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Cheap flights from San Antonio to Sydney from $623

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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Antonio to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
11:45 am - 10:35 amSAT  San Antonio-SYD Sydney Kingsford Smith
30h 50m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
11:50 am - 1:16 pmSYD  Sydney Kingsford Smith-SAT San Antonio
42h 26m2 stops Auckland Intl Houston George Bush Intcntl
$1,186Air New Zealand
Mon, Oct 26 - Tue, Nov 17
Qantas Airways Logo
4:34 pm - 8:05 amSAT  San Antonio-SYD Sydney Kingsford Smith
23h 31m1 stop Los Angeles Los Angeles
Qantas Airways Logo
11:05 am - 4:09 pmSYD  Sydney Kingsford Smith-SAT San Antonio
22h 04m2 stops Brisbane Los Angeles Los Angeles
$1,214Qantas Airways
Wed, Oct 21 - Sun, Nov 15
Multiple Airlines Logo
5:43 pm - 6:55 amSAT  San Antonio-SYD Sydney Kingsford Smith
21h 12m1 stop Dallas/Fort Worth
Multiple Airlines Logo
10:25 am - 4:09 pmSYD  Sydney Kingsford Smith-SAT San Antonio
22h 44m2 stops Brisbane Los Angeles Los Angeles
$1,216Multiple Airlines
Mon, Oct 26 - Tue, Nov 17
Qantas Airways Logo
4:34 pm - 10:20 amSAT  San Antonio-SYD Sydney Kingsford Smith
25h 46m2 stops Los Angeles Los Angeles Brisbane
Qantas Airways Logo
1:05 pm - 3:38 pmSYD  Sydney Kingsford Smith-SAT San Antonio
18h 33m1 stop Dallas/Fort Worth
$1,216Qantas Airways
Tue, Oct 20 - Thu, Oct 29
United Airlines Logo
1:45 pm - 6:55 amSAT  San Antonio-SYD Sydney Kingsford Smith
26h 10m2 stops Denver Intl San Francisco
United Airlines Logo
9:30 am - 7:58 pmSYD  Sydney Kingsford Smith-SAT San Antonio
25h 28m2 stops Los Angeles Los Angeles Houston George Bush Intcntl
$1,237United Airlines
Sun, Aug 30 - Sun, Sep 6
American Airlines Logo
2:57 pm - 7:30 amSAT  San Antonio-SYD Sydney Kingsford Smith
25h 33m1 stop Los Angeles Los Angeles
American Airlines Logo
9:10 am - 2:22 pmSYD  Sydney Kingsford Smith-SAT San Antonio
20h 12m1 stop Los Angeles Los Angeles
$1,244American Airlines
Sun, Aug 30 - Sun, Sep 6
American Airlines Logo
7:10 pm - 7:05 amSAT  San Antonio-SYD Sydney Kingsford Smith
20h 55m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles
American Airlines Logo
5:50 pm - 11:59 pmSYD  Sydney Kingsford Smith-SAT San Antonio
21h 09m1 stop Los Angeles Los Angeles
$1,248American Airlines
Sun, Aug 30 - Sun, Sep 6
United Airlines Logo
5:59 pm - 7:00 amSAT  San Antonio-SYD Sydney Kingsford Smith
46h 01m2 stops Houston George Bush Intcntl Los Angeles Los Angeles
United Airlines Logo
10:20 am - 5:56 pmSYD  Sydney Kingsford Smith-SAT San Antonio
22h 36m1 stop San Francisco
$1,306United Airlines
Sat, Aug 15 - Sat, Sep 5
Delta Logo
5:00 pm - 8:30 amSAT  San Antonio-SYD Sydney Kingsford Smith
22h 30m1 stop Los Angeles Los Angeles
Delta Logo
10:40 am - 2:52 pmSYD  Sydney Kingsford Smith-SAT San Antonio
21h 12m1 stop Los Angeles Los Angeles
$1,307Delta
Tue, Dec 1 - Tue, Dec 15
Delta Logo
5:00 pm - 8:30 amSAT  San Antonio-SYD Sydney Kingsford Smith
22h 30m1 stop Los Angeles Los Angeles
Delta Logo
10:40 am - 2:39 pmSYD  Sydney Kingsford Smith-SAT San Antonio
20h 59m1 stop Los Angeles Los Angeles
$1,307Delta
Tue, Dec 8 - Tue, Dec 22

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Air New Zealand flights from San Antonio to Sydney

Our best Air New Zealand deals on San Antonio to Sydney flight tickets
Air New Zealand
Oct 26
SAT11:45 amSan Antonio
30h 50m
2 stops
SYD10:35 amSydney Kingsford Smith
Nov 17
SYD11:50 amSydney Kingsford Smith
42h 26m
2 stops
SAT1:16 pmSan Antonio
$1,186
Air New Zealand
Oct 20
SAT7:45 amSan Antonio
33h 00m
2 stops
SYD8:45 amSydney Kingsford Smith
Oct 29
SYD9:55 amSydney Kingsford Smith
29h 57m
2 stops
SAT11:52 pmSan Antonio
$1,228
Air New Zealand
Dec 8
SAT2:15 pmSan Antonio
25h 20m
2 stops
SYD8:35 amSydney Kingsford Smith
Dec 22
SYD11:50 amSydney Kingsford Smith
24h 30m
2 stops
SAT7:20 pmSan Antonio
$1,236

Qantas Airways flights from San Antonio to Sydney

Our best Qantas Airways deals on San Antonio to Sydney flight tickets
Qantas Airways
Oct 21
SAT4:34 pmSan Antonio
23h 31m
1 stop
SYD8:05 amSydney Kingsford Smith
Nov 15
SYD11:05 amSydney Kingsford Smith
22h 04m
2 stops
SAT4:09 pmSan Antonio
$1,214
Qantas Airways
Oct 20
SAT4:34 pmSan Antonio
25h 46m
2 stops
SYD10:20 amSydney Kingsford Smith
Oct 29
SYD1:05 pmSydney Kingsford Smith
18h 33m
1 stop
SAT3:38 pmSan Antonio
$1,216
Qantas Airways
Oct 21
SAT4:34 pmSan Antonio
24h 41m
2 stops
SYD9:15 amSydney Kingsford Smith
Oct 29
SYD11:20 amSydney Kingsford Smith
20h 44m
1 stop
SAT4:04 pmSan Antonio
$1,225

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 5, 2026.
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 round-trip

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Mon 10/26

11:45 am-10:35 am

2 stops30h 50m

Sydney Kingsford Smith

Tue 11/17

11:50 am-1:16 pm

2 stops42h 26m

$1,186

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Wed 10/21

4:34 pm-8:05 am

1 stop23h 31m

Sydney Kingsford Smith

Sun 11/15

11:05 am-4:09 pm

2 stops22h 04m

$1,214

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Mon 10/26

5:43 pm-6:55 am

1 stop21h 12m

Sydney Kingsford Smith

Tue 11/17

10:25 am-4:09 pm

2 stops22h 44m

$1,216

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Tue 10/20

4:34 pm-10:20 am

2 stops25h 46m

Sydney Kingsford Smith

Thu 10/29

1:05 pm-3:38 pm

1 stop18h 33m

$1,216

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sun 8/30

1:45 pm-6:55 am

2 stops26h 10m

Sydney Kingsford Smith

Sun 9/6

9:30 am-7:58 pm

2 stops25h 28m

$1,237

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sun 8/30

2:57 pm-7:30 am

1 stop25h 33m

Sydney Kingsford Smith

Sun 9/6

9:10 am-2:22 pm

1 stop20h 12m

$1,244
Quickest round-trip

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sun 8/30

7:10 pm-7:05 am

2 stops20h 55m

Sydney Kingsford Smith

Sun 9/6

5:50 pm-11:59 pm

1 stop21h 09m

$1,248

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Sat 8/15

5:59 pm-7:00 am

2 stops46h 01m

Sydney Kingsford Smith

Sat 9/5

10:20 am-5:56 pm

1 stop22h 36m

$1,306

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Tue 12/1

5:00 pm-8:30 am

1 stop22h 30m

Sydney Kingsford Smith

Tue 12/15

10:40 am-2:52 pm

1 stop21h 12m

$1,307

San AntonioSydney

SAT San Antonio - SYD Sydney Kingsford Smith

SATSYD

San Antonio

Tue 12/8

5:00 pm-8:30 am

1 stop22h 30m

Sydney Kingsford Smith

Tue 12/22

10:40 am-2:39 pm

1 stop20h 59m

$1,307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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, January 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 $964. If you are unable to visit Sydney during the month of January, then departing from San Antonio during the month October is also very affordable. Most momondo users find prices during this month for around $1,224.

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

You could potentially save up to 45% 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

20h 03m

Direct flights

None
The fastest flight from San Antonio to Sydney takes 20h 03m
There are no direct flights from San Antonio to Sydney. There are no popular flight routes from San Antonio to Sydney.
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Frequently asked questions about flying from San Antonio to Sydney

  • 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 03m 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
DeltaPriceFrom $511Free CancellationRating
7.8
8,492 reviews
Search Delta flights
Qantas AirwaysPriceFrom $912Free CancellationRating
7.5
1,079 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $962Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,216Free CancellationRating
7.1
11,863 reviews
Search American Airlines flights

Traveling to a place near Sydney?

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Parramatta
Bondi Beach
Wollongong
Penrith
Katoomba
Leura
Cronulla
Randwick
Manly
Lithgow
Coogee
Terrigal
Charlestown
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.

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