How long is the flight from San Antonio to Sydney?

Airlines like United Airlines fly from San Antonio to Sydney in about 23h 38m. 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. Find deals

What is the cheapest day to fly from San Antonio to Sydney?

Travellers seeking maximum savings on their San Antonio to Sydney flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

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).

How far in advance should I book a flight from San Antonio to Sydney?

Users have found that booking a flight from San Antonio to Sydney at least 34 days early can save you up to 30% on average compared to booking a flight this week. If booking 34 days before your flight isn’t an option for you, users have found flights from San Antonio to Sydney for as little as $1,464 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,791 for flights departing within the next 3 days.

What is the cheapest month to fly from San Antonio to Sydney?

Flights from San Antonio to Sydney lean towards being more expensive in June. Prices are generally better when you fly from San Antonio to Sydney in April, with the cheapest ticket starting at $1,508.

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.

$1,677+ Flights from San Antonio to Sydney

Cheap flight deals from San Antonio to Sydney

Round-trip from	$1,677
Popular in	June
Cheapest in	April
Average price	$2,199

United Airlines
24/9-1/10
3 total stops
45h 35m total
San Antonio to Sydney

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($176 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($56 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 12 September 2025.

Wed 24/916:22SAT - SYD

2 stops23h 38mUnited Airlines

Wed 1/1010:20SYD - SAT

1 stop21h 57mUnited Airlines

Deal found 11/9$1,677

Tue 4/1118:05SAT - SYD

2 stops25h 25mMultiple Airlines

Tue 18/1114:10SYD - SAT

2 stops20h 50mMultiple Airlines

Deal found 10/9$1,758

Sat 25/1018:40SAT - SYD

2 stops26h 05mFiji Airways

Sat 1/1106:00SYD - SAT

2 stops29h 43mFiji Airways

Deal found 10/9$1,816

Wed 5/1106:32SAT - SYD

2 stops58h 18mMultiple Airlines

Wed 19/1117:45SYD - SAT

1 stop37h 22mMultiple Airlines

Deal found 10/9$1,825

Sun 26/1006:32SAT - SYD

2 stops32h 53mMultiple Airlines

Sun 2/1117:45SYD - SAT

1 stop37h 02mMultiple Airlines

Deal found 11/9$1,855

Sat 25/1015:26SAT - SYD

1 stop25h 34mAmerican Airlines

Sat 1/1111:20SYD - SAT

1 stop27h 22mAmerican Airlines

Deal found 10/9$1,876

Sat 18/1015:26SAT - SYD

1 stop24h 39mAmerican Airlines

Wed 29/1011:20SYD - SAT

1 stop19h 33mAmerican Airlines

Deal found 11/9$1,877

Wed 15/1016:37SAT - SYD

1 stop22h 18mAmerican Airlines

Wed 29/1013:05SYD - SAT

1 stop25h 34mAmerican Airlines

Deal found 10/9$1,879

Thu 23/1015:26SAT - SYD

1 stop24h 39mAmerican Airlines

Wed 5/1111:20SYD - SAT

1 stop20h 19mAmerican Airlines

Deal found 10/9$1,880

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 12 September 2025.

