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Cheap flights from San Antonio to Australia from $539

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 4/5. 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.
Qantas Airways Logo
6:25 pm - 5:15 pmSAT-MEL
29h 50m2 stops
Qantas Airways Logo
12:00 pm - 11:03 pmMEL-SAT
28h 03m1 stop
$951Qantas Airways
Find Deal
Sat, Feb 21 - Sat, Mar 7
Delta Logo
4:10 pm - 7:25 amSAT-SYD
23h 15m1 stop
Delta Logo
1:15 pm - 11:17 pmSYD-SAT
26h 02m1 stop
$964Delta
Find Deal
Wed, Mar 11 - Tue, Mar 17
Delta Logo
6:45 am - 7:25 amSAT-SYD
32h 40m2 stops
Delta Logo
9:40 am - 10:19 pmSYD-SAT
28h 39m2 stops
$968Delta
Find Deal
Wed, Mar 11 - Tue, Mar 17
Delta Logo
4:10 pm - 7:25 amSAT-SYD
23h 15m1 stop
Delta Logo
9:40 am - 2:40 pmSYD-SAT
21h 00m1 stop
$985Delta
Find Deal
Mon, Mar 16 - Thu, Mar 19
Delta Logo
4:10 pm - 7:25 amSAT-SYD
23h 15m1 stop
Delta Logo
9:40 am - 2:40 pmSYD-SAT
21h 00m1 stop
$986Delta
Find Deal
Mon, Mar 16 - Thu, Mar 19
Multiple Airlines Logo
6:25 pm - 6:45 pmSAT-MEL
31h 20m2 stops
Multiple Airlines Logo
7:00 am - 6:02 pmMEL-SAT
28h 02m2 stops
$1,102Multiple Airlines
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Sat, Feb 21 - Sat, Mar 7
American Airlines Logo
1:40 pm - 5:00 amSAT-MEL
22h 20m1 stop
American Airlines Logo
4:05 pm - 6:02 pmMEL-SAT
18h 57m1 stop
$1,431American Airlines
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Sat, Feb 21 - Sat, Mar 7
Multiple Airlines Logo
1:06 pm - 7:25 amSAT-SYD
25h 19m2 stops
Multiple Airlines Logo
5:45 pm - 1:00 pmSYD-SAT
36h 15m1 stop
$1,434Multiple Airlines
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Thu, Dec 4 - Sun, Dec 7
Air New Zealand Logo
7:23 am - 9:25 amSAT-MEL
33h 02m2 stops
Air New Zealand Logo
12:10 pm - 10:47 amMEL-SAT
39h 37m2 stops
$2,098Air New Zealand
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Sat, Feb 14 - Wed, Feb 18
United Airlines Logo
2:13 pm - 7:30 amSAT-BNE
25h 17m2 stops
United Airlines Logo
7:05 am - 10:53 amBNE-SAT
43h 48m2 stops
$2,231United Airlines
Find Deal
Tue, Dec 30 - Tue, Jan 6

United Airlines flights from San Antonio to Australia

Our best United Airlines deals on San Antonio to Australia flight tickets
United Airlines
Dec 30
SAT2:13 pmSan Antonio
25h 52m
2 stops
SYD9:05 amSydney Kingsford Smith
Jan 6
SYD11:20 amSydney Kingsford Smith
25h 21m
2 stops
SAT7:41 pmSan Antonio
$1,867
Find similar
United Airlines
Dec 31
SAT2:13 pmSan Antonio
23h 47m
1 stop
SYD7:00 amSydney Kingsford Smith
Jan 7
SYD11:50 amSydney Kingsford Smith
18h 29m
1 stop
SAT1:19 pmSan Antonio
$1,948
Find similar
United Airlines
Dec 26
SAT2:13 pmSan Antonio
23h 47m
1 stop
SYD7:00 amSydney Kingsford Smith
Jan 8
SYD11:20 amSydney Kingsford Smith
21h 11m
2 stops
SAT3:31 pmSan Antonio
$1,967
Find similar

Delta flights from San Antonio to Australia

Our best Delta deals on San Antonio to Australia flight tickets
Delta
Mar 11
SAT4:10 pmSan Antonio
23h 15m
1 stop
SYD7:25 amSydney Kingsford Smith
Mar 17
SYD1:15 pmSydney Kingsford Smith
26h 02m
1 stop
SAT11:17 pmSan Antonio
$964
Find similar
Delta
Mar 11
SAT5:20 amSan Antonio
34h 05m
2 stops
SYD7:25 amSydney Kingsford Smith
Mar 17
SYD9:40 amSydney Kingsford Smith
28h 01m
2 stops
SAT9:41 pmSan Antonio
$968
Find similar
Delta
Mar 16
SAT4:10 pmSan Antonio
23h 15m
1 stop
SYD7:25 amSydney Kingsford Smith
Mar 19
SYD9:40 amSydney Kingsford Smith
21h 00m
1 stop
SAT2:40 pmSan Antonio
$985
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 November 17, 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 AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 2/21

6:25 pm-5:15 pm

2 stops29h 50m

Melbourne

Sat 3/7

12:00 pm-11:03 pm

1 stop28h 03m

$951

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 3/11

4:10 pm-7:25 am

1 stop23h 15m

Sydney Kingsford Smith

Tue 3/17

1:15 pm-11:17 pm

1 stop26h 02m

$964

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Wed 3/11

6:45 am-7:25 am

2 stops32h 40m

Sydney Kingsford Smith

Tue 3/17

9:40 am-10:19 pm

2 stops28h 39m

$968

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 3/16

4:10 pm-7:25 am

1 stop23h 15m

Sydney Kingsford Smith

Thu 3/19

9:40 am-2:40 pm

1 stop21h 00m

$985

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Mon 3/16

4:10 pm-7:25 am

1 stop23h 15m

Sydney Kingsford Smith

Thu 3/19

9:40 am-2:40 pm

1 stop21h 00m

$986

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 2/21

6:25 pm-6:45 pm

2 stops31h 20m

Melbourne

Sat 3/7

7:00 am-6:02 pm

2 stops28h 02m

$1,102

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 2/21

1:40 pm-5:00 am

1 stop22h 20m

Melbourne

Sat 3/7

4:05 pm-6:02 pm

1 stop18h 57m

$1,431

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

Thu 12/4

1:06 pm-7:25 am

2 stops25h 19m

Sydney Kingsford Smith

Sun 12/7

5:45 pm-1:00 pm

1 stop36h 15m

$1,434

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

Sat 2/14

7:23 am-9:25 am

2 stops33h 02m

Melbourne

Wed 2/18

12:10 pm-10:47 am

2 stops39h 37m

$2,098

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

Tue 12/30

2:13 pm-7:30 am

2 stops25h 17m

Brisbane

Tue 1/6

7:05 am-10:53 am

2 stops43h 48m

$2,231

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.

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

Direct flights

None
There are no direct flights from San Antonio to Australia. There are no popular flight routes from San Antonio to Australia.
Search flight deals

  • 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
American AirlinesPriceFrom $867Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
United AirlinesPriceFrom $926Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
Air New ZealandPriceFrom $971Free CancellationRating
8.0
527 reviews
Search Air New Zealand flights
DeltaPriceFrom $978Free CancellationRating
7.9
8,006 reviews
Search Delta 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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