What is the cheapest airline that flies from San Juan to Australia?

United Airlines and American Airlines are the most popular carriers operating from San Juan to Australia

When did momondo last update prices for flights from San Juan to Australia?

Prices for flights from San Juan to Australia are refreshed on a daily basis.

How old do you have to be to fly from San Juan to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Juan to Australia.

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

The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$975 Cheap Flights from San Juan to Australia in 2026

Find the cheapest flights from San Juan to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 27m1 stop Dallas/Fort Worth

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,821American Airlines

Mon, 1 Feb - Mon, 15 Feb

14:21 - 09:05SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

27h 44m2 stops Denver Intl Los Angeles Los Angeles

09:20 - 21:26SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

27h 06m1 stop Houston George Bush Intcntl

$1,825United Airlines

Mon, 1 Feb - Mon, 15 Feb

11:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

28h 27m2 stops Miami Dallas/Fort Worth

14:05 - 05:00SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

29h 55m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,827American Airlines

Mon, 1 Feb - Mon, 15 Feb

06:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 27m1 stop Dallas/Fort Worth

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,889American Airlines

Wed, 18 Nov - Sun, 6 Dec

06:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 27m1 stop Dallas/Fort Worth

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,891American Airlines

Wed, 18 Nov - Sun, 6 Dec

14:44 - 09:00SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

27h 16m2 stops Philadelphia Los Angeles Los Angeles

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,895American Airlines

Wed, 18 Nov - Sun, 6 Dec

09:45 - 06:25SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

29h 40m2 stops Miami Los Angeles Los Angeles

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,896American Airlines

Wed, 18 Nov - Sun, 6 Dec

14:21 - 09:20SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

27h 59m2 stops Denver Intl San Francisco

11:20 - 00:36SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

28h 16m2 stops Los Angeles Los Angeles Newark

$1,901United Airlines

Wed, 18 Nov - Sun, 6 Dec

14:21 - 09:20SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

27h 59m2 stops Denver Intl San Francisco

11:20 - 00:36SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

28h 16m2 stops Los Angeles Los Angeles Newark

$1,902United Airlines

Wed, 18 Nov - Sun, 6 Dec

07:00 - 07:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 55m2 stops Houston George Bush Intcntl San Francisco

11:20 - 13:45SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

41h 25m2 stops San Francisco Newark

$2,110United Airlines

Wed, 7 Oct - Wed, 21 Oct

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American Airlines flights from San Juan to Australia

Our best American Airlines deals on San Juan to Australia flight tickets

American Airlines

1 Feb

SJU06:28San Juan Luis Munoz Marin Intl

33h 27m

1 stop

SYD06:55Sydney Kingsford Smith

15 Feb

SYD14:05Sydney Kingsford Smith

25h 11m

1 stop

SJU00:16San Juan Luis Munoz Marin Intl

$1,821

American Airlines

1 Feb

SJU11:28San Juan Luis Munoz Marin Intl

28h 27m

2 stops

SYD06:55Sydney Kingsford Smith

15 Feb

SYD14:05Sydney Kingsford Smith

29h 55m

2 stops

SJU05:00San Juan Luis Munoz Marin Intl

$1,827

American Airlines

18 Nov

SJU06:28San Juan Luis Munoz Marin Intl

33h 27m

1 stop

SYD06:55Sydney Kingsford Smith

6 Dec

SYD14:05Sydney Kingsford Smith

25h 11m

1 stop

SJU00:16San Juan Luis Munoz Marin Intl

$1,889

United Airlines flights from San Juan to Australia

Our best United Airlines deals on San Juan to Australia flight tickets

United Airlines

1 Feb

SJU14:21San Juan Luis Munoz Marin Intl

27h 44m

2 stops

SYD09:05Sydney Kingsford Smith

15 Feb

SYD09:20Sydney Kingsford Smith

27h 06m

1 stop

SJU21:26San Juan Luis Munoz Marin Intl

$1,825

United Airlines

18 Nov

SJU14:21San Juan Luis Munoz Marin Intl

27h 59m

2 stops

SYD09:20Sydney Kingsford Smith

6 Dec

SYD11:20Sydney Kingsford Smith

28h 16m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

$1,901

United Airlines

18 Nov

SJU14:21San Juan Luis Munoz Marin Intl

27h 59m

2 stops

SYD09:20Sydney Kingsford Smith

6 Dec

SYD11:20Sydney Kingsford Smith

28h 16m

2 stops

SJU00:36San Juan Luis Munoz Marin Intl

$1,902

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 1/2

06:28-06:55

1 stop33h 27m

Sydney Kingsford Smith

Mon 15/2

14:05-00:16

1 stop25h 11m

$1,821

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 1/2

14:21-09:05

2 stops27h 44m

Sydney Kingsford Smith

Mon 15/2

09:20-21:26

1 stop27h 06m

$1,825

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 1/2

11:28-06:55

2 stops28h 27m

Sydney Kingsford Smith

Mon 15/2

14:05-05:00

2 stops29h 55m

$1,827

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

06:28-06:55

1 stop33h 27m

Sydney Kingsford Smith

Sun 6/12

14:05-00:16

1 stop25h 11m

$1,889

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

06:28-06:55

1 stop33h 27m

Sydney Kingsford Smith

Sun 6/12

14:05-00:16

1 stop25h 11m

$1,891

Fastest return journey

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

14:44-09:00

2 stops27h 16m

Sydney Kingsford Smith

Sun 6/12

14:05-00:16

1 stop25h 11m

$1,895

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

09:45-06:25

2 stops29h 40m

Sydney Kingsford Smith

Sun 6/12

14:05-00:16

1 stop25h 11m

$1,896

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

14:21-09:20

2 stops27h 59m

Sydney Kingsford Smith

Sun 6/12

11:20-00:36

2 stops28h 16m

$1,901

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

14:21-09:20

2 stops27h 59m

Sydney Kingsford Smith

Sun 6/12

11:20-00:36

2 stops28h 16m

$1,902

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 7/10

07:00-07:55

2 stops33h 55m

Sydney Kingsford Smith

Wed 21/10

11:20-13:45

2 stops41h 25m

$2,110

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Juan 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

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, July is the cheapest month to fly from San Juan to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Australia in July, then you should wait until June to fly from San Juan, when ticket prices are also cheap, with an average price of $1,846.

Cheap San Juan to Australia flight deals and tips

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

Best price found	$975
Fastest flight time	33h 35m
Direct flights	None

The best one-way flight to Australia from San Juan in the past 72 hours is $975. The best return flight deal from San Juan to Australia found on momondo in the last 72 hours is $1,821.

The fastest flight from San Juan to Australia takes 33h 35m

There are no direct flights from San Juan to Australia. There are no popular flight routes from San Juan to Australia.

Search flight deals

Frequently asked questions about flying from San Juan to Australia

When did momondo last update prices for flights from San Juan to Australia?
Prices for flights from San Juan to Australia are refreshed on a daily basis.
How old do you have to be to fly from San Juan to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Juan to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to Australia . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Australia from San Juan with this policy.

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

Once all potential San Juan to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from San Juan and alert you when they change.