How long is the flight from San Antonio to Sydney?

Airlines like United Airlines fly from San Antonio to Sydney in about 35h 05m. The time it takes to get you to your destination can typically vary by up to . There are 13530 km between San Antonio and Sydney.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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

When flying from San Antonio to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$879+ Cheap Flights from San Antonio to Sydney

Cheap flight deals from San Antonio to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 11 September 2026.

Mon 26/1017:43 -

1 stop21h 12m

Mon 2/1111:10 -

1 stop21h 59m

Deal found 11/9$1,792

Mon 26/1017:57 -

2 stops26h 53m

Mon 2/1111:50 -

2 stops24h 20m

Deal found 11/9$1,806

Tue 1/1217:50 -

1 stop20h 10m

Tue 15/1211:20 -

2 stops28h 38m

Deal found 7/9$1,822

Tue 8/1216:10 -

2 stops24h 10m

Tue 22/1209:20 -

1 stop27h 19m

Deal found 11/9$1,829

Mon 26/1014:20 -

2 stops26h 15m

Mon 2/1109:55 -

3 stops29h 56m

Deal found 11/9$1,833

Wed 4/1111:45 -

1 stop26h 15m

Fri 11/1209:15 -

1 stop25h 47m

Deal found 7/9$1,892

Fri 23/1011:47 -

2 stops33h 03m

Fri 30/1019:25 -

2 stops42h 22m

Deal found 8/9$1,897

Sun 25/1017:57 -

2 stops22h 08m

Sun 1/1111:50 -

2 stops22h 05m

Deal found 10/9$1,899

Fri 23/1016:34 -

1 stop23h 31m

Fri 30/1011:10 -

1 stop20h 54m

Deal found 8/9$1,925

Fri 4/1205:25 -

3 stops31h 55m

Sun 20/1209:15 -

1 stop21h 06m

Deal found 7/9$1,961

Find flight deals from San Antonio to Sydney

Round-trip from	$1,643
One-way from	$879
Popular in	December
Cheapest in	January
Average price	$1,662

Air New Zealand
24/1-3/2
4 total stops
58h 15m total
San Antonio to Sydney

Search Deals

25/11-31/12
2 total stops
49h 19m total
San Antonio to Sydney

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($480 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($116 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 return flight

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Wed 25/11

05:30-09:20

3 stops34h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$971

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Thu 17/9

07:28-20:10

2 stops45h 42m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,075

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sat 2/1

15:01-09:00

1 stop24h 59m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,405

Fastest return journey

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sat 2/1

15:35-09:00

2 stops24h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,406

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sat 2/1

21:21-17:45

3 stops51h 24m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,415

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Thu 17/9

15:09-07:05

1 stop24h 56m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,525

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Tue 8/12

05:25-09:20

3 stops34h 55m

Sydney Kingsford Smith

Tue 22/12

09:20-13:21

1 stop21h 01m

$1,822

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Tue 1/12

05:15-09:20

3 stops35h 05m

Sydney Kingsford Smith

Tue 15/12

09:20-10:51

1 stop18h 31m

$1,824

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Mon 26/10

14:20-08:05

2 stops25h 45m

Sydney Kingsford Smith

Mon 2/11

09:20-10:46

1 stop18h 26m

$1,824

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Wed 4/11

05:30-09:20

3 stops34h 50m

Sydney Kingsford Smith

Fri 11/12

09:15-10:52

1 stop18h 37m

$1,892

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 11 resultsSorted by cheapest first

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.

SAT-SYD

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

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 $1,341). Flying from San Antonio to Sydney in December is currently the most expensive (average of $3,010). 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?

Airfare is typical for this route at the moment.

San Antonio to Sydney flights typically cost between $1,616 and $2,017 in January.
The cheapest return price found within the last 5 days was $1,643 on Air New Zealand (24 Jan–3 Feb).

Related info for your journey

How long is the flight from San Antonio to Sydney?
Airlines like United Airlines fly from San Antonio to Sydney in about 35h 05m. The time it takes to get you to your destination can typically vary by up to . There are 13530 km between San Antonio and Sydney.
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, January is the cheapest month in which you can book a flight from San Antonio to Sydney (average of $1,341). Flying from San Antonio to Sydney in December is currently the most expensive (average of $3,010). 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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Why should you use Cheapflights to find cheap flight tickets from San Antonio to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from San Antonio.

Can Cheapflights find flights from San Antonio to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from San Antonio? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Antonio to Sydney become cheaper?

Yes, Cheapflights offers price alerts on San Antonio to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from San Antonio to Sydney from $879

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Antonio to Sydney

Cheapest flights from San Antonio to SydneyExplore 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 11 September 2026.

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 11 September 2026.

Best flights from San Antonio to SydneyDiscover carefully curated flight deals from San Antonio to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from San Antonio to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from San Antonio to SydneyDiscover last-minute flight deals from San Antonio to Sydney. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from San Antonio to Sydney. Data last updated 11 September 2026 and is based on user searches.

One-way flights from San Antonio to SydneySearch for one-way flight options from San Antonio to Sydney. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from San Antonio to Sydney. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from San Antonio to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Sydney that are best for you.

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.

Cheapflights Insights

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

How much does it cost for a return flight from San Antonio to Sydney?

Airfare is typical for this route at the moment.

San Antonio to Sydney flights typically cost between $1,616 and $2,017 in January.The cheapest return price found within the last 5 days was $1,643 on Air New Zealand (24 Jan–3 Feb).

Related info for your journey

How long is the flight from San Antonio to Sydney?

Can I find deals for flights from San Antonio to Sydney that include hotel bookings?

How can I find direct flights from San Antonio to Sydney?

Can I find deals for business class flights from San Antonio to Sydney?

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

Travelling to a place near Sydney?

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Complete your trip

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Search flights from San Antonio to Sydney by cabin class

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San Antonio and Sydney flights

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How does Cheapflights help users find flights from San Antonio to Sydney?

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Sydney?

Can Cheapflights find flights from San Antonio to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from San Antonio to Sydney become cheaper?

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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 11 September 2026.

Best flights from San Antonio to Sydney
Discover carefully curated flight deals from San Antonio to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from San Antonio to Sydney
Discover last-minute flight deals from San Antonio to Sydney. Data last updated 11 September 2026 and is based on user searches.

One-way flights from San Antonio to Sydney
Search for one-way flight options from San Antonio to Sydney. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

San Antonio to Sydney flights typically cost between $1,616 and $2,017 in January.
The cheapest return price found within the last 5 days was $1,643 on Air New Zealand (24 Jan–3 Feb).