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Cheap flights from Australia to Puerto Rico from $1,774

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 Puerto Rico departing on 23/9. 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 Puerto Rico

Recent return flight deals from Australia to Puerto Rico

Enter your travel dates to find the best prices.
United Airlines Logo
10:20 - 13:45SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
41h 25m2 stops San Francisco Newark
United Airlines Logo
14:55 - 08:00SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
26h 05m2 stops Houston George Bush Intcntl Los Angeles Los Angeles
$1,774United Airlines
Wed, 23 Sep - Tue, 20 Oct
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
$1,813American 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
$1,914United 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
$1,914United 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
$2,086Multiple Airlines
Wed, 2 Sep - Thu, 17 Sep
American Airlines Logo
12:00 - 15:29SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
41h 29m1 stop Dallas/Fort Worth
American Airlines Logo
10:36 - 08:05SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
30h 29m2 stops Miami Los Angeles Los Angeles
$2,307American Airlines
Wed, 23 Sep - Tue, 20 Oct
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
$2,553Air 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
$2,613Turkish Airlines
Sun, 15 Nov - Thu, 3 Dec
Turkish Airlines Logo
21:05 - 19:34SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
60h 29m3 stops Kuala Lumpur Intl Istanbul New York John F Kennedy Intl
Turkish Airlines Logo
13:00 - 20:10SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
40h 10m3 stops New York John F Kennedy Intl Istanbul Kuala Lumpur Intl
$2,784Turkish Airlines
Wed, 23 Sep - Tue, 20 Oct
Multiple Airlines Logo
17:50 - 09:24SYD  Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl
29h 34m2 stops Los Angeles Los Angeles Miami
Multiple Airlines Logo
10:36 - 09:15SJU  San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith
31h 39m3 stops Miami Los Angeles Los Angeles Brisbane
$2,940Multiple Airlines
Wed, 23 Sep - Tue, 20 Oct

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United Airlines flights from Australia to Puerto Rico

Our best United Airlines deals on Australia to Puerto Rico flight tickets
United Airlines
23 Sept
SYD10:20Sydney Kingsford Smith
41h 25m
2 stops
SJU13:45San Juan Luis Munoz Marin Intl
20 Oct
SJU14:55San Juan Luis Munoz Marin Intl
26h 05m
2 stops
SYD08:00Sydney Kingsford Smith
$1,774
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
$1,914
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
$2,974

American Airlines flights from Australia to Puerto Rico

Our best American Airlines deals on Australia to Puerto Rico 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
$1,813
American Airlines
23 Sept
SYD12:00Sydney Kingsford Smith
41h 29m
1 stop
SJU15:29San Juan Luis Munoz Marin Intl
20 Oct
SJU10:36San Juan Luis Munoz Marin Intl
30h 29m
2 stops
SYD08:05Sydney Kingsford Smith
$2,307
American Airlines
12 Aug
SYD09:10Sydney Kingsford Smith
52h 05m
2 stops
SJU23:15San Juan Luis Munoz Marin Intl
16 Aug
SJU06:00San Juan Luis Munoz Marin Intl
35h 05m
2 stops
SYD07:05Sydney Kingsford Smith
$2,927

momondo Fare Finder

 
Customise your flight search to find flights from Australia to Puerto Rico 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 10 August 2026.
Use the filters below to find and compare flights from Australia to Puerto Rico 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

Wed 23/9

10:20-13:45

2 stops41h 25m

San Juan Luis Munoz Marin Intl

Tue 20/10

14:55-08:00

2 stops26h 05m

$1,774

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

$1,813

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

$1,914
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

$1,914

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

$2,086

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 23/9

12:00-15:29

1 stop41h 29m

San Juan Luis Munoz Marin Intl

Tue 20/10

10:36-08:05

2 stops30h 29m

$2,307

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

$2,553

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

$2,613

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 23/9

21:05-19:34

3 stops60h 29m

San Juan Luis Munoz Marin Intl

Tue 20/10

13:00-20:10

3 stops40h 10m

$2,784

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Wed 23/9

17:50-09:24

2 stops29h 34m

San Juan Luis Munoz Marin Intl

Tue 20/10

10:36-09:15

3 stops31h 39m

$2,940

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Australia to Puerto Rico

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 Puerto Rico?

If you aren’t able to travel to Puerto Rico 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 $1,229.

Can stopping save me money on Australia to Puerto Rico flights?

You could potentially save up to 21% on your flight if you consider stops on a Australia to Puerto Rico flight.

Cheap Australia to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Puerto Rico

Fastest flight time

25h 08m

Direct flights

None
The fastest flight from Australia to Puerto Rico takes 25h 08m
There are no direct flights from Australia to Puerto Rico. There are no popular flight routes from Australia to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Australia to Puerto Rico

  • When did momondo last update prices for flights from Australia to Puerto Rico?

    Prices for flights from Australia to Puerto Rico were last updated today.

  • How many operators does momondo search for flights from Australia to Puerto Rico?

  • How old do you have to be to fly from Australia to Puerto Rico?

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

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

Best airlines flying from Australia to Puerto Rico

Compare and see reviews for airlines that fly from Australia to Puerto Rico with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,638Free cancellationRating
7.4
10,099 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Puerto Rico?

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

Can I find flights from Australia to Puerto Rico with flexible booking policies on momondo?

Flights from Australia to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Australia to Puerto Rico?

momondo helps you find the best flight between Australia and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Australia to Puerto Rico flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Look for other cheap flights to San Juanfrom $1,813