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$853+ Cheap flights from San Antonio (SAT) to Sydney (SYD)

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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:07 pmSAT - SYD
1 stop21h 53mMultiple Airlines
Wed 12/311:20 amSYD - SAT
1 stop22h 52mMultiple Airlines
Deal found 10/29$1,059
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:45 amSAT - SYD
1 stop33h 15mMultiple Airlines
Sun 12/711:20 amSYD - SAT
2 stops29h 06mMultiple Airlines
Deal found 10/29$1,164
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:12 pmSAT - SYD
1 stop24h 48mQantas Airways
Sun 12/711:20 amSYD - SAT
1 stop28h 38mQantas Airways
Deal found 10/29$1,178
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:30 pmSAT - SYD
2 stops23h 30mAmerican Airlines
Sun 12/711:20 amSYD - SAT
2 stops22h 37mAmerican Airlines
Deal found 10/29$1,219
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:12 pmSAT - SYD
1 stop24h 48mQantas Airways
Sun 11/3011:20 amSYD - SAT
1 stop28h 35mQantas Airways
Deal found 10/30$1,263
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:12 pmSAT - SYD
1 stop24h 48mQantas Airways
Sat 11/157:15 pmSYD - SAT
2 stops37h 22mQantas Airways
Deal found 10/30$1,274
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:26 pmSAT - SYD
1 stop25h 34mAmerican Airlines
Wed 11/1211:20 amSYD - SAT
1 stop28h 35mAmerican Airlines
Deal found 10/30$1,297
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:39 pmSAT - SYD
2 stops21h 21mAmerican Airlines
Sun 11/3011:20 amSYD - SAT
2 stops22h 40mAmerican Airlines
Deal found 10/30$1,310
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/87:30 pmSAT - SYD
1 stop42h 30mUnited Airlines
Fri 11/1411:50 amSYD - SAT
1 stop28h 06mUnited Airlines
Deal found 10/29$1,319

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,059
(Trip.com)

One-way from

$853
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,224
Provider with most accurate pricing for San Antonio-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Sydney Kingsford Smith flights.
Search Deals
From San Antonio to Sydney Kingsford Smith
Search Deals
One-way flight from San Antonio to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 30, 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

Sat 2/7

7:00 pm-12:35 pm

2 stops24h 35m

Sydney Kingsford Smith

Sat 2/28

2:00 pm-6:02 pm

2 stops21h 02m

$1,158

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 2/7

2:35 pm-9:00 am

1 stop25h 25m

Sydney Kingsford Smith

Sat 2/28

5:45 pm-11:03 pm

1 stop22h 18m

$1,178

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 11/26

6:00 pm-8:45 am

2 stops21h 45m

Sydney Kingsford Smith

Wed 12/3

11:45 am-7:57 pm

2 stops25h 12m

$1,181

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 2/7

2:35 pm-9:00 am

1 stop25h 25m

Sydney Kingsford Smith

Sat 2/28

11:20 am-4:59 pm

2 stops22h 39m

$1,219

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 3/11

3:15 pm-9:00 am

1 stop25h 45m

Sydney Kingsford Smith

Tue 3/17

1:05 pm-7:57 pm

1 stop22h 52m

$1,247

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 12/8

5:59 pm-7:00 am

1 stop20h 01m

Sydney Kingsford Smith

Wed 12/17

11:50 am-1:12 pm

1 stop18h 22m

$1,263

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 2/6

2:35 pm-9:00 am

1 stop25h 25m

Sydney Kingsford Smith

Tue 2/17

11:20 am-4:59 pm

2 stops22h 39m

$1,301

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 12/26

2:01 pm-7:55 pm

3 stops36h 54m

$853

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 12/26

7:30 pm-7:00 am

1 stop42h 30m

$912

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 12/25

6:00 pm-9:50 pm

2 stops34h 50m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 12 results
1
2

Compare providers for flights from San Antonio to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Sydney in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 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 round-trip flight from San Antonio to Sydney. Price data was last updated on October 24, 2025.

The price you pay for your flight from San Antonio to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $577). Flying from San Antonio to Sydney in December is currently the most expensive (average of $1,099). 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.

What is the cheapest time of day to fly from SAT to SYD?

Find hourly flight availability from San Antonio to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from San Antonio to Sydney in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from San Antonio to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from San Antonio to Sydney?

    A quick flight from San Antonio to Sydney can take about 24h 35m. Fiji Airways provides one of the quickest options available for as low as $1,158. Airlines will cover a distance of 8407 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to Sydney round-trip?

    According to our current data, American Airlines ($867), United Airlines ($926), and Delta ($978) offers the cheapest pricing from San Antonio to Sydney. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

  • 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 vacation 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 $577). Flying from San Antonio to Sydney in December is currently the most expensive (average of $1,099). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 3 airlines flying from San Antonio to Sydney

Discover the top 3 airlines that operate flights from San Antonio to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$867Average$1,497FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$926Average$1,163FlexibilityNo cancel feeOn-time69%
DeltaCheapest$978Average$1,395FlexibilityNo cancel feeOn-timeN/A

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