What airlines fly to Sydney?

United Airlines, American Airlines and Qantas Airways are the top three most popular airlines that fly to Sydney from San Antonio according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from San Antonio to Sydney?

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $5,064.

Which airport is the most popular layover for flights between San Antonio and Sydney?

Dallas (DFW) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from San Antonio to Sydney?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 20h 54m.

What is the cheapest airline that flies from San Antonio to Sydney Kingsford Smith?

Qantas Airways, Delta, and United Airlines are the most popular carriers operating from San Antonio to Sydney Kingsford Smith

Which layover airport has the shortest connection time from San Antonio to Sydney?

Dallas (DFW) has the shortest average layover time for this route: 2h 17m.

When did momondo last update prices for flights from San Antonio Airport to Sydney Kingsford Smith Airport?

Prices for flights from San Antonio Airport to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from San Antonio Airport to Sydney Kingsford Smith Airport?

As of December 2025, there are 4 operators available to choose from for flights from San Antonio Airport to Sydney Kingsford Smith Airport.

How old do you have to be to fly from San Antonio Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$238 Cheap Flights from San Antonio to Sydney in 2025/26

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8:00 am - 6:50 amSAT-SYD

29h 50m2 stops

10:40 am - 5:04 pmSYD-SAT

23h 24m2 stops

$990Delta

Find Deal

Sun, Feb 15 - Thu, Feb 19

4:10 pm - 6:35 amSAT-SYD

23h 25m1 stop

9:25 am - 2:42 pmSYD-SAT

20h 17m1 stop

$1,007Delta

Find Deal

Fri, May 1 - Thu, May 7

2:33 pm - 6:50 amSAT-SYD

23h 17m2 stops

9:40 am - 12:32 amSYD-SAT

30h 52m2 stops

$1,012Delta

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Sat, Feb 28 - Fri, Mar 13

3:21 pm - 9:00 amSAT-SYD

24h 39m1 stop

11:20 am - 11:15 pmSYD-SAT

27h 55m1 stop

$1,113Qantas Airways

Find Deal

Sat, Feb 28 - Fri, Mar 13

2:35 pm - 7:25 amSAT-SYD

23h 50m1 stop

5:45 pm - 10:54 pmSYD-SAT

22h 09m1 stop

$1,145Qantas Airways

Find Deal

Thu, Jan 15 - Thu, Jan 22

2:35 pm - 7:25 amSAT-SYD

23h 50m1 stop

5:45 pm - 10:54 pmSYD-SAT

22h 09m1 stop

$1,146Multiple Airlines

Find Deal

Tue, Jan 13 - Wed, Jan 21

5:50 pm - 7:00 amSAT-SYD

21h 10m1 stop

11:50 am - 3:33 pmSYD-SAT

19h 43m1 stop

$1,211United Airlines

Find Deal

Sun, Mar 8 - Fri, Mar 20

4:40 pm - 9:05 amSAT-SYD

24h 25m2 stops

10:20 am - 3:33 pmSYD-SAT

21h 13m2 stops

$1,216United Airlines

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Sun, Mar 8 - Fri, Mar 20

2:35 pm - 7:25 amSAT-SYD

23h 50m1 stop

5:30 pm - 10:54 pmSYD-SAT

22h 24m2 stops

$1,224Qantas Airways

Find Deal

Tue, Jan 13 - Wed, Jan 21

1:38 pm - 7:25 amSAT-SYD

24h 47m2 stops

11:20 am - 3:45 pmSYD-SAT

21h 25m2 stops

$1,238American Airlines

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Tue, Jan 13 - Wed, Jan 21

Qantas Airways flights from San Antonio to Sydney

Our best Qantas Airways deals on San Antonio to Sydney flight tickets

Qantas Airways

Feb 28

SAT3:21 pmSan Antonio

23h 04m

1 stop

SYD7:25 amSydney Kingsford Smith

Mar 13

SYD11:20 amSydney Kingsford Smith

27h 55m

1 stop

SAT11:15 pmSan Antonio

$1,113

Find similar

Qantas Airways

Jan 15

SAT2:35 pmSan Antonio

23h 50m

1 stop

SYD7:25 amSydney Kingsford Smith

Jan 22

SYD5:45 pmSydney Kingsford Smith

