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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 4/15. 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 Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:10 pm - 7:25 amSAT-SYD
23h 15m1 stop
Delta Logo
9:40 am - 2:40 pmSYD-SAT
21h 00m1 stop
$963Delta
Find Deal
mié., mar. 11 - mar., mar. 17
Delta Logo
6:17 pm - 6:50 amSAT-SYD
43h 33m2 stops
Delta Logo
10:40 am - 2:43 pmSYD-SAT
21h 03m1 stop
$967Delta
Find Deal
sáb., ene. 17 - dom., feb. 1
American Airlines Logo
2:39 pm - 5:00 amSAT-BNE
23h 21m2 stops
American Airlines Logo
8:05 pm - 8:13 amBNE-SAT
27h 08m2 stops
$1,439American Airlines
Find Deal
lun., mar. 9 - lun., abr. 6
American Airlines Logo
3:15 pm - 5:00 amSAT-BNE
22h 45m1 stop
American Airlines Logo
8:05 pm - 2:33 pmBNE-SAT
33h 28m1 stop
$1,445American Airlines
Find Deal
lun., mar. 9 - lun., abr. 6
Qantas Airways Logo
7:30 pm - 3:35 pmSAT-MEL
27h 05m2 stops
Qantas Airways Logo
6:45 am - 10:58 pmMEL-SAT
33h 13m2 stops
$1,499Qantas Airways
Find Deal
dom., nov. 30 - dom., dic. 14
Multiple Airlines Logo
6:00 pm - 6:45 pmSAT-MEL
31h 45m2 stops
Multiple Airlines Logo
7:00 am - 7:15 pmMEL-SAT
29h 15m2 stops
$1,657Multiple Airlines
Find Deal
sáb., ene. 3 - sáb., ene. 10
Qantas Airways Logo
7:30 pm - 3:35 pmSAT-MEL
27h 05m2 stops
Qantas Airways Logo
12:00 pm - 10:58 pmMEL-SAT
27h 58m1 stop
$1,685Qantas Airways
Find Deal
dom., nov. 30 - dom., dic. 14
Multiple Airlines Logo
3:15 pm - 11:05 amSAT-BNE
28h 50m2 stops
Multiple Airlines Logo
8:05 am - 5:42 pmBNE-SAT
24h 37m3 stops
$1,706Multiple Airlines
Find Deal
lun., mar. 9 - lun., abr. 6
United Airlines Logo
9:30 am - 2:10 pmSAT-ADL
36h 10m2 stops
United Airlines Logo
11:35 am - 9:55 pmADL-SAT
50h 50m2 stops
$2,385United Airlines
Find Deal
mar., feb. 17 - sáb., feb. 21
United Airlines Logo
9:30 am - 2:10 pmSAT-ADL
36h 10m2 stops
United Airlines Logo
2:55 pm - 9:55 pmADL-SAT
23h 30m1 stop
$2,422United Airlines
Find Deal
mar., feb. 17 - sáb., feb. 21

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
SYD9:40 amSydney Kingsford Smith
21h 00m
1 stop
SAT2:40 pmSan Antonio
$963
Find similar
Delta
Jan 17
SAT6:17 pmSan Antonio
43h 33m
2 stops
SYD6:50 amSydney Kingsford Smith
Feb 1
SYD10:40 amSydney Kingsford Smith
31h 01m
2 stops
SAT12:41 amSan Antonio
$967
Find similar
Delta
Jan 19
SAT7:00 amSan Antonio
32h 30m
1 stop
SYD8:30 amSydney Kingsford Smith
Feb 3
SYD2:15 pmSydney Kingsford Smith
26h 28m
1 stop
SAT11:43 pmSan Antonio
$971
Find similar

United Airlines flights from San Antonio to Australia

Our best United Airlines deals on San Antonio to Australia flight tickets
United Airlines
Jan 13
SAT5:59 pmSan Antonio
20h 01m
1 stop
SYD7:00 amSydney Kingsford Smith
Feb 2
SYD11:50 amSydney Kingsford Smith
20h 41m
1 stop
SAT3:31 pmSan Antonio
$1,486
Find similar
United Airlines
Jan 13
SAT2:15 pmSan Antonio
23h 45m
1 stop
SYD7:00 amSydney Kingsford Smith
Feb 6
SYD11:50 amSydney Kingsford Smith
18h 18m
1 stop
SAT1:08 pmSan Antonio
$1,536
Find similar
United Airlines
Jan 1
SAT8:52 amSan Antonio
28h 28m
1 stop
SYD6:20 amSydney Kingsford Smith
Jan 10
SYD12:10 pmSydney Kingsford Smith
21h 43m
2 stops
SAT4:53 pmSan Antonio
$1,716
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 noviembre 20, 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

mié. 3/11

4:10 pm-7:25 am

1 stop23h 15m

Sydney Kingsford Smith

mar. 3/17

9:40 am-2:40 pm

1 stop21h 00m

$963

San AntonioSydney

SAT - SYD

SATSYD

San Antonio

sáb. 1/17

6:17 pm-6:50 am

2 stops43h 33m

Sydney Kingsford Smith

dom. 2/1

10:40 am-2:43 pm

1 stop21h 03m

$967

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

lun. 3/9

2:39 pm-5:00 am

2 stops23h 21m

Brisbane

lun. 4/6

8:05 pm-8:13 am

2 stops27h 08m

$1,439

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

lun. 3/9

3:15 pm-5:00 am

1 stop22h 45m

Brisbane

lun. 4/6

8:05 pm-2:33 pm

1 stop33h 28m

$1,445

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

dom. 11/30

7:30 pm-3:35 pm

2 stops27h 05m

Melbourne

dom. 12/14

6:45 am-10:58 pm

2 stops33h 13m

$1,499

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

sáb. 1/3

6:00 pm-6:45 pm

2 stops31h 45m

Melbourne

sáb. 1/10

7:00 am-7:15 pm

2 stops29h 15m

$1,657

San AntonioMelbourne

SAT - MEL

SATMEL

San Antonio

dom. 11/30

7:30 pm-3:35 pm

2 stops27h 05m

Melbourne

dom. 12/14

12:00 pm-10:58 pm

1 stop27h 58m

$1,685

San AntonioBrisbane

SAT - BNE

SATBNE

San Antonio

lun. 3/9

3:15 pm-11:05 am

2 stops28h 50m

Brisbane

lun. 4/6

8:05 am-5:42 pm

3 stops24h 37m

$1,706

San AntonioAdelaide

SAT - ADL

SATADL

San Antonio

mar. 2/17

9:30 am-2:10 pm

2 stops36h 10m

Adelaide

sáb. 2/21

11:35 am-9:55 pm

2 stops50h 50m

$2,385

San AntonioAdelaide

SAT - ADL

SATADL

San Antonio

mar. 2/17

9:30 am-2:10 pm

2 stops36h 10m

Adelaide

sáb. 2/21

2:55 pm-9:55 pm

1 stop23h 30m

$2,422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $926Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
Air New ZealandPriceFrom $971Free CancellationRating
8.0
533 reviews
Search Air New Zealand flights
DeltaPriceFrom $978Free CancellationRating
7.9
8,002 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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