 from Sydney to San Antonio, returning Sun, Oct 19, priced at $969 found 1 day ago
Delta
Tue, Dec 16 - Fri, Jan 2
SYD
Sydney
SAT
San Antonio
$1,121 Roundtrip, found 12 hours ago
$1,121
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Dec 16 from Sydney to San Antonio, returning Fri, Jan 2, priced at $1,121 found 12 hours ago
Delta
Tue, Dec 16 - Fri, Jan 2
SYD
Sydney
SAT
San Antonio
$1,132 Roundtrip, found 12 hours ago
$1,132
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Dec 16 from Sydney to San Antonio, returning Fri, Jan 2, priced at $1,132 found 12 hours ago
Delta
Sat, Oct 18 - Sun, Oct 19
SYD
Sydney
SAT
San Antonio
$1,203 Roundtrip, found 1 day ago
$1,203
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 18 from Sydney to San Antonio, returning Sun, Oct 19, priced at $1,203 found 1 day ago
Delta
Tue, Dec 16 - Fri, Jan 2
SYD
Sydney
SAT
San Antonio
$1,238 Roundtrip, found 12 hours ago
$1,238
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Dec 16 from Sydney to San Antonio, returning Fri, Jan 2, priced at $1,238 found 12 hours ago
Delta
Sat, Oct 18 - Sun, Oct 19
SYD
Sydney
SAT
San Antonio
$1,245 Roundtrip, found 1 day ago
$1,245
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 18 from Sydney to San Antonio, returning Sun, Oct 19, priced at $1,245 found 1 day ago
All Nippon Airways
Tue, Dec 2 - Sat, Dec 6
SYD
Sydney
SAT
San Antonio
$1,320 Roundtrip, found 6 days ago
$1,320
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Tue, Dec 2 from Sydney to San Antonio, returning Sat, Dec 6, priced at $1,320 found 6 days ago
United
Wed, Mar 4 - Sun, Mar 29
SYD
Sydney
SAT
San Antonio
$1,380 Roundtrip, found 1 day ago
$1,380
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 4 from Sydney to San Antonio, returning Sun, Mar 29, priced at $1,380 found 1 day ago
Japan Airlines
Tue, Sep 2 - Tue, Sep 9
SYD
Sydney
SAT
San Antonio
$1,404 Roundtrip, found 5 days ago
$1,404
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, Sep 2 from Sydney to San Antonio, returning Tue, Sep 9, priced at $1,404 found 5 days ago
American Airlines
Wed, Mar 4 - Sun, Mar 29
SYD
Sydney
SAT
San Antonio
$1,450 Roundtrip, found 1 day ago
$1,450
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 4 from Sydney to San Antonio, returning Sun, Mar 29, priced at $1,450 found 1 day ago
Flights from Sydney (SYD) to San Antonio (SAT)
Origin airport
Kingsford Smith Intl.
Destination airport
San Antonio Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Delta, Japan Airlines, Qantas Airways, Qatar Airways, United
Roundtrip price
$969
Distance
8412 mi

Sydney to San Antonio Flights

The cheapest times to fly from Sydney to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to San Antonio are during the month of October. You can find some of the cheapest flights from Sydney to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to San Antonio

Sunday is one of the best days to book for cheap flights from Sydney to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $512 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to San Antonio Intl. Airport (SAT) cost?
Discover the latest flight deals from SYD to SAT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SYD to SAT?
The cheapest flights from SYD to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SYD to SAT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SYD to SAT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to San Antonio Intl. Airport (SAT)?
You'll have to hop on a flight with a layover when traveling from Kingsford Smith Intl. Airport (SYD) to San Antonio Intl. Airport (SAT). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SYD to SAT?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to San Antonio Intl. Airport (SAT)?
To land at San Antonio Intl. Airport (SAT) on time, book a flight that takes off from Kingsford Smith Intl. Airport (SYD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to San Antonio Intl. Airport (SAT) last-minute?
Waiting until just before your trip to book a flight from SYD to SAT generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book a SYD to SAT flight and hotel package?
Compared with arranging hotels and flights separately, booking a SYD to SAT flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to San Antonio Intl. Airport (SAT)?
In most instances, you're able to reschedule or cancel your SYD to SAT flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.