22h 09m

1 stop

SAT10:54 pmSan Antonio

$1,145

Find similar

Qantas Airways

Feb 28

SAT4:47 pmSan Antonio

32h 38m

2 stops

SYD6:25 pmSydney Kingsford Smith

Mar 13

SYD11:20 amSydney Kingsford Smith

27h 55m

1 stop

SAT11:15 pmSan Antonio

$1,187

Find similar

United Airlines flights from San Antonio to Sydney

Our best United Airlines deals on San Antonio to Sydney flight tickets

United Airlines

Mar 8

SAT5:50 pmSan Antonio

21h 10m

1 stop

SYD7:00 amSydney Kingsford Smith

Mar 20

SYD11:50 amSydney Kingsford Smith

19h 43m

1 stop

SAT3:33 pmSan Antonio

$1,211

Find similar

United Airlines

Feb 28

SAT4:45 pmSan Antonio

45h 15m

2 stops

SYD7:00 amSydney Kingsford Smith

Mar 13

SYD12:10 pmSydney Kingsford Smith

25h 15m

2 stops

SAT9:25 pmSan Antonio

$1,216

Find similar

United Airlines

Feb 28

SAT11:43 amSan Antonio

26h 17m

1 stop

SYD7:00 amSydney Kingsford Smith

Mar 13

SYD11:50 amSydney Kingsford Smith

19h 43m

1 stop

SAT3:33 pmSan Antonio

$1,261

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 2/15

8:00 am-6:50 am

2 stops29h 50m

Sydney Kingsford Smith

Thu 2/19

10:40 am-5:04 pm

2 stops23h 24m

$990

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Fri 5/1

4:10 pm-6:35 am

1 stop23h 25m

Sydney Kingsford Smith

Thu 5/7

9:25 am-2:42 pm

1 stop20h 17m

$1,007

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 2/28

2:33 pm-6:50 am

2 stops23h 17m

Sydney Kingsford Smith

Fri 3/13

9:40 am-12:32 am

2 stops30h 52m

$1,012

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 2/28

3:21 pm-9:00 am

1 stop24h 39m

Sydney Kingsford Smith

Fri 3/13

11:20 am-11:15 pm

1 stop27h 55m

$1,113

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 1/15

2:35 pm-7:25 am

1 stop23h 50m

Sydney Kingsford Smith

Thu 1/22

5:45 pm-10:54 pm

1 stop22h 09m

$1,145

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/13

2:35 pm-7:25 am

1 stop23h 50m

Sydney Kingsford Smith

Wed 1/21

5:45 pm-10:54 pm

1 stop22h 09m

$1,146

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 3/8

5:50 pm-7:00 am

1 stop21h 10m

Sydney Kingsford Smith

Fri 3/20

11:50 am-3:33 pm

1 stop19h 43m

$1,211

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 3/8

4:40 pm-9:05 am

2 stops24h 25m

Sydney Kingsford Smith

Fri 3/20

10:20 am-3:33 pm

2 stops21h 13m

$1,216

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/13

2:35 pm-7:25 am

1 stop23h 50m

Sydney Kingsford Smith

Wed 1/21

5:30 pm-10:54 pm

2 stops22h 24m

$1,224

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/13

1:38 pm-7:25 am

2 stops24h 47m

Sydney Kingsford Smith

Wed 1/21

11:20 am-3:45 pm

2 stops21h 25m

$1,238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from San Antonio to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,009. If you are unable to visit Sydney during the month of March, then departing from San Antonio during the month May is also very affordable. Most momondo users find prices during this month for around $1,173.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from San Antonio to Sydney is on a Wednesday when prices can be found for as low as $1,301. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,517.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from San Antonio to Sydney in the evening for as low as $1,101. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,393. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Sydney from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from San Antonio for as low as $967 on momondo.

