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$614+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
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Cheap 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 December 2, 2025.

This Mytrip deal was found by Cheapflights users on 11/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:30 amSAT - SYD
2 stops26h 55mMultiple Airlines
Sun 1/49:40 amSYD - SAT
3 stops45h 04mMultiple Airlines
Deal found 11/30$2,091
This Cheapflightsfares deal was found by Cheapflights users on 11/29. 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.
Sun 12/143:12 pmSAT - SYD
1 stop24h 48mQantas Airways
Sun 1/1110:00 pmSYD - SAT
2 stops41h 54mQantas Airways
Deal found 11/29$2,144
This Mytrip deal was found by Cheapflights users on 11/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:10 amSAT - SYD
3 stops35h 10mMultiple Airlines
Tue 1/66:55 pmSYD - SAT
3 stops35h 49mMultiple Airlines
Deal found 11/30$2,213
This United Airlines deal was found by Cheapflights users on 11/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:59 pmSAT - SYD
1 stop20h 01mUnited Airlines
Tue 1/612:10 pmSYD - SAT
2 stops39h 37mUnited Airlines
Deal found 11/30$2,341
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 12/261:10 pmSAT - SYD
2 stops27h 05mUnited Airlines
Thu 1/82:00 pmSYD - SAT
2 stops40h 09mUnited Airlines
Deal found 12/1$2,360

Find 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 December 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$990
(Delta)

One-way from

$614
(Cheapflightsfares)

Popular in

December

Cheapest in

March

Average price

$2,164
Provider with most accurate pricing for San Antonio-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Sydney Kingsford Smith flights.
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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. 17% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 2, 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

Sun 2/15

8:00 am-6:50 am

2 stops29h 50m

Sydney Kingsford Smith

Thu 2/19

10:40 am-2:44 pm

1 stop21h 04m

$990

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 5/1

4:10 pm-6:35 am

1 stop23h 25m

Sydney Kingsford Smith

Thu 5/7

9:25 am-2:42 pm

1 stop20h 17m

$1,007

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 1/15

2:35 pm-7:25 am

1 stop23h 50m

Sydney Kingsford Smith

Thu 1/22

5:45 pm-10:54 pm

1 stop22h 09m

$1,145

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/13

2:35 pm-7:25 am

1 stop23h 50m

Sydney Kingsford Smith

Wed 1/21

5:45 pm-10:54 pm

1 stop22h 09m

$1,146

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 5/2

2:15 pm-7:00 am

2 stops25h 45m

Sydney Kingsford Smith

Sun 5/17

10:20 am-2:11 pm

1 stop18h 51m

$1,211

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 3/8

5:50 pm-9:05 am

2 stops23h 15m

Sydney Kingsford Smith

Fri 3/20

11:50 am-5:51 pm

1 stop22h 01m

$1,211

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 1/28

2:35 pm-9:00 am

1 stop25h 25m

$614

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 1/28

5:20 am-8:30 am

2 stops34h 10m

$643

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 1/28

6:30 am-7:25 am

3 stops31h 55m

$643

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 1/2

11:28 am-7:00 am

1 stop26h 32m

$1,501

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 December.
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 November 28, 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 $450). Flying from San Antonio to Sydney in December is currently the most expensive (average of $979). 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 December 2, 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 December 2, 2025.
Peruse reviews from past customers who have flown with Delta, Qantas Airways, and United 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
8,010 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
946 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,065 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,041 reviews
Delta
7.9
Good
8,010 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 29h 50m. Delta provides one of the quickest options available for as low as $990. Airlines will cover a distance of 8407 mi.

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

    According to our current data, Delta ($652), Qantas Airways ($799), and American Airlines ($867) offers the cheapest pricing from San Antonio to Sydney. Users have found that Delta is 52% 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 $450). Flying from San Antonio to Sydney in December is currently the most expensive (average of $979). 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 4 airlines flying from San Antonio to Sydney

Discover the top 4 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 December 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$799Average$1,852FlexibilityNo cancel feeOn-time74%
DeltaCheapest$839Average$1,370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$867Average$1,416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$926Average$1,148FlexibilityNo cancel feeOn-time69%

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