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$434+ Cheap flights from Sydney (SYD) to San Antonio (SAT)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Sydney to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Antonio (SAT). 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 September 11, 2025.

Round-trip from

$978
(Kiwi.com)

One-way from

$434
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$987
From Sydney Kingsford Smith to San Antonio
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One-way flight from Sydney Kingsford Smith to San Antonio
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Highest demand for flights based on searches. 22% potential increase in price ($411 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Sydney to San Antonio

Cheapest flights from Sydney to San Antonio
Explore the most affordable flight options available from Sydney to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:45 pmSYD - SAT
1 stop37h 02mMultiple Airlines
Sat 11/86:23 pmSAT - SYD
2 stops44h 02mMultiple Airlines
Deal found 9/11$978
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:20 amSYD - SAT
2 stops21h 25mUnited Airlines
Sat 11/14:30 pmSAT - SYD
2 stops46h 30mUnited Airlines
Deal found 9/10$1,013
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/210:40 amSYD - SAT
2 stops26h 48mDelta
Sat 11/812:40 pmSAT - SYD
2 stops26h 50mDelta
Deal found 9/11$1,058
This Qantas Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:10 pmSYD - SAT
1 stop20h 35mMultiple Airlines
Sat 11/13:26 pmSAT - SYD
1 stop25h 34mMultiple Airlines
Deal found 9/10$1,059
This Aunt Betty deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:20 amSYD - SAT
2 stops22h 25mAir Canada
Sat 11/17:05 amSAT - SYD
3 stops33h 30mAir Canada
Deal found 9/10$1,750

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to San Antonio 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Sydney to San Antonio that are best for you.

Fly from

Sydney

Fly to

San Antonio

Route

Depart

Return

Price

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 11/2

5:45 pm-2:47 pm

1 stop37h 02m

San Antonio

Sat 11/8

6:23 pm-7:25 am

2 stops44h 02m

$978

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sat 10/25

11:20 am-4:45 pm

2 stops21h 25m

San Antonio

Sat 11/1

4:30 pm-7:00 am

2 stops46h 30m

$1,013

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sun 11/2

10:40 am-9:28 pm

2 stops26h 48m

San Antonio

Sat 11/8

12:40 pm-8:30 am

2 stops26h 50m

$1,058

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sat 10/25

1:10 pm-5:45 pm

1 stop20h 35m

San Antonio

Sat 11/1

3:26 pm-9:00 am

1 stop25h 34m

$1,059

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Sat 10/25

10:20 am-4:45 pm

2 stops22h 25m

San Antonio

Sat 11/1

7:05 am-8:35 am

3 stops33h 30m

$1,750

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 10/15

5:20 pm-10:09 am

3 stops56h 49m

$451

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Wed 10/15

10:25 am-2:51 pm

1 stop20h 26m

$504

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 12/2

10:40 am-11:48 pm

1 stop30h 08m

$504

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Tue 10/14

10:25 am-11:46 pm

1 stop29h 21m

$505

SydneySan Antonio

SYD - SAT

SYDSAT

Sydney Kingsford Smith

Mon 12/1

10:40 am-11:59 pm

1 stop30h 19m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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Best time to book a flight from Sydney to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Sydney with our price prediction graph.
Estimated round-trip 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 Sydney to San Antonio

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

Currently, August is the cheapest month in which you can book a flight from Sydney to San Antonio (average of $295). Flying from Sydney to San Antonio in March is currently the most expensive (average of $376). 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 Sydney to San Antonio. 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 Sydney to San Antonio?

    A quick flight from Sydney to San Antonio can take about 21h 25m. United Airlines provides one of the quickest options available for as low as $1,013. Sydney and San Antonio are separated by a distance of 8407 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sydney to San Antonio (average of $295). Flying from Sydney to San Antonio in March is currently the most expensive (average of $376). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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