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

American Airlines and United 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.

$865 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.

15:44 - 06:55

SJU

SYD

25h 11m

1 stop

09:10 - 22:24

SYD

SJU

27h 14m

2 stops

$1,745American Airlines

Wed, 19 Aug - Wed, 2 Sep

13:38 - 07:05

SJU

SYD

27h 27m

2 stops

17:50 - 12:40

SYD

SJU

32h 50m

2 stops

$1,750American Airlines

Wed, 19 Aug - Wed, 2 Sep

13:38 - 07:05

SJU

SYD

27h 27m

2 stops

12:00 - 14:54

SYD

SJU

40h 54m

1 stop

$1,751American Airlines

Wed, 19 Aug - Wed, 2 Sep

10:33 - 06:55

SJU

SYD

30h 22m

2 stops

09:10 - 22:24

SYD

SJU

27h 14m

2 stops

$1,752American Airlines

Wed, 19 Aug - Wed, 2 Sep

16:55 - 07:00

SJU

SYD

48h 05m

2 stops

09:30 - 23:50

SYD

SJU

28h 20m

2 stops

$1,781United Airlines

Wed, 26 Aug - Thu, 3 Sep

06:44 - 06:55

SJU

SYD

33h 11m

1 stop

14:05 - 05:19

SYD

SJU

30h 14m

1 stop

$1,799American Airlines

Tue, 17 Nov - Sun, 6 Dec

07:40 - 07:00

SJU

SYD

32h 20m

1 stop

09:15 - 21:26

SYD

SJU

27h 11m

1 stop

$1,803United Airlines

Wed, 18 Nov - Sun, 6 Dec

07:40 - 07:00

SJU

SYD

32h 20m

1 stop

09:15 - 16:36

SYD

SJU

22h 21m

1 stop

$1,804United Airlines

Wed, 18 Nov - Sun, 6 Dec

10:29 - 06:55

SJU

SYD

29h 26m

2 stops

21:25 - 14:46

SYD

SJU

32h 21m

2 stops

$1,806American Airlines

Wed, 18 Nov - Sun, 6 Dec

15:56 - 06:55

SJU

SYD

48h 59m

2 stops

09:30 - 20:38

SYD

SJU

25h 08m

2 stops

$1,882United Airlines

Fri, 4 Sep - Tue, 22 Sep

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United Airlines flights from San Juan to Australia

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

United Airlines

26 Aug

SJU16:55San Juan Luis Munoz Marin Intl

48h 05m

2 stops

SYD07:00Sydney Kingsford Smith

3 Sept

SYD09:30Sydney Kingsford Smith

28h 20m

2 stops

SJU23:50San Juan Luis Munoz Marin Intl

$1,781

United Airlines

18 Nov

SJU07:40San Juan Luis Munoz Marin Intl

32h 20m

1 stop

SYD07:00Sydney Kingsford Smith

6 Dec

SYD09:15Sydney Kingsford Smith

27h 11m

1 stop

SJU21:26San Juan Luis Munoz Marin Intl

$1,803

United Airlines

18 Nov

SJU07:40San Juan Luis Munoz Marin Intl

32h 20m

1 stop

SYD07:00Sydney Kingsford Smith

6 Dec

SYD09:15Sydney Kingsford Smith

22h 21m

1 stop

SJU16:36San Juan Luis Munoz Marin Intl

$1,804

American Airlines flights from San Juan to Australia

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

American Airlines

19 Aug

SJU15:44San Juan Luis Munoz Marin Intl

25h 11m

1 stop

SYD06:55Sydney Kingsford Smith

2 Sept

SYD09:10Sydney Kingsford Smith

27h 14m

2 stops

SJU22:24San Juan Luis Munoz Marin Intl

$1,745

American Airlines

19 Aug

SJU13:38San Juan Luis Munoz Marin Intl

27h 27m

2 stops

SYD07:05Sydney Kingsford Smith

2 Sept

SYD17:50Sydney Kingsford Smith

32h 50m

2 stops

SJU12:40San Juan Luis Munoz Marin Intl

$1,750

American Airlines

19 Aug

SJU10:33San Juan Luis Munoz Marin Intl

30h 32m

2 stops

SYD07:05Sydney Kingsford Smith

2 Sept

SYD12:00Sydney Kingsford Smith

25h 59m

2 stops

SJU23:59San Juan Luis Munoz Marin Intl

$1,751

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

15:44-06:55

1 stop25h 11m

Sydney Kingsford Smith

Wed 2/9

09:10-22:24

2 stops27h 14m

$1,745

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

13:38-07:05

2 stops27h 27m

Sydney Kingsford Smith

Wed 2/9

17:50-12:40

2 stops32h 50m

$1,750

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

13:38-07:05

2 stops27h 27m

Sydney Kingsford Smith

Wed 2/9

12:00-14:54

1 stop40h 54m

$1,751

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

10:33-06:55

2 stops30h 22m

Sydney Kingsford Smith

Wed 2/9

09:10-22:24

2 stops27h 14m

$1,752

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 26/8

16:55-07:00

2 stops48h 05m

Sydney Kingsford Smith

Thu 3/9

09:30-23:50

2 stops28h 20m

$1,781

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 17/11

06:44-06:55

1 stop33h 11m

Sydney Kingsford Smith

Sun 6/12

14:05-05:19

1 stop30h 14m

$1,799

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

07:40-07:00

1 stop32h 20m

Sydney Kingsford Smith

Sun 6/12

09:15-21:26

1 stop27h 11m

$1,803

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

07:40-07:00

1 stop32h 20m

Sydney Kingsford Smith

Sun 6/12

09:15-16:36

1 stop22h 21m

$1,804

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

10:29-06:55

2 stops29h 26m

Sydney Kingsford Smith

Sun 6/12

21:25-14:46

2 stops32h 21m

$1,806

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 4/9

15:56-06:55

2 stops48h 59m

Sydney Kingsford Smith

Tue 22/9

09:30-20:38

2 stops25h 08m

$1,882

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, February 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 $1,059. If you don’t want to visit Australia in February, then you should wait until June to fly from San Juan, when ticket prices are also cheap, with an average price of $1,595.

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

Fastest flight time	26h 35m
Direct flights	None

The fastest flight from San Juan to Australia takes 26h 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.