Cheap flights from San Juan to Australia from $988

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 Juan to Australia departing on 27/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:29 - 06:55
SJU
-
SYD
30h 26m
2 stops
American Airlines Logo
09:10 - 22:51
SYD
-
SJU
27h 41m
2 stops
$1,736American Airlines
Sun, 28 Jun - Sun, 12 Jul
United Airlines Logo
14:46 - 07:00
SJU
-
SYD
25h 14m
1 stop
United Airlines Logo
11:50 - 20:26
SYD
-
SJU
23h 36m
1 stop
$1,745United Airlines
Mon, 16 Mar - Wed, 25 Mar
American Airlines Logo
11:55 - 06:55
SJU
-
SYD
29h 00m
2 stops
American Airlines Logo
12:00 - 23:16
SYD
-
SJU
25h 16m
1 stop
$1,746American Airlines
Sun, 28 Jun - Sun, 12 Jul
United Airlines Logo
01:05 - 08:05
SJU
-
SYD
40h 00m
2 stops
United Airlines Logo
11:50 - 20:26
SYD
-
SJU
23h 36m
1 stop
$1,750United Airlines
Sat, 14 Mar - Mon, 23 Mar
American Airlines Logo
11:46 - 08:05
SJU
-
SYD
29h 19m
2 stops
American Airlines Logo
09:10 - 23:02
SYD
-
SJU
27h 52m
2 stops
$1,755American Airlines
Wed, 1 Apr - Wed, 8 Apr
American Airlines Logo
01:30 - 06:55
SJU
-
SYD
38h 25m
1 stop
American Airlines Logo
09:10 - 23:02
SYD
-
SJU
27h 52m
2 stops
$1,766American Airlines
Tue, 31 Mar - Wed, 8 Apr
Air Canada Logo
14:45 - 07:20
SJU
-
SYD
50h 35m
2 stops
Air Canada Logo
09:20 - 15:42
SYD
-
SJU
44h 22m
2 stops
$1,773Air Canada
Sat, 11 Apr - Mon, 20 Apr
United Airlines Logo
16:55 - 06:55
SJU
-
SYD
48h 00m
2 stops
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
$1,790United Airlines
Sat, 2 May - Sat, 16 May
American Airlines Logo
15:34 - 06:55
SJU
-
SYD
25h 21m
1 stop
American Airlines Logo
09:10 - 23:02
SYD
-
SJU
27h 52m
2 stops
$1,795American Airlines
Sat, 11 Apr - Mon, 20 Apr
United Airlines Logo
06:40 - 07:00
SJU
-
SYD
33h 20m
1 stop
United Airlines Logo
11:50 - 20:26
SYD
-
SJU
23h 36m
1 stop
$1,803United Airlines
Wed, 18 Mar - Thu, 26 Mar

American Airlines flights from San Juan to Australia

Our best American Airlines deals on San Juan to Australia flight tickets
American Airlines
28 June
SJU10:29San Juan Luis Munoz Marin Intl
30h 26m
2 stops
SYD06:55Sydney Kingsford Smith
12 July
SYD09:10Sydney Kingsford Smith
27h 41m
2 stops
SJU22:51San Juan Luis Munoz Marin Intl
$1,736
American Airlines
28 June
SJU11:55San Juan Luis Munoz Marin Intl
29h 00m
2 stops
SYD06:55Sydney Kingsford Smith
12 July
SYD12:00Sydney Kingsford Smith
25h 16m
1 stop
SJU23:16San Juan Luis Munoz Marin Intl
$1,746
American Airlines
1 Apr
SJU11:46San Juan Luis Munoz Marin Intl
29h 19m
2 stops
SYD08:05Sydney Kingsford Smith
8 Apr
SYD09:10Sydney Kingsford Smith
27h 52m
2 stops
SJU23:02San Juan Luis Munoz Marin Intl
$1,755

United Airlines flights from San Juan to Australia

Our best United Airlines deals on San Juan to Australia flight tickets
United Airlines
16 Mar
SJU14:46San Juan Luis Munoz Marin Intl
25h 14m
1 stop
SYD07:00Sydney Kingsford Smith
25 Mar
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
$1,745
United Airlines
14 Mar
SJU01:05San Juan Luis Munoz Marin Intl
40h 00m
2 stops
SYD08:05Sydney Kingsford Smith
23 Mar
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
$1,750
United Airlines
2 May
SJU16:55San Juan Luis Munoz Marin Intl
48h 00m
2 stops
SYD06:55Sydney Kingsford Smith
16 May
SYD09:30Sydney Kingsford Smith
25h 08m
2 stops
SJU20:38San Juan Luis Munoz Marin Intl
$1,790

momondo Fare Finder

 
Customise your flight search to find flights from San Juan 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 78,305 searches. Data last updated 5 March 2026.
Use the filters below to find and compare flights from San Juan to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 28/6

10:29-06:55

2 stops30h 26m

Sydney Kingsford Smith

Sun 12/7

09:10-22:51

2 stops27h 41m

$1,736
Fastest return journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 16/3

14:46-07:00

1 stop25h 14m

Sydney Kingsford Smith

Wed 25/3

11:50-20:26

1 stop23h 36m

$1,745

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 28/6

11:55-06:55

2 stops29h 00m

Sydney Kingsford Smith

Sun 12/7

12:00-23:16

1 stop25h 16m

$1,746

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 14/3

01:05-08:05

2 stops40h 00m

Sydney Kingsford Smith

Mon 23/3

11:50-20:26

1 stop23h 36m

$1,750

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 1/4

11:46-08:05

2 stops29h 19m

Sydney Kingsford Smith

Wed 8/4

09:10-23:02

2 stops27h 52m

$1,755

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 31/3

01:30-06:55

1 stop38h 25m

Sydney Kingsford Smith

Wed 8/4

09:10-23:02

2 stops27h 52m

$1,766

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 11/4

14:45-07:20

2 stops50h 35m

Sydney Kingsford Smith

Mon 20/4

09:20-15:42

2 stops44h 22m

$1,773

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

16:55-06:55

2 stops48h 00m

Sydney Kingsford Smith

Sat 16/5

09:30-20:38

2 stops25h 08m

$1,790

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 11/4

15:34-06:55

1 stop25h 21m

Sydney Kingsford Smith

Mon 20/4

09:10-23:02

2 stops27h 52m

$1,795

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/3

06:40-07:00

1 stop33h 20m

Sydney Kingsford Smith

Thu 26/3

11:50-20:26

1 stop23h 36m

$1,803

Flights are sorted by cheapest return 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 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

What is the cheapest month to fly to Australia?

In general, September 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 $2,056. If you don’t want to visit Australia in September, then you should wait until February to fly from San Juan, when ticket prices are also cheap, with an average price of $2,167.

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

28h 50m

Direct flights

None
The fastest flight from San Juan to Australia takes 28h 50m
There are no direct flights from San Juan to Australia. There are no popular flight routes 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.

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1 adult
Sat 4/4
Sat 11/4

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