Can stopping save me money on San Antonio to Sydney flights?

You could potentially save up to 51% on your flight if you consider stops on a San Antonio to Sydney flight.

When to book flights from San Antonio to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Antonio to Sydney (SAT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Sydney

Fastest flight time	23h 15m
Direct flights	None

The fastest flight from San Antonio to Sydney takes 23h 15m

There are no direct flights from San Antonio to Sydney. There are no popular flight routes from San Antonio to Sydney.

Search flight deals

How far is San Antonio to Sydney Kingsford Smith by plane?
A flight from San Antonio to Sydney Kingsford Smith will travel around 8399.3 mi. Typically, this will take 19h 36m by plane in normal conditions.
When did momondo last update prices for flights from San Antonio Airport to Sydney Kingsford Smith Airport?
Prices for flights from San Antonio Airport to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from San Antonio Airport to Sydney Kingsford Smith Airport?
As of December 2025, there are 4 operators available to choose from for flights from San Antonio Airport to Sydney Kingsford Smith Airport.
How old do you have to be to fly from San Antonio Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Antonio to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Antonio to Sydney is United Airlines (50% of total bookings). The next most popular airlines are American Airlines (23%), Delta (19%), and Qantas Airways (8%).

Best airlines flying from San Antonio to Sydney

Compare and see reviews for airlines that fly from San Antonio to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $799	Free Cancellation	Rating 7.5 946 reviews	Search Qantas Airways flights
Delta	PriceFrom $839	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
American Airlines	PriceFrom $867	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
United Airlines	PriceFrom $926	Free Cancellation	Rating 7.4 9,065 reviews	Search United Airlines flights

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Katoomba

Wollongong

Randwick

Coogee

Manly

Penrith

Cronulla

Lithgow

Leura

Charlestown

Terrigal

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Antonio to Sydney with flexible booking policies on momondo?

Flights from San Antonio to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Antonio to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Sydney.

I’m not ready to book a flight from San Antonio to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from San Antonio to Sydney from $614

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Sydney departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from San Antonio to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from San Antonio to Sydney is on a Wednesday when prices can be found for as low as $1,301. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,517.

What is the cheapest time of day to depart on your flight to Sydney?

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

Can stopping save me money on San Antonio to Sydney flights?

You could potentially save up to 51% on your flight if you consider stops on a San Antonio to Sydney flight.

What is the cheapest airline that flies from San Antonio to Sydney Kingsford Smith?

Qantas Airways, Delta, and United Airlines are the most popular carriers operating from San Antonio to Sydney Kingsford Smith

What airlines fly to Sydney?

Which airport is the most popular layover for flights between San Antonio and Sydney?

Dallas (DFW) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Antonio to Sydney?

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $5,064.

Which layover airport has the shortest travel time from San Antonio to Sydney?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 20h 54m.

Which layover airport has the shortest connection time from San Antonio to Sydney?

Dallas (DFW) has the shortest average layover time for this route: 2h 17m.

When to book flights from San Antonio to Sydney

Cheap San Antonio to Sydney (SAT to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Sydney

Fastest flight time

Direct flights

How far is San Antonio to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from San Antonio Airport to Sydney Kingsford Smith Airport?

How many operators does momondo search for flights from San Antonio Airport to Sydney Kingsford Smith Airport?

How old do you have to be to fly from San Antonio Airport to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular airline from San Antonio to Sydney?

Best airlines flying from San Antonio to Sydney

Compare and see reviews for airlines that fly from San Antonio to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Sydney?

Can I find flights from San Antonio to Sydney with flexible booking policies on momondo?

How can momondo help me find flights from San Antonio to Sydney?

I’m not ready to book a flight from San Antonio to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales