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Cheap flights from San Antonio to Australia 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 Australia 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:33 pm - 8:30 amSAT-SYD
24h 57m2 stops
Delta Logo
10:40 am - 2:44 pmSYD-SAT
21h 04m1 stop
$990Delta
Find Deal
Sun, Feb 15 - Thu, Feb 19
Qantas Airways Logo
3:21 pm - 9:00 amSAT-SYD
24h 39m1 stop
Qantas Airways Logo
2:35 pm - 10:51 pmSYD-SAT
49h 16m2 stops
$1,004Qantas Airways
Find Deal
Sun, Feb 15 - Thu, Feb 19
Qantas Airways Logo
2:35 pm - 7:25 amSAT-SYD
23h 50m1 stop
Qantas Airways Logo
7:15 pm - 5:31 pmSYD-SAT
39h 16m2 stops
$1,010Qantas Airways
Find Deal
Tue, Jan 20 - Mon, Jan 26
Delta Logo
4:40 pm - 8:20 amSAT-BNE
23h 40m1 stop
Delta Logo
10:40 am - 2:44 pmBNE-SAT
20h 04m1 stop
$1,037Delta
Find Deal
Mon, Feb 9 - Fri, Feb 13
Multiple Airlines Logo
3:41 pm - 9:25 amSAT-ADL
26h 14m2 stops
Multiple Airlines Logo
6:00 am - 2:33 pmADL-SAT
23h 03m2 stops
$1,162Multiple Airlines
Find Deal
Wed, Apr 1 - Wed, Apr 29
Multiple Airlines Logo
3:41 pm - 9:25 amSAT-ADL
26h 14m2 stops
Multiple Airlines Logo
6:00 am - 2:33 pmADL-SAT
23h 03m2 stops
$1,163Multiple Airlines
Find Deal
Wed, Apr 1 - Tue, Apr 14
United Airlines Logo
9:58 am - 9:30 amSAT-ADL
31h 02m2 stops
United Airlines Logo
1:55 pm - 9:25 pmADL-SAT
23h 00m2 stops
$1,166United Airlines
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Mon, Feb 16 - Mon, Mar 9
United Airlines Logo
7:23 am - 9:30 amSAT-ADL
33h 37m1 stop
United Airlines Logo
1:55 pm - 9:59 pmADL-SAT
23h 34m1 stop
$1,171United Airlines
Find Deal
Mon, Feb 16 - Mon, Mar 9
American Airlines Logo
1:08 pm - 6:55 amSAT-SYD
24h 47m1 stop
American Airlines Logo
2:05 pm - 4:45 pmSYD-SAT
19h 40m1 stop
$1,234American Airlines
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Tue, Jan 20 - Mon, Jan 26
American Airlines Logo
4:40 pm - 9:00 amSAT-SYD
23h 20m2 stops
American Airlines Logo
11:20 am - 4:45 pmSYD-SAT
22h 25m2 stops
$1,237American Airlines
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Tue, Jan 20 - Mon, Jan 26

Qantas Airways flights from San Antonio to Australia

Our best Qantas Airways deals on San Antonio to Australia flight tickets
Qantas Airways
Feb 15
SAT3:21 pmSan Antonio
24h 39m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 19
SYD2:35 pmSydney Kingsford Smith
49h 16m
2 stops
SAT10:51 pmSan Antonio
$1,004
Find similar
Qantas Airways
Jan 20
SAT2:35 pmSan Antonio
23h 50m
1 stop
SYD7:25 amSydney Kingsford Smith
Jan 26
SYD7:15 pmSydney Kingsford Smith
39h 16m
2 stops
SAT5:31 pmSan Antonio
$1,010
Find similar
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

American Airlines flights from San Antonio to Australia

Our best American Airlines deals on San Antonio to Australia flight tickets
American Airlines
Jan 20
SAT1:08 pmSan Antonio
24h 47m
1 stop
SYD6:55 amSydney Kingsford Smith
Jan 26
SYD2:05 pmSydney Kingsford Smith
19h 40m
1 stop
SAT4:45 pmSan Antonio
$1,234
Find similar
American Airlines
Jan 20
SAT4:40 pmSan Antonio
23h 20m
2 stops
SYD9:00 amSydney Kingsford Smith
Jan 26
SYD11:20 amSydney Kingsford Smith
22h 25m
2 stops
SAT4:45 pmSan Antonio
$1,237
Find similar
American Airlines
Apr 8
SAT3:30 pmSan Antonio
22h 30m
2 stops
BNE5:00 amBrisbane
Apr 13
BNE8:35 pmBrisbane
26h 38m
2 stops
SAT8:13 amSan Antonio
$1,238
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Australia 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 December 3, 2025.
Use the filters below to find and compare flights from San Antonio to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 2/15

