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$567+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$1,099
(Trip.com)

One-way from

$567
(oojo)

Popular in

June

Cheapest in

March

Average price

$1,458
From San Antonio to Sydney Kingsford Smith
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One-way flight from San Antonio to Sydney Kingsford Smith
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Highest demand for flights based on searches. 2% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($22 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 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 September 17, 2025.

This lol.travel deal was found by Cheapflights users on 9/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:58 pmSAT - SYD
2 stops22h 02mUnited Airlines
Sun 10/511:20 amSYD - SAT
2 stops24h 10mUnited Airlines
Deal found 9/17$1,037
This Delta deal was found by Cheapflights users on 9/16. 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.
Wed 9/174:00 pmSAT - SYD
1 stop23h 35mDelta
Wed 9/249:25 amSYD - SAT
1 stop20h 04mDelta
Deal found 9/16$1,113
This oojo deal was found by Cheapflights users on 9/15. 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 11/67:30 pmSAT - SYD
2 stops24h 30mFiji Airways
Sat 11/152:30 pmSYD - SAT
2 stops20h 30mFiji Airways
Deal found 9/15$1,129
This BYOjet deal was found by Cheapflights users on 9/17. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:40 pmSAT - SYD
2 stops35h 10mFiji Airways
Sat 11/86:00 amSYD - SAT
2 stops29h 00mFiji Airways
Deal found 9/17$1,158
This Delta deal was found by Cheapflights users on 9/15. 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 9/284:00 pmSAT - SYD
1 stop23h 35mDelta
Sat 10/1110:25 amSYD - SAT
1 stop20h 26mDelta
Deal found 9/15$1,163
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 9/285:56 pmSAT - SYD
2 stops22h 04mUnited Airlines
Sat 10/1111:20 amSYD - SAT
2 stops25h 35mUnited Airlines
Deal found 9/15$1,167
This Fiji Airways deal was found by Cheapflights users on 9/16. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:30 pmSAT - SYD
2 stops24h 30mMultiple Airlines
Sat 11/152:30 pmSYD - SAT
2 stops20h 32mMultiple Airlines
Deal found 9/16$1,174
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/316:32 amSAT - SYD
2 stops31h 38mMultiple Airlines
Fri 11/75:45 pmSYD - SAT
1 stop37h 22mMultiple Airlines
Deal found 9/16$1,210
This Fiji Airways deal was found by Cheapflights users on 9/15. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:25 pmSAT - SYD
2 stops24h 35mMultiple Airlines
Wed 11/122:00 pmSYD - SAT
2 stops25h 51mMultiple Airlines
Deal found 9/15$1,225
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 10/306:32 amSAT - SYD
2 stops32h 53mMultiple Airlines
Thu 11/65:45 pmSYD - SAT
1 stop37h 22mMultiple Airlines
Deal found 9/14$1,236

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 September 17, 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 9/21

5:58 pm-7:00 am

2 stops22h 02m

Sydney Kingsford Smith

Sun 10/5

11:20 am-7:30 pm

2 stops24h 10m

$1,037

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 11/6

7:30 pm-1:00 pm

2 stops24h 30m

Sydney Kingsford Smith

Sat 11/15

6:00 am-6:00 pm

2 stops29h 00m

$1,129

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 9/28

4:00 pm-6:35 am

1 stop23h 35m

Sydney Kingsford Smith

Sat 10/11

10:25 am-2:51 pm

1 stop20h 26m

$1,163

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 9/28

4:00 pm-6:35 am

1 stop23h 35m

Sydney Kingsford Smith

Sat 10/18

10:25 am-2:51 pm

1 stop20h 26m

$1,163

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 10/30

8:25 pm-1:00 pm

2 stops24h 35m

Sydney Kingsford Smith

Thu 11/6

2:00 pm-7:41 pm

2 stops22h 41m

$1,167

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 9/28

6:00 pm-6:55 am

1 stop21h 55m

Sydney Kingsford Smith

Sat 10/18

11:20 am-8:55 pm

2 stops25h 35m

$1,167

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 10/30

8:25 pm-1:00 pm

2 stops24h 35m

$567

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 10/31

7:05 am-12:30 pm

2 stops37h 25m

$644

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/22

4:00 pm-6:35 am

1 stop23h 35m

$653

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/22

5:30 am-6:55 am

3 stops34h 25m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 12 results
1
2

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

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

Currently, March is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $1,032). Flying from San Antonio to Sydney in December is currently the most expensive (average of $1,627). 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 September 17, 2025.

It’s optimal to fly from San Antonio to Sydney in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from San Antonio to Sydney?

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 September 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
907 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 22h 02m. United Airlines provides one of the quickest options available for as low as $1,037. 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, Qantas Airways ($799), American Airlines ($867), and United Airlines ($926) offers the cheapest pricing from San Antonio to Sydney. Users have found that Qantas Airways is 40% 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, March is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $1,032). Flying from San Antonio to Sydney in December is currently the most expensive (average of $1,627). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$799Average$1,636FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$867Average$1,383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$926Average$1,165FlexibilityNo cancel feeOn-time69%
DeltaCheapest$978Average$1,395FlexibilityNo cancel feeOn-timeN/A

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