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$541+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
Jul 29 — Aug 51
Wed 7/29
Wed 8/5
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 June 29, 2026.

This United Airlines deal was found by Cheapflights users on 6/26. 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 7/54:01 pm
SAT
-
SYD
2 stops23h 59m
United Airlines
Sun 7/199:30 am
SYD
-
SAT
2 stops29h 25m
United Airlines
Deal found 6/26$1,178
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 7/275:30 am
SAT
-
SYD
2 stops34h 30m
United Airlines
Mon 8/310:20 am
SYD
-
SAT
1 stop29h 09m
United Airlines
Deal found 6/29$1,186
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 8/33:09 pm
SAT
-
SYD
1 stop25h 21m
American Airlines
Thu 8/139:10 am
SYD
-
SAT
1 stop20h 12m
American Airlines
Deal found 6/29$1,232
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 8/35:30 am
SAT
-
SYD
2 stops34h 30m
United Airlines
Thu 8/1310:20 am
SYD
-
SAT
1 stop26h 39m
United Airlines
Deal found 6/29$1,236
This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:09 pm
SAT
-
SYD
1 stop24h 56m
Qantas Airways
Mon 10/56:50 pm
SYD
-
SAT
1 stop21h 09m
Qantas Airways
Deal found 6/29$1,254
This oojo deal was found by Cheapflights users on 6/26. 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.
Mon 9/1411:34 am
SAT
-
SYD
2 stops30h 11m
Air New Zealand
Mon 10/59:55 am
SYD
-
SAT
2 stops45h 58m
Air New Zealand
Deal found 6/26$1,260
This oojo deal was found by Cheapflights users on 6/26. 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.
Wed 9/232:15 pm
SAT
-
SYD
2 stops27h 30m
Air New Zealand
Mon 10/197:20 pm
SYD
-
SAT
2 stops55h 23m
Air New Zealand
Deal found 6/26$1,279
This oojo deal was found by Cheapflights users on 6/26. 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.
Tue 7/217:08 pm
SAT
-
SYD
1 stop20h 47m
Qantas Airways
Tue 8/45:50 pm
SYD
-
SAT
1 stop20h 39m
Qantas Airways
Deal found 6/26$1,284

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 June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,186
(United Airlines)

One-way from

$541
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,511
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. 0% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 29, 2026.
Use the filters below to find and compare flights from San Antonio to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 10/6

3:11 pm-7:30 am

1 stop24h 19m

Sydney Kingsford Smith

Wed 10/14

1:00 pm-5:45 pm

1 stop20h 45m

$1,304

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 10/6

4:45 pm-7:50 am

1 stop23h 05m

Sydney Kingsford Smith

Tue 10/13

10:15 am-2:53 pm

1 stop20h 38m

$1,306

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 9/23

1:45 pm-6:55 am

2 stops26h 10m

Sydney Kingsford Smith

Mon 10/19

10:30 am-7:20 pm

2 stops24h 50m

$1,306

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/14

1:45 pm-6:55 am

2 stops26h 10m

Sydney Kingsford Smith

Mon 10/5

11:20 am-5:51 pm

1 stop22h 31m

$1,306

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 10/6

4:17 pm-8:00 am

2 stops23h 43m

Sydney Kingsford Smith

Tue 10/13

11:20 am-5:51 pm

1 stop22h 31m

$1,306
Quickest round-trip

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 10/6

6:05 pm-7:50 am

2 stops21h 45m

Sydney Kingsford Smith

Wed 10/14

10:15 am-2:39 pm

1 stop20h 24m

$1,312

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 10/6

4:50 pm-8:00 am

2 stops23h 10m

Sydney Kingsford Smith

Wed 10/14

10:30 am-3:53 pm

2 stops21h 23m

$1,312

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 11/4

2:22 pm-7:00 am

1 stop23h 38m

Sydney Kingsford Smith

Fri 12/11

11:50 am-2:11 pm

1 stop19h 21m

$1,356

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 10/29

5:30 am-9:20 am

3 stops35h 50m

Sydney Kingsford Smith

Tue 11/24

9:20 am-11:00 am

1 stop18h 40m

$1,356

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 11/5

5:30 am-9:20 am

3 stops34h 50m

Sydney Kingsford Smith

Tue 12/1

9:20 am-3:33 pm

1 stop23h 13m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 18 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Currently, January is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $964). Flying from San Antonio to Sydney in December is currently the most expensive (average of $2,012). 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.

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 June 29, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
7.8
Good
8,449 reviews

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,449 reviews
Delta
7.8
Good
8,449 reviews

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
United Airlines
7.4
Good
9,894 reviews
Delta
7.8
Good
8,449 reviews

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
American Airlines
7.1
Good
11,770 reviews
Delta
7.8
Good
8,449 reviews

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

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 23h 05m. Qantas Airways provides one of the quickest options available for as low as $1,306. 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, Delta ($511), Qantas Airways ($799), and United Airlines ($1,115) offers the cheapest pricing from San Antonio to Sydney. Users have found that Delta is 63% 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, January is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $964). Flying from San Antonio to Sydney in December is currently the most expensive (average of $2,012). 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
Coogee
Manly

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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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$511Average$1,370FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$799Average$2,164FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,115Average$1,425FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,216Average$1,435FlexibilityNo cancel feeOn-time71%

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