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Cheap flights from Puerto Rico to Sydney from $811

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
14 Apr — 21 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Puerto Rico to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Puerto Rico to Sydney
Explore the most affordable flight options available from Puerto Rico to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 March 2026.

Sun 17/506:45
SJU
-
SYD
1 stop34h 10m
American Airlines
Sun 31/512:00
SYD
-
SJU
1 stop25h 39m
American Airlines
Deal found 14/3$1,950
Sat 2/516:55
SJU
-
SYD
2 stops48h 05m
United Airlines
Sat 16/510:20
SYD
-
SJU
2 stops27h 30m
United Airlines
Deal found 12/3$2,013
Wed 12/807:30
SJU
-
SYD
2 stops33h 20m
Delta
Wed 26/809:15
SYD
-
SJU
2 stops27h 08m
Delta
Deal found 11/3$2,131
Sat 2/513:31
SJU
-
SYD
2 stops27h 34m
American Airlines
Sat 16/512:00
SYD
-
SJU
1 stop25h 02m
American Airlines
Deal found 12/3$2,135
Thu 19/1112:55
SJU
-
SYD
2 stops26h 30m
American Airlines
Sat 28/1114:05
SYD
-
SJU
1 stop30h 25m
American Airlines
Deal found 14/3$2,157
Sat 26/1217:50
SJU
-
SYD
2 stops48h 15m
United Airlines
Mon 11/111:50
SYD
-
SJU
1 stop24h 36m
United Airlines
Deal found 12/3$2,286

Find flight deals from Puerto Rico to Sydney

Keep the following information in mind while searching for Puerto Rico to Sydney flight deals. Data was last updated 15 March 2026.

Round-trip from

$1,950

One-way from

$811

Popular in

July

Cheapest in

June

Average price

$2,400
American Airlines
  • American Airlines
  • 17/5-31/5
  • 2 total stops
  • 59h 49m total
  • Puerto Rico to Sydney
Search Deals
30/5
  • 30/5
  • 3 total stops
  • 39h 50m total
  • Puerto Rico to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($257 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($137 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 Puerto Rico to Sydney 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 15 March 2026.
Use the filters below to find and compare flights from Puerto Rico to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

16:55-06:55

2 stops48h 00m

Sydney Kingsford Smith

Sat 16/5

10:20-23:50

2 stops27h 30m

$2,013

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 12/8

07:30-06:50

2 stops33h 20m

Sydney Kingsford Smith

Wed 26/8

09:15-22:23

2 stops27h 08m

$2,131
Fastest return journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

13:31-07:05

2 stops27h 34m

Sydney Kingsford Smith

Sat 16/5

12:00-23:02

1 stop25h 02m

$2,135

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

06:15-06:50

2 stops34h 35m

Sydney Kingsford Smith

Sat 16/5

09:15-22:17

2 stops27h 02m

$2,303

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 28/6

13:40-07:00

2 stops27h 20m

Sydney Kingsford Smith

Sun 12/7

10:20-05:29

2 stops33h 09m

$2,303

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 3/8

05:45-06:55

1 stop35h 10m

Sydney Kingsford Smith

Fri 14/8

09:10-22:56

2 stops27h 46m

$2,364

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 9/4

05:01-16:50

2 stops45h 49m

Sydney Kingsford Smith

Mon 13/4

20:50-22:12

2 stops39h 22m

$2,509

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 24/4

20:40-06:10

2 stops43h 30m

Sydney Kingsford Smith

Tue 28/4

20:45-18:10

2 stops59h 25m

$2,714
Cheapest one-way

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 30/5

06:15-11:50

2 stops39h 35m

$839

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 27/4

07:40-06:55

2 stops33h 15m

$1,130

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Puerto Rico to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Puerto Rico 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 Puerto Rico to Sydney

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

Currently, February is the cheapest month in which you can book a flight from Puerto Rico to Sydney (average of $1,369). Flying from Puerto Rico to Sydney in July is currently the most expensive (average of $2,396). 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.

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Puerto Rico?

    If you book a flight to Sydney from Puerto Rico, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

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

    There are many flights that can get you from Puerto Rico to Sydney in 27h 34m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. The distance between Puerto Rico and Sydney is about 15944 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Puerto Rico to Sydney?

    The most popular flight routes from Puerto Rico to Sydney are San Juan Luis Munoz Marin Intl - Sydney Kingsford Smith, Culebra - Sydney Kingsford Smith and Ponce Mercedita - Sydney Kingsford Smith.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Puerto Rico to Sydney 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 Puerto Rico to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Puerto Rico to Sydney (average of $1,369). Flying from Puerto Rico to Sydney in July is currently the most expensive (average of $2,396). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Katoomba
Terrigal
Lithgow
Bondi Beach
Coogee
Cronulla
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Puerto Rico to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

When you search for this flight from Puerto Rico to Sydney, 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 Puerto Rico to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Puerto Rico to Sydney for you. Better yet — we are completely free to use.

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

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

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

Yes! Start tracking prices for Puerto Rico to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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