How long is the flight from San Antonio to Sydney?

Airlines like United Airlines fly from San Antonio to Sydney in about 34h 50m. 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.

$841+ 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 9 October 2026.

Mon 2/1116:40 -

1 stop23h 20m

Mon 9/1111:10 -

1 stop21h 59m

Deal found 5/10$1,589

Wed 4/1116:40 -

1 stop23h 20m

Wed 11/1114:05 -

1 stop18h 32m

Deal found 6/10$1,593

Wed 4/1116:40 -

1 stop23h 20m

Wed 11/1114:05 -

1 stop18h 32m

Deal found 6/10$1,622

Mon 2/1118:03 -

2 stops22h 02m

Mon 9/1109:15 -

1 stop21h 01m

Deal found 5/10$1,629

Tue 1/1214:18 -

2 stops27h 17m

Tue 15/1211:50 -

2 stops42h 16m

Deal found 6/10$1,744

Sat 7/1114:55 -

2 stops27h 10m

Wed 11/1114:05 -

1 stop18h 32m

Deal found 5/10$1,887

Tue 1/1216:59 -

1 stop22h 31m

Tue 15/1210:40 -

1 stop21h 15m

Deal found 6/10$1,930

Sun 18/1016:45 -

1 stop23h 05m

Wed 21/1010:15 -

1 stop20h 36m

Deal found 4/10$1,939

Tue 1/1205:15 -

2 stops34h 50m

Tue 15/1209:15 -

1 stop20h 51m

Deal found 5/10$2,002

Find flight deals from San Antonio to Sydney

Round-trip from	$1,524
One-way from	$841
Popular in	December
Cheapest in	February
Average price	$1,871

Qantas Airways
17/2-28/2
3 total stops
46h 29m total
San Antonio to Sydney

Search Deals

Qantas Airways
19/10-31/12
1 total stop
23h 31m total
San Antonio to Sydney

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($527 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($132 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Mon 19/10

15:39-08:05

2 stops24h 26m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$844

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Tue 27/10

05:30-09:20

3 stops35h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$847

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sun 15/11

05:30-09:20

3 stops34h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$847

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Mon 19/10

13:10-09:40

3 stops28h 30m

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

Mon 30/11

06:30-08:30

2 stops33h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,027

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Fri 15/1

11:56-06:25

2 stops49h 29m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,040

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Wed 4/11

16:40-09:00

1 stop23h 20m

Sydney Kingsford Smith

Wed 11/11

14:05-15:37

1 stop18h 32m

$1,622

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sun 28/3

16:23-09:50

2 stops25h 27m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,702

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sat 13/2

16:23-10:20

2 stops24h 57m

Sydney Kingsford Smith

Sun 21/2

14:05-17:25

1 stop20h 20m

$1,785

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Wed 9/12

05:15-09:05

2 stops34h 50m

Sydney Kingsford Smith

Tue 22/12

11:50-23:53

1 stop29h 03m

$2,002

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 14 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

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

Airfare is below average for this route at the moment.

San Antonio to Sydney flights typically cost between $1,817 and $2,181 in February.
The cheapest return price found within the last 5 days was $1,524 on Qantas Airways (17 Feb–28 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 34h 50m. 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.

See more FAQs

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

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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 $841

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. 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 9 October 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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from San Antonio to SydneyDiscover last-minute flight deals from San Antonio to Sydney. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from San Antonio to Sydney. Data last updated 9 October 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 9 October 2026.

Search for one-way flight options from San Antonio to Sydney. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

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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

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

Airfare is below average for this route at the moment.

San Antonio to Sydney flights typically cost between $1,817 and $2,181 in February.The cheapest return price found within the last 5 days was $1,524 on Qantas Airways (17 Feb–28 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?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to Sydney

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Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from San Antonio to Sydney by cabin class

Find flights from San Antonio to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

San Antonio and Sydney flights

Browse other San Antonio and Sydney flight options. Last updated on 9 October 2026.

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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 9 October 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 9 October 2026.

Last-minute flights from San Antonio to Sydney
Discover last-minute flight deals from San Antonio to Sydney. Data last updated 9 October 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 9 October 2026.

San Antonio to Sydney flights typically cost between $1,817 and $2,181 in February.
The cheapest return price found within the last 5 days was $1,524 on Qantas Airways (17 Feb–28 Feb).