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Cheap flights from Australia to San Juan from $1,661

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to San Juan departing on 4/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to San Juan

Recent return flight deals from Australia to San Juan

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:15 - 19:52
SYD
-
SJU
51h 37m
3 stops
Multiple Airlines Logo
06:05 - 11:50
SJU
-
SYD
39h 45m
3 stops
$1,661Multiple Airlines
Fri, 4 Sep - Fri, 11 Sep
American Airlines Logo
09:10 - 21:55
SYD
-
SJU
26h 45m
2 stops
American Airlines Logo
11:51 - 06:25
SJU
-
SYD
28h 34m
2 stops
$1,737American Airlines
Fri, 4 Sep - Fri, 11 Sep
American Airlines Logo
09:10 - 22:24
SYD
-
SJU
27h 14m
2 stops
American Airlines Logo
10:33 - 07:05
SJU
-
SYD
30h 32m
2 stops
$1,831American Airlines
Fri, 14 Aug - Tue, 18 Aug
American Airlines Logo
09:10 - 22:24
SYD
-
SJU
27h 14m
2 stops
American Airlines Logo
10:33 - 07:05
SJU
-
SYD
30h 32m
2 stops
$1,836American Airlines
Fri, 14 Aug - Tue, 18 Aug
American Airlines Logo
09:10 - 23:15
SYD
-
SJU
28h 05m
2 stops
American Airlines Logo
15:44 - 06:55
SJU
-
SYD
25h 11m
1 stop
$1,843American Airlines
Fri, 14 Aug - Tue, 18 Aug
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
United Airlines Logo
15:56 - 06:55
SJU
-
SYD
48h 59m
2 stops
$1,859United Airlines
Fri, 14 Aug - Tue, 18 Aug
American Airlines Logo
09:10 - 22:24
SYD
-
SJU
27h 14m
2 stops
American Airlines Logo
10:33 - 07:05
SJU
-
SYD
30h 32m
2 stops
$1,916American Airlines
Fri, 14 Aug - Tue, 18 Aug
American Airlines Logo
17:50 - 14:51
SYD
-
SJU
35h 01m
2 stops
American Airlines Logo
06:00 - 07:05
SJU
-
SYD
35h 05m
2 stops
$1,930American Airlines
Fri, 14 Aug - Tue, 18 Aug
American Airlines Logo
17:50 - 12:40
SYD
-
SJU
32h 50m
2 stops
American Airlines Logo
06:00 - 08:20
SJU
-
SYD
36h 20m
3 stops
$1,990American Airlines
Fri, 14 Aug - Tue, 18 Aug
American Airlines Logo
12:00 - 14:54
SYD
-
SJU
40h 54m
1 stop
American Airlines Logo
14:58 - 06:55
SJU
-
SYD
25h 57m
2 stops
$2,420American Airlines
Fri, 4 Sep - Fri, 11 Sep

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American Airlines flights from Australia to San Juan

Our best American Airlines deals on Australia to San Juan flight tickets
American Airlines
4 Sept
SYD09:10Sydney Kingsford Smith
26h 45m
2 stops
SJU21:55San Juan Luis Munoz Marin Intl
11 Sept
SJU11:51San Juan Luis Munoz Marin Intl
28h 34m
2 stops
SYD06:25Sydney Kingsford Smith
$1,737
American Airlines
14 Aug
SYD09:10Sydney Kingsford Smith
27h 14m
2 stops
SJU22:24San Juan Luis Munoz Marin Intl
18 Aug
SJU10:33San Juan Luis Munoz Marin Intl
30h 32m
2 stops
SYD07:05Sydney Kingsford Smith
$1,831
American Airlines
14 Aug
SYD09:10Sydney Kingsford Smith
27h 14m
2 stops
SJU22:24San Juan Luis Munoz Marin Intl
18 Aug
SJU10:33San Juan Luis Munoz Marin Intl
30h 32m
2 stops
SYD07:05Sydney Kingsford Smith
$1,836

