Cheap flights from San Antonio to Sydney from $1,050

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SYD
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Round-trip from

$1,681

One-way from

$1,050

Popular in

June

Cheapest in

March

Average price

$2,024
United Airlines
  • United Airlines
  • 4/9-17/9
  • 3 total stops
  • 48h 59m total
  • San Antonio to Sydney
United Airlines
  • United Airlines
  • 29/7
  • 3 total stops
  • 34h 25m total
  • San Antonio to Sydney
Highest demand for flights based on searches. 3% potential increase in price ($123 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($60 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 18 July 2025.

Tue 11/1119:30SAT - SYD
2 stops24h 00mFiji Airways
Tue 3/314:10SYD - SAT
2 stops21h 21mFiji Airways
Deal found 16/7$1,635
Thu 4/917:58SAT - SYD
2 stops22h 02mUnited Airlines
Wed 17/910:20SYD - SAT
1 stop26h 57mUnited Airlines
Deal found 18/7$1,681
Thu 4/915:04SAT - SYD
1 stop25h 01mAmerican Airlines
Wed 17/912:10SYD - SAT
1 stop20h 37mAmerican Airlines
Deal found 18/7$1,701
Tue 11/1115:10SAT - SYD
1 stop24h 50mQantas Airways
Tue 3/307:05SYD - SAT
2 stops32h 50mQantas Airways
Deal found 17/7$1,785
Sun 9/1116:10SAT - SYD
1 stop23h 20mDelta
Tue 3/314:15SYD - SAT
1 stop26h 02mDelta
Deal found 16/7$1,947
Tue 11/1105:30SAT - SYD
3 stops36h 00mMultiple Airlines
Tue 3/311:45SYD - SAT
2 stops27h 28mMultiple Airlines
Deal found 17/7$2,568
Sun 9/1119:46SAT - SYD
3 stops44h 49mAir Canada
Tue 3/311:20SYD - SAT
2 stops27h 53mAir Canada
Deal found 16/7$3,363
Thu 4/917:58SAT - SYD
3 stops58h 02mTurkish Airlines
Wed 17/920:55SYD - SAT
3 stops40h 53mTurkish Airlines
Deal found 18/7$3,469
Sat 19/705:04SAT - SYD
2 stops45h 06mQatar Airways
Mon 21/720:45SYD - SAT
2 stops47h 55mQatar Airways
Deal found 15/7$4,493

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 18 July 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

Thu 4/9

17:58-07:00

2 stops22h 02m

Sydney Kingsford Smith

Wed 17/9

10:20-22:17

1 stop26h 57m

$1,681

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 4/9

15:04-07:05

1 stop25h 01m

Sydney Kingsford Smith

Wed 17/9

12:10-17:47

1 stop20h 37m

$1,701

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 26/8

18:45-22:10

2 stops36h 25m

Sydney Kingsford Smith

Thu 4/9

13:15-19:45

2 stops21h 30m

$2,064

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 8/8

16:00-06:35

1 stop23h 35m

Sydney Kingsford Smith

Mon 11/8

09:25-14:10

1 stop19h 45m

$2,192

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 3/9

05:30-08:45

3 stops36h 15m

Sydney Kingsford Smith

Wed 24/9

09:55-22:17

2 stops27h 22m

$2,570

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 4/9

17:58-19:00

3 stops58h 02m

Sydney Kingsford Smith

Wed 17/9

20:55-22:48

3 stops40h 53m

$3,469

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 4/9

06:30-07:20

3 stops33h 50m

Sydney Kingsford Smith

Wed 17/9

09:20-16:51

2 stops22h 31m

$3,551

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 8/10

15:26-08:05

1 stop24h 39m

Sydney Kingsford Smith

Wed 22/10

10:10-22:42

1 stop28h 32m

$5,316

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 8/10

07:05-07:20

2 stops32h 15m

Sydney Kingsford Smith

Wed 22/10

09:55-22:42

2 stops52h 47m

$12,852

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 8/10

12:15-10:35

3 stops54h 20m

Sydney Kingsford Smith

Wed 22/10

12:50-09:51

3 stops37h 01m

$21,264

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 19 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 return 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 return flight from San Antonio to Sydney. Price data was last updated on 11 July 2025.

The best time to book flights from San Antonio to Sydney is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $129). Flying from San Antonio to Sydney in October is currently the most expensive (average of $171). 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 for a return flight 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 18 July 2025.
Read reviews from past customers who have flown with Japan Airlines, Alaska Airlines, andFiji Airways from San Antonio to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
8.0
Very Good

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Overall

8.3

Comfort

8.2

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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

    Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at $1,681. Additional round-trip tickets that might be worth considering are offered by American Airlines and Fiji Airways, with the lowest prices starting at $1,701 and $2,064, respectively. United Airlines is currently priced 15% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Antonio to Sydney one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $1,050. Delta flights start at $1,086 while deals on Alaska Airlines start at $1,382 one-way.

  • 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 holiday 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 $129). Flying from San Antonio to Sydney in October is currently the most expensive (average of $171). 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

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