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Cheap flights from Australia to San Juan from $1,816

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 15/11. 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.
American Airlines Logo
11:20 - 21:29SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
25h 09m2 stops Los Angeles Los Angeles Charlotte Douglas
American Airlines Logo
14:50 - 09:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
27h 10m2 stops Miami Los Angeles Los Angeles
$1,816American Airlines
Sun, 15 Nov - Thu, 3 Dec
United Airlines Logo
09:15 - 16:36SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
22h 21m1 stop Houston George Bush Intcntl
United Airlines Logo
15:46 - 07:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
24h 14m1 stop Houston George Bush Intcntl
$1,918United Airlines
Sun, 15 Nov - Thu, 3 Dec
United Airlines Logo
11:50 - 11:50SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
39h 00m2 stops San Francisco Newark
United Airlines Logo
15:46 - 07:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
24h 14m1 stop Houston George Bush Intcntl
$1,918United Airlines
Sun, 15 Nov - Thu, 3 Dec
Multiple Airlines Logo
09:30 - 19:38SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
48h 08m2 stops Los Angeles Los Angeles Orlando
Multiple Airlines Logo
10:42 - 07:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
30h 18m2 stops Orlando Los Angeles Los Angeles
$2,089Multiple Airlines
Wed, 2 Sep - Thu, 17 Sep
Air Canada Logo
11:20 - 13:15SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
40h 55m2 stops Vancouver Intl Newark
Air Canada Logo
08:10 - 09:35SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
34h 25m3 stops Chicago O'Hare Intl Toronto Pearson Intl Vancouver Intl
$2,558Air Canada
Sun, 15 Nov - Thu, 3 Dec
Turkish Airlines Logo
21:35 - 20:45SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
62h 10m3 stops Singapore Changi Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
17:22 - 19:25SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
59h 03m3 stops New York John F Kennedy Intl Istanbul Singapore Changi
$2,617Turkish Airlines
Sun, 15 Nov - Thu, 3 Dec
United Airlines Logo
11:20 - 22:22SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
26h 02m2 stops Los Angeles Los Angeles Washington, D.C. Dulles Intl
United Airlines Logo
15:46 - 07:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
24h 14m1 stop Houston George Bush Intcntl
$3,055United Airlines
Wed, 2 Dec - Thu, 3 Dec
United Airlines Logo
09:15 - 21:26SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
27h 11m1 stop Houston George Bush Intcntl
United Airlines Logo
15:46 - 07:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
24h 14m1 stop Houston George Bush Intcntl
$3,055United Airlines
Wed, 2 Dec - Thu, 3 Dec
United Airlines Logo
11:20 - 22:22SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
26h 02m2 stops Los Angeles Los Angeles Washington, D.C. Dulles Intl
United Airlines Logo
19:35 - 07:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
44h 25m2 stops Newark Houston George Bush Intcntl
$3,055United Airlines
Wed, 2 Dec - Thu, 3 Dec
American Airlines Logo
12:00 - 14:54SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
40h 54m1 stop Dallas/Fort Worth
American Airlines Logo
15:41 - 07:05SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
25h 24m2 stops Charlotte Douglas Los Angeles Los Angeles
$3,143American Airlines
Wed, 2 Sep - Thu, 17 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
15 Nov
SYD11:20Sydney Kingsford Smith
25h 09m
2 stops
SJU21:29San Juan Luis Munoz Marin Intl
3 Dec
SJU14:50San Juan Luis Munoz Marin Intl
27h 10m
2 stops
SYD09:00Sydney Kingsford Smith
$1,816
American Airlines
2 Sept
SYD12:00Sydney Kingsford Smith
40h 54m
1 stop
SJU14:54San Juan Luis Munoz Marin Intl
17 Sept
SJU15:41San Juan Luis Munoz Marin Intl
25h 24m
2 stops
SYD07:05Sydney Kingsford Smith
$3,143
American Airlines
2 Sept
SYD12:00Sydney Kingsford Smith
40h 54m
1 stop
SJU14:54San Juan Luis Munoz Marin Intl
17 Sept
SJU16:19San Juan Luis Munoz Marin Intl
24h 36m
1 stop
SYD06:55Sydney Kingsford Smith
$3,219

United Airlines flights from Australia to San Juan

Our best United Airlines deals on Australia to San Juan flight tickets
United Airlines
15 Nov
SYD11:50Sydney Kingsford Smith
39h 00m
2 stops
SJU11:50San Juan Luis Munoz Marin Intl
3 Dec
SJU15:46San Juan Luis Munoz Marin Intl
24h 14m
1 stop
SYD07:00Sydney Kingsford Smith
$1,918
United Airlines
12 Aug
SYD09:30Sydney Kingsford Smith
28h 20m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
15 Aug
SJU01:00San Juan Luis Munoz Marin Intl
39h 55m
2 stops
SYD06:55Sydney Kingsford Smith
$2,979
United Airlines
2 Dec
SYD09:15Sydney Kingsford Smith
27h 11m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
3 Dec
SJU15:46San Juan Luis Munoz Marin Intl
24h 14m
1 stop
SYD07:00Sydney Kingsford Smith
$3,055

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 8 August 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 Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Sun 15/11

11:20-21:29

2 stops25h 09m

San Juan Luis Munoz Marin Intl

Thu 3/12

14:50-09:00

2 stops27h 10m

$1,816
Fastest return journey

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Sun 15/11

09:15-16:36

1 stop22h 21m

San Juan Luis Munoz Marin Intl

Thu 3/12

15:46-07:00

1 stop24h 14m

$1,918

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Sun 15/11

11:50-11:50

2 stops39h 00m

San Juan Luis Munoz Marin Intl

Thu 3/12

15:46-07:00

1 stop24h 14m

$1,918

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 2/9

09:30-19:38

2 stops48h 08m

San Juan Luis Munoz Marin Intl

Thu 17/9

10:42-07:00

2 stops30h 18m

$2,089

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Sun 15/11

11:20-13:15

2 stops40h 55m

San Juan Luis Munoz Marin Intl

Thu 3/12

08:10-09:35

3 stops34h 25m

$2,558

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Sun 15/11

21:35-20:45

3 stops62h 10m

San Juan Luis Munoz Marin Intl

Thu 3/12

17:22-19:25

3 stops59h 03m

$2,617

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 2/12

11:20-22:22

2 stops26h 02m

San Juan Luis Munoz Marin Intl

Thu 3/12

15:46-07:00

1 stop24h 14m

$3,055

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 2/12

09:15-21:26

1 stop27h 11m

San Juan Luis Munoz Marin Intl

Thu 3/12

15:46-07:00

1 stop24h 14m

$3,055

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 2/12

11:20-22:22

2 stops26h 02m

San Juan Luis Munoz Marin Intl

Thu 3/12

19:35-07:00

2 stops44h 25m

$3,055

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 2/9

12:00-14:54

1 stop40h 54m

San Juan Luis Munoz Marin Intl

Thu 17/9

15:41-07:05

2 stops25h 24m

$3,143

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 $1,231.

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

25h 08m

Direct flights

None
The fastest flight from Australia to San Juan takes 25h 08m
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
United AirlinesPriceFrom $1,641Free cancellationRating
7.4
10,086 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