Turkish Airlines flights from Australia to San Juan

Our best Turkish Airlines deals on Australia to San Juan flight tickets
Turkish Airlines
14 Aug
SYD21:05Sydney Kingsford Smith
41h 37m
3 stops
SJU00:42San Juan Luis Munoz Marin Intl
18 Aug
SJU13:13San Juan Luis Munoz Marin Intl
39h 57m
3 stops
SYD19:10Sydney Kingsford Smith
$5,347
Turkish Airlines
14 Aug
SYD21:05Sydney Kingsford Smith
41h 37m
3 stops
SJU00:42San Juan Luis Munoz Marin Intl
18 Aug
SJU13:13San Juan Luis Munoz Marin Intl
39h 57m
3 stops
SYD19:10Sydney Kingsford Smith
$5,928
Turkish Airlines
14 Aug
SYD21:05Sydney Kingsford Smith
41h 37m
3 stops
SJU00:42San Juan Luis Munoz Marin Intl
18 Aug
SJU05:01San Juan Luis Munoz Marin Intl
48h 09m
3 stops
SYD19:10Sydney Kingsford Smith
$5,938

momondo Fare Finder

 
Customise your flight search to find flights from Australia to San Juan 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 25 July 2026.
Use the filters below to find and compare flights from Australia to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 4/9

06:15-19:52

3 stops51h 37m

San Juan Luis Munoz Marin Intl

Fri 11/9

06:05-11:50

3 stops39h 45m

$1,661

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 4/9

09:10-21:55

2 stops26h 45m

San Juan Luis Munoz Marin Intl

Fri 11/9

11:51-06:25

2 stops28h 34m

$1,737

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

09:10-22:24

2 stops27h 14m

San Juan Luis Munoz Marin Intl

Tue 18/8

10:33-07:05

2 stops30h 32m

$1,831

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

09:10-22:24

2 stops27h 14m

San Juan Luis Munoz Marin Intl

Tue 18/8

10:33-07:05

2 stops30h 32m

$1,836
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

09:10-23:15

2 stops28h 05m

San Juan Luis Munoz Marin Intl

Tue 18/8

15:44-06:55

1 stop25h 11m

$1,843

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Tue 18/8

15:56-06:55

2 stops48h 59m

$1,859

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

09:10-22:24

2 stops27h 14m

San Juan Luis Munoz Marin Intl

Tue 18/8

10:33-07:05

2 stops30h 32m

$1,916

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

17:50-14:51

2 stops35h 01m

San Juan Luis Munoz Marin Intl

Tue 18/8

06:00-07:05

2 stops35h 05m

$1,930

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 14/8

17:50-12:40

2 stops32h 50m

San Juan Luis Munoz Marin Intl

Tue 18/8

06:00-08:20

3 stops36h 20m

$1,990

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 4/9

12:00-14:54

1 stop40h 54m

San Juan Luis Munoz Marin Intl

Fri 11/9

14:58-06:55

2 stops25h 57m

$2,420

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to San Juan from

How to get the cheapest flight ticket from Australia to San Juan

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 San Juan?

The month of December is, on average, the cheapest month to fly to San Juan from Australia, with most prices found around $0. If you aren’t able to travel to San Juan during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,243.

Cheap Australia to San Juan flight deals and tips

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

Fastest flight time

28h 20m

Direct flights

None
The fastest flight from Australia to San Juan takes 28h 20m
There are no direct flights from Australia to San Juan. There are no popular flight routes from Australia to San Juan.
Search flight deals

Frequently asked questions about flying from Australia to San Juan

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

    Prices for flights from Australia to San Juan were last updated today.

  • How many operators does momondo search for flights from Australia to San Juan?

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

    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 stopovers 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 Australia to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan 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 San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to San Juan

Compare and see reviews for airlines that fly from Australia to San Juan with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $1,106Free cancellationRating
7.1
11,847 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,196Free cancellationRating
7.4
10,034 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to San Juan. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to San Juan from Australia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your San Juan trip

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 11.5 km from San Juan
San Juan Luis Munoz Marin Intl Airport