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Cheap flights from San Antonio to Sydney from $565

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 10/30. 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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0 bags

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Find the cheapest flights from San Antonio to Sydney

Cheap round-trip flights

United Airlines Logo
5:30 am - 6:55 amSAT-SYD
34h 25m3 stops
United Airlines Logo
10:20 am - 10:17 pmSYD-SAT
26h 57m1 stop
$1,100United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
United Airlines Logo
5:30 am - 6:55 amSAT-SYD
34h 25m3 stops
United Airlines Logo
10:20 am - 10:17 pmSYD-SAT
26h 57m1 stop
$1,101United Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 24
American Airlines Logo
10:16 am - 6:55 amSAT-SYD
29h 39m1 stop
American Airlines Logo
9:10 am - 7:27 pmSYD-SAT
25h 17m1 stop
$1,104American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 23
American Airlines Logo
12:44 pm - 6:55 amSAT-SYD
27h 11m1 stop
American Airlines Logo
9:10 am - 7:27 pmSYD-SAT
25h 17m1 stop
$1,105American Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 24
Fiji Airways Logo
7:30 pm - 1:00 pmSAT-SYD
24h 30m2 stops
Fiji Airways Logo
2:30 pm - 6:02 pmSYD-SAT
20h 32m2 stops
$1,116Fiji Airways
Find Deal
Thu, Nov 6 - Sat, Nov 15
Fiji Airways Logo
7:30 pm - 1:00 pmSAT-SYD
24h 30m2 stops
Fiji Airways Logo
6:00 am - 6:02 pmSYD-SAT
29h 02m2 stops
$1,148Fiji Airways
Find Deal
Thu, Nov 6 - Sat, Nov 15
Qantas Airways Logo
3:07 pm - 9:00 amSAT-SYD
24h 53m1 stop
Qantas Airways Logo
7:15 pm - 3:37 pmSYD-SAT
37h 22m2 stops
$1,160Qantas Airways
Find Deal
Thu, Nov 6 - Sat, Nov 15
Qantas Airways Logo
3:07 pm - 9:00 amSAT-SYD
24h 53m1 stop
Qantas Airways Logo
7:15 pm - 12:03 pmSYD-SAT
33h 48m2 stops
$1,241Qantas Airways
Find Deal
Thu, Nov 6 - Sat, Nov 15
Delta Logo
4:51 pm - 7:35 amSAT-SYD
22h 44m1 stop
Delta Logo
9:40 am - 2:26 pmSYD-SAT
20h 46m1 stop
$1,261Delta
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Sat, Oct 18 - Wed, Oct 29
Delta Logo
5:25 am - 7:35 amSAT-SYD
34h 10m2 stops
Delta Logo
9:40 am - 8:28 pmSYD-SAT
26h 48m2 stops
$1,265Delta
Find Deal
Sat, Oct 18 - Wed, Oct 29

United Airlines flights from San Antonio to Sydney

Our best United Airlines deals on San Antonio to Sydney flight tickets
United Airlines
Sep 15
SAT5:30 amSan Antonio
34h 25m
3 stops
SYD6:55 amSydney Kingsford Smith
Sep 22
SYD10:20 amSydney Kingsford Smith
26h 57m
1 stop
SAT10:17 pmSan Antonio
$1,100
Find similar
United Airlines
Sep 3
SAT5:30 amSan Antonio
34h 25m
3 stops
SYD6:55 amSydney Kingsford Smith
Sep 24
SYD10:20 amSydney Kingsford Smith
26h 57m
1 stop
SAT10:17 pmSan Antonio
$1,101
Find similar
United Airlines
Oct 23
SAT4:39 pmSan Antonio
23h 21m
2 stops
SYD8:00 amSydney Kingsford Smith
Nov 5
SYD11:20 amSydney Kingsford Smith
25h 17m
2 stops
SAT7:37 pmSan Antonio
$1,249
Find similar

