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Cheap flights from Australia to Puerto Rico from $894

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SJU
18 May — 25 May1
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 18 April 2026.

Tue 2/609:15
SYD
-
SJU
2 stops27h 02m
Delta
Tue 9/606:00
SJU
-
SYD
2 stops34h 50m
Delta
Deal found 18/4$2,150
Fri 12/612:00
SYD
-
SJU
2 stops23h 59m
American Airlines
Mon 22/611:55
SJU
-
SYD
2 stops29h 10m
American Airlines
Deal found 14/4$2,169
Sun 31/509:10
SYD
-
SJU
2 stops26h 49m
American Airlines
Sun 7/611:55
SJU
-
SYD
2 stops29h 10m
American Airlines
Deal found 15/4$2,175
Tue 2/609:10
SYD
-
SJU
2 stops26h 49m
American Airlines
Mon 8/600:44
SJU
-
SYD
1 stop40h 11m
American Airlines
Deal found 18/4$2,759
Mon 4/509:10
SYD
-
SJU
2 stops43h 10m
American Airlines
Wed 6/506:45
SJU
-
SYD
2 stops34h 20m
American Airlines
Deal found 15/4$2,815
Sun 3/517:50
SYD
-
SJU
2 stops58h 30m
American Airlines
Wed 6/510:03
SJU
-
SYD
2 stops31h 02m
American Airlines
Deal found 13/4$2,859
Tue 2/617:50
SYD
-
SJU
2 stops25h 39m
Multiple Airlines
Tue 9/611:55
SJU
-
SYD
3 stops31h 50m
Multiple Airlines
Deal found 18/4$2,932
Mon 4/509:30
SYD
-
SJU
2 stops28h 20m
United Airlines
Wed 6/507:00
SJU
-
SYD
2 stops33h 55m
United Airlines
Deal found 14/4$2,956

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 18 April 2026.

Round-trip from

$2,150

One-way from

$894

Popular in

March

Cheapest in

October

Average price

$2,300
Delta
  • Delta
  • 2/6-9/6
  • 4 total stops
  • 61h 52m total
  • Australia to Puerto Rico
Search Deals
25/4
  • 25/4
  • 3 total stops
  • 55h 00m total
  • Australia to Puerto Rico
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($542 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($136 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 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

Tue 2/6

09:15-22:17

2 stops27h 02m

San Juan Luis Munoz Marin Intl

Tue 9/6

06:00-06:50

2 stops34h 50m

$2,150
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 12/6

12:00-21:59

2 stops23h 59m

San Juan Luis Munoz Marin Intl

Mon 22/6

11:55-07:05

2 stops29h 10m

$2,169

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 4/5

09:10-14:20

2 stops43h 10m

San Juan Luis Munoz Marin Intl

Wed 6/5

06:45-07:05

2 stops34h 20m

$2,815

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 2/6

17:50-05:29

2 stops25h 39m

San Juan Luis Munoz Marin Intl

Tue 9/6

11:55-09:45

3 stops31h 50m

$2,932

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 4/5

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Wed 6/5

07:00-06:55

2 stops33h 55m

$2,956

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 2/6

12:00-04:25

1 stop30h 25m

San Juan Luis Munoz Marin Intl

Mon 8/6

00:44-06:55

1 stop40h 11m

$3,161

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

12:00-23:02

1 stop25h 02m

San Juan Luis Munoz Marin Intl

Wed 6/5

11:43-07:05

2 stops29h 22m

$3,350

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 31/5

21:25-11:03

2 stops27h 38m

San Juan Luis Munoz Marin Intl

Sun 7/6

11:55-09:45

3 stops31h 50m

$3,384

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 12/6

09:10-21:59

2 stops26h 49m

San Juan Luis Munoz Marin Intl

Mon 22/6

11:55-08:40

3 stops30h 45m

$3,423
Cheapest one-way

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/7

06:10-04:55

3 stops36h 45m

$1,055

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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 $903). Flying from Australia to Puerto Rico in December is currently the most expensive (average of $1,981). 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 18 April 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,604 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,604 reviews
United Airlines
7.4
Good
9,604 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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, American Airlines, and United Airlines fly from Australia to Puerto Rico in about 23h 59m. The time it takes to get you to your destination can typically vary by up to 4h 21m. 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 $903). Flying from Australia to Puerto Rico in December is currently the most expensive (average of $1,981). 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 airline flying from Australia to Puerto Rico

Discover the top airline 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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,164Average$2,181FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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