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Cheap flights from Australia to Puerto Rico from $1,638

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SJU
5 Apr — 12 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Puerto Rico
Explore the most affordable flight options available from Australia to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 March 2026.

Fri 17/409:10
SYD
-
SJU
2 stops26h 14m
American Airlines
Fri 24/411:43
SJU
-
SYD
2 stops29h 22m
American Airlines
Deal found 3/3$1,638
Wed 15/409:15
SYD
-
SJU
2 stops25h 09m
Delta
Wed 22/406:15
SJU
-
SYD
2 stops34h 35m
Delta
Deal found 1/3$1,658
Wed 15/409:00
SYD
-
SJU
2 stops28h 02m
American Airlines
Wed 22/415:34
SJU
-
SYD
1 stop25h 21m
American Airlines
Deal found 1/3$1,674
Fri 17/409:30
SYD
-
SJU
2 stops25h 08m
United Airlines
Fri 24/407:40
SJU
-
SYD
2 stops33h 20m
United Airlines
Deal found 2/3$1,773
Thu 28/509:15
SYD
-
SJU
2 stops25h 15m
Delta
Mon 1/606:15
SJU
-
SYD
2 stops34h 35m
Delta
Deal found 5/3$2,214
Sun 12/409:30
SYD
-
SJU
2 stops46h 08m
United Airlines
Sat 18/416:55
SJU
-
SYD
2 stops48h 00m
United Airlines
Deal found 2/3$2,460
Mon 1/609:15
SYD
-
SJU
2 stops27h 02m
Delta
Fri 5/613:14
SJU
-
SYD
2 stops27h 36m
Delta
Deal found 1/3$2,480
Thu 28/512:00
SYD
-
SJU
1 stop30h 25m
American Airlines
Mon 1/611:55
SJU
-
SYD
2 stops29h 10m
American Airlines
Deal found 5/3$2,487

Find flight deals from Australia to Puerto Rico

Keep the following information in mind while searching for Australia to Puerto Rico flight deals. Data was last updated 6 March 2026.

Round-trip from

$1,638

Popular in

January

Cheapest in

August

Average price

$1,580
American Airlines
  • American Airlines
  • 17/4-24/4
  • 4 total stops
  • 55h 36m total
  • Australia to Puerto Rico
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($482 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 6 March 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 - SJU

SYDSJU

Sydney Kingsford Smith

Wed 15/4

09:15-20:24

2 stops25h 09m

San Juan Luis Munoz Marin Intl

Wed 22/4

06:15-06:50

2 stops34h 35m

$1,658

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Fri 24/4

07:40-07:00

2 stops33h 20m

$1,773
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

12:00-23:02

1 stop25h 02m

San Juan Luis Munoz Marin Intl

Fri 24/4

13:31-07:05

2 stops27h 34m

$1,783

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

09:15-20:30

2 stops25h 15m

San Juan Luis Munoz Marin Intl

Mon 1/6

06:15-06:50

2 stops34h 35m

$2,214

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 1/6

09:15-22:17

2 stops27h 02m

San Juan Luis Munoz Marin Intl

Fri 5/6

13:14-06:50

2 stops27h 36m

$2,480

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

12:00-04:25

1 stop30h 25m

San Juan Luis Munoz Marin Intl

Sun 31/5

00:44-06:55

1 stop40h 11m

$2,498

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 1/6

09:10-21:59

2 stops26h 49m

San Juan Luis Munoz Marin Intl

Thu 4/6

00:44-06:55

1 stop40h 11m

$2,692

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

17:50-04:32

2 stops24h 42m

San Juan Luis Munoz Marin Intl

Fri 24/4

10:03-08:40

3 stops32h 37m

$3,160

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Sorted by cheapest first

Best time to book a flight from Australia to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Australia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Puerto Rico

What is the cheapest month to book a flight from Australia to Puerto Rico?

Currently, October is the cheapest month in which you can book a flight from Australia to Puerto Rico (average of $921). Flying from Australia to Puerto Rico in January is currently the most expensive (average of $2,316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated 6 March 2026.
Get a feel of what it's like to fly with Qatar Airways and United Airlines from Australia to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,746 reviews
Check prices

Boarding

7.5

Crew

7.9

Food

7.3

Comfort

7.4

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

AMS - DOH

Boarding was very bad. No communication about the delay. No information at all! The flight itself was excellent!
Qatar Airways
7.4
Good
3,746 reviews
Qatar Airways
7.4
Good
3,746 reviews
Check prices

Boarding

7.5

Crew

7.9

Food

7.3

Comfort

7.4

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

AMS - DOH

Boarding was very bad. No communication about the delay. No information at all! The flight itself was excellent!
United Airlines
7.4
Good
9,403 reviews
Qatar Airways
7.4
Good
3,746 reviews
Check prices

Boarding

7.5

Crew

7.9

Food

7.3

Comfort

7.4

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

AMS - DOH

Boarding was very bad. No communication about the delay. No information at all! The flight itself was excellent!

Related info for your journey

Find useful and relevant information for your journey from Australia to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Australia to Puerto Rico?

    Airlines like Delta, United Airlines, and American Airlines fly from Australia to Puerto Rico in about 25h 02m. The time it takes to get you to your destination can typically vary by up to 07m. Australia and Puerto Rico are separated by a distance of 15944 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Australia to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Australia to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Puerto Rico.

  • Can I find deals for business class flights from Australia to Puerto Rico?

    Yes. Cheapflights offers flight deals from Australia to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Puerto Rico?

    Currently, October is the cheapest month in which you can book a flight from Australia to Puerto Rico (average of $921). Flying from Australia to Puerto Rico in January is currently the most expensive (average of $2,316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Australia to Puerto Rico

Discover the top 2 airlines that operate flights from Australia to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 6 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,188Average$2,240FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapest$2,639Average$3,065FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Puerto Rico?

When you search for this flight from Australia to Puerto Rico, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Australia to Puerto Rico?

Millions of users choose and trust Cheapflights to book the best flight deals from Australia to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Australia to Puerto Rico with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Puerto Rico flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Puerto Rico become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Puerto Rico from Australia today and book when prices fit your budget.

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