American Airlines flights from San Antonio to Sydney

Our best American Airlines deals on San Antonio to Sydney flight tickets
American Airlines
Sep 2
SAT10:16 amSan Antonio
29h 39m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 23
SYD9:10 amSydney Kingsford Smith
25h 17m
1 stop
SAT7:27 pmSan Antonio
$1,104
Find similar
American Airlines
Sep 3
SAT12:44 pmSan Antonio
27h 11m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 24
SYD9:10 amSydney Kingsford Smith
25h 17m
1 stop
SAT7:27 pmSan Antonio
$1,105
Find similar
American Airlines
Sep 19
SAT3:04 pmSan Antonio
25h 01m
1 stop
SYD7:05 amSydney Kingsford Smith
Sep 27
SYD9:10 amSydney Kingsford Smith
24h 32m
2 stops
SAT6:42 pmSan Antonio
$1,108
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momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated August 2, 2025.
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

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 9/15

5:30 am-6:55 am

3 stops34h 25m

Sydney Kingsford Smith

Mon 9/22

10:20 am-10:17 pm

1 stop26h 57m

$1,100

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 9/3

5:30 am-6:55 am

3 stops34h 25m

Sydney Kingsford Smith

Wed 9/24

10:20 am-10:17 pm

1 stop26h 57m

$1,101

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 9/2

10:16 am-6:55 am

1 stop29h 39m

Sydney Kingsford Smith

Tue 9/23

9:10 am-7:27 pm

1 stop25h 17m

$1,104

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 9/3

12:44 pm-6:55 am

1 stop27h 11m

Sydney Kingsford Smith

Wed 9/24

9:10 am-7:27 pm

1 stop25h 17m

$1,105

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 11/6

7:30 pm-1:00 pm

2 stops24h 30m

Sydney Kingsford Smith

Sat 11/15

2:30 pm-6:02 pm

2 stops20h 32m

$1,116

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 11/6

7:30 pm-1:00 pm

2 stops24h 30m

Sydney Kingsford Smith

Sat 11/15

6:00 am-6:02 pm

2 stops29h 02m

$1,148

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 11/6

3:07 pm-9:00 am

1 stop24h 53m

Sydney Kingsford Smith

Sat 11/15

7:15 pm-3:37 pm

2 stops37h 22m

$1,160

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 11/6

3:07 pm-9:00 am

1 stop24h 53m

Sydney Kingsford Smith

Sat 11/15

7:15 pm-12:03 pm

2 stops33h 48m

$1,241

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 10/18

4:51 pm-7:35 am

1 stop22h 44m

Sydney Kingsford Smith

Wed 10/29

9:40 am-2:26 pm

1 stop20h 46m

$1,261

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sat 10/18

5:25 am-7:35 am

2 stops34h 10m

Sydney Kingsford Smith

Wed 10/29

9:40 am-8:28 pm

2 stops26h 48m

$1,265

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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?

In general, April 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 $1,011. If you are unable to visit Sydney during the month of April, then departing from San Antonio during the month March is also very affordable. Most momondo users find prices during this month for around $1,116.

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 $1,300 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 $1,029 on momondo.

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

You could potentially save up to 29% 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

Best Price Found

$565

Fastest flight time

20h 01m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from San Antonio in the past 72 hours is $565. The best round-trip flight deal from San Antonio to Sydney found on momondo in the last 72 hours is $1,100.
The fastest flight from San Antonio to Sydney takes 20h 01m
There are no direct flights from San Antonio to Sydney. Popular non-direct route for this connection is San Antonio Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • 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 20h 01m 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?

  • 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?

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
American AirlinesPriceFrom $867Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $892Free CancellationRating
7.5
887 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $926Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
DeltaPriceFrom $1,048Free CancellationRating
8.0
7,983 reviews
Search Delta flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Cronulla
Penrith
Manly
Charlestown
Lithgow
Swansea
Leura
Terrigal

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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