2:33 pm-8:30 am

2 stops24h 57m

Sydney Kingsford Smith

Thu 2/19

10:40 am-2:44 pm

1 stop21h 04m

$990

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Sun 2/15

3:21 pm-9:00 am

1 stop24h 39m

Sydney Kingsford Smith

Thu 2/19

2:35 pm-10:51 pm

2 stops49h 16m

$1,004

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/20

2:35 pm-7:25 am

1 stop23h 50m

Sydney Kingsford Smith

Mon 1/26

7:15 pm-5:31 pm

2 stops39h 16m

$1,010

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Mon 2/9

4:40 pm-8:20 am

1 stop23h 40m

Brisbane

Fri 2/13

10:40 am-2:44 pm

1 stop20h 04m

$1,037

San AntonioAdelaide

SAT - ADL

SATADL

San Antonio

Wed 4/1

3:41 pm-9:25 am

2 stops26h 14m

Adelaide

Wed 4/29

6:00 am-2:33 pm

2 stops23h 03m

$1,162

San AntonioAdelaide

SAT - ADL

SATADL

San Antonio

Wed 4/1

3:41 pm-9:25 am

2 stops26h 14m

Adelaide

Tue 4/14

6:00 am-2:33 pm

2 stops23h 03m

$1,163

San AntonioAdelaide

SAT - ADL

SATADL

San Antonio

Mon 2/16

9:58 am-9:30 am

2 stops31h 02m

Adelaide

Mon 3/9

1:55 pm-9:25 pm

2 stops23h 00m

$1,166

San AntonioAdelaide

SAT - ADL

SATADL

San Antonio

Mon 2/16

7:23 am-9:30 am

1 stop33h 37m

Adelaide

Mon 3/9

1:55 pm-9:59 pm

1 stop23h 34m

$1,171

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/20

1:08 pm-6:55 am

1 stop24h 47m

Sydney Kingsford Smith

Mon 1/26

2:05 pm-4:45 pm

1 stop19h 40m

$1,234

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Tue 1/20

4:40 pm-9:00 am

2 stops23h 20m

Sydney Kingsford Smith

Mon 1/26

11:20 am-4:45 pm

2 stops22h 25m

$1,237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

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 Australia?

The month of March is, on average, the cheapest month to fly to Australia from San Antonio, with most prices found around $1,009. If you aren’t able to travel during the month of March, then book flights to Australia from San Antonio during May instead. Flights to Australia in May, while not as cheap as those in March, still average around $1,173.

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

The cheapest day to depart from San Antonio to Australia is on a Wednesday. Travelers who choose to depart for Australia on a Wednesday will often find tickets for as low as $1,301. On the other hand, Friday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,517.

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

Flying to Australia from San Antonio in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,101 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,393 on average. Flights to Australia from San Antonio in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Australia from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia 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 Australia from San Antonio for as low as $967 on momondo.

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

You could potentially save up to 35% on your flight if you consider stops on a San Antonio to Australia flight.

Cheap San Antonio to Australia flight deals and tips

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

Fastest flight time

21h 45m

Direct flights

None
The fastest flight from San Antonio to Australia takes 21h 45m
There are no direct flights from San Antonio to Australia. There are no popular flight routes from San Antonio to Australia.
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  • When did momondo last update prices for flights from San Antonio Airport to Australia?

    Prices for flights from San Antonio Airport to Australia are updated daily.

  • How many operators does momondo search for flights from San Antonio Airport to Australia?

  • How old do you have to be to fly from San Antonio Airport to Australia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to Australia

Compare and see reviews for airlines that fly from San Antonio to Australia with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $799Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights
DeltaPriceFrom $839Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $867Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $926Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find San Antonio to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.

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

momondo does allow users to show only those flights to Australia from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Antonio and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of San Antonio to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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