Wed 24/916:22SAT - SYD

2 stops23h 38mUnited Airlines

Wed 1/1010:20SYD - SAT

1 stop21h 57mUnited Airlines

Deal found 11/9$1,677

Thu 6/1119:30SAT - SYD

2 stops24h 30mMultiple Airlines

Thu 20/1114:00SYD - SAT

2 stops21h 46mMultiple Airlines

Deal found 10/9$1,758

Wed 11/312:24SAT - SYD

2 stops28h 21mAir New Zealand

Tue 17/319:15SYD - SAT

2 stops57h 48mAir New Zealand

Deal found 10/9$1,861

Sat 25/1015:26SAT - SYD

1 stop25h 34mAmerican Airlines

Sat 1/1111:20SYD - SAT

1 stop27h 22mAmerican Airlines

Deal found 10/9$1,876

Tue 4/1106:32SAT - SYD

2 stops30h 38mMultiple Airlines

Tue 18/1117:45SYD - SAT

1 stop37h 22mMultiple Airlines

Deal found 10/9$1,831

Thu 23/1015:26SAT - SYD

1 stop24h 39mAmerican Airlines

Wed 5/1111:20SYD - SAT

1 stop20h 19mAmerican Airlines

Deal found 12/9$1,880

Tue 3/216:34SAT - SYD

2 stops26h 56mMultiple Airlines

Wed 25/206:00SYD - SAT

2 stops33h 55mMultiple Airlines

Deal found 10/9$1,846

Sun 26/1018:39SAT - SYD

2 stops22h 21mAmerican Airlines

Sun 2/1111:20SYD - SAT

2 stops22h 40mAmerican Airlines

Deal found 11/9$1,883

Sat 25/1006:40SAT - SYD

2 stops32h 50mMultiple Airlines

Sat 1/1117:45SYD - SAT

1 stop37h 02mMultiple Airlines

Deal found 10/9$1,880

Wed 5/1114:31SAT - SYD

2 stops25h 29mAmerican Airlines

Wed 19/1111:20SYD - SAT

2 stops23h 40mAmerican Airlines

Deal found 10/9$1,883

Last-minute flights from San Antonio to Sydney
Discover last-minute flight deals from San Antonio to Sydney. Data last updated 12 September 2025 and is based on user searches.

Wed 24/916:22SAT - SYD

2 stops23h 38mUnited Airlines

Wed 1/1010:20SYD - SAT

1 stop21h 57mUnited Airlines

Deal found 11/9$1,677

Wed 24/907:00SAT - SYD

1 stop33h 05mAmerican Airlines

Wed 1/1009:10SYD - SAT

1 stop25h 17mAmerican Airlines

Deal found 11/9$1,891

Wed 15/1016:37SAT - SYD

1 stop22h 18mAmerican Airlines

Wed 29/1013:05SYD - SAT

1 stop25h 34mAmerican Airlines

Deal found 10/9$1,879

Sat 18/1015:26SAT - SYD

1 stop24h 39mAmerican Airlines

Wed 29/1011:20SYD - SAT

1 stop19h 33mAmerican Airlines

Deal found 11/9$1,877

Thu 23/1015:26SAT - SYD

1 stop24h 39mAmerican Airlines

Wed 5/1111:20SYD - SAT

1 stop20h 19mAmerican Airlines

Deal found 10/9$1,880

Sat 25/1018:40SAT - SYD

2 stops26h 05mFiji Airways

Sat 1/1106:00SYD - SAT

2 stops29h 43mFiji Airways

Deal found 10/9$1,816

Sat 25/1015:26SAT - SYD

1 stop25h 34mAmerican Airlines

Sat 1/1111:20SYD - SAT

1 stop27h 22mAmerican Airlines

Deal found 10/9$1,876

Sun 26/1006:32SAT - SYD

2 stops32h 53mMultiple Airlines

Sun 2/1117:45SYD - SAT

1 stop37h 02mMultiple Airlines

Deal found 11/9$1,855

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 24/9

16:22-07:00

2 stops23h 38m

Sydney Kingsford Smith

Wed 1/10

10:20-17:17

1 stop21h 57m

$1,677

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 6/11

19:30-13:00

2 stops24h 30m

Sydney Kingsford Smith

Thu 20/11

14:00-18:46

2 stops21h 46m

$1,758

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 4/11

06:32-06:10

2 stops30h 38m

Sydney Kingsford Smith

Tue 18/11

17:45-14:07

1 stop37h 22m

$1,831

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 3/2

16:34-12:30

2 stops26h 56m

Sydney Kingsford Smith

Wed 25/2

06:00-22:55

2 stops33h 55m

$1,846

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 11/3

12:24-08:45

2 stops28h 21m

Sydney Kingsford Smith

Tue 17/3

19:15-13:03

2 stops57h 48m

$1,861

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 25/10

15:26-09:00

1 stop25h 34m

Sydney Kingsford Smith

Sat 1/11

11:20-22:42

1 stop27h 22m

$1,876

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 23/10

15:26-08:05

1 stop24h 39m

Sydney Kingsford Smith

Wed 5/11

11:20-14:39

1 stop20h 19m

$1,880

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 25/10

06:40-07:30

2 stops32h 50m

Sydney Kingsford Smith

Sat 1/11

17:45-14:47

1 stop37h 02m

$1,880

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 26/10

18:39-09:00

2 stops22h 21m

Sydney Kingsford Smith

Sun 2/11

11:20-18:00

2 stops22h 40m

$1,883

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 5/11

14:31-09:00

2 stops25h 29m

Sydney Kingsford Smith

Wed 19/11

11:20-18:00

2 stops23h 40m

$1,883

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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?

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.

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 23h 38m. 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, 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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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 $1,677

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. 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

Round-trip from

Popular in

Cheapest in

Average price

Find 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 12 September 2025.

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 12 September 2025.

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

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?

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

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?

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?

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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 12 September 2025.