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Cheap flights from Puerto Rico to Sydney from $990

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
5 Apr — 12 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 6 March 2026.

Sun 8/314:46
SJU
-
SYD
1 stop25h 14m
United Airlines
Mon 16/311:50
SYD
-
SJU
1 stop23h 36m
United Airlines
Deal found 3/3$1,747
Sat 7/316:52
SJU
-
SYD
2 stops46h 28m
United Airlines
Tue 17/311:50
SYD
-
SJU
1 stop23h 36m
United Airlines
Deal found 3/3$1,753
Wed 1/411:46
SJU
-
SYD
2 stops29h 19m
American Airlines
Wed 8/409:10
SYD
-
SJU
2 stops27h 52m
American Airlines
Deal found 2/3$1,757
Sat 11/414:45
SJU
-
SYD
2 stops50h 35m
Air Canada
Mon 20/409:20
SYD
-
SJU
2 stops44h 22m
Air Canada
Deal found 3/3$1,776
Sat 2/516:55
SJU
-
SYD
2 stops48h 00m
United Airlines
Sat 16/509:30
SYD
-
SJU
2 stops25h 08m
United Airlines
Deal found 2/3$1,793
Sat 11/415:34
SJU
-
SYD
1 stop25h 21m
American Airlines
Mon 20/409:10
SYD
-
SJU
2 stops27h 52m
American Airlines
Deal found 3/3$1,797
Sat 26/1217:50
SJU
-
SYD
2 stops46h 10m
United Airlines
Mon 11/111:50
SYD
-
SJU
1 stop24h 36m
United Airlines
Deal found 4/3$1,804
Wed 18/306:40
SJU
-
SYD
1 stop33h 20m
United Airlines
Thu 26/311:50
SYD
-
SJU
1 stop23h 36m
United Airlines
Deal found 3/3$1,806
Fri 6/316:52
SJU
-
SYD
2 stops49h 23m
United Airlines
Tue 17/311:50
SYD
-
SJU
1 stop23h 36m
United Airlines
Deal found 3/3$1,811
Wed 11/313:25
SJU
-
SYD
2 stops28h 50m
United Airlines
Wed 18/311:50
SYD
-
SJU
1 stop23h 36m
United Airlines
Deal found 4/3$1,817
Sun 5/407:30
SJU
-
SYD
2 stops33h 20m
Delta
Tue 14/409:15
SYD
-
SJU
2 stops25h 09m
Delta
Deal found 3/3$1,826

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 6 March 2026.

Round-trip from

$1,747

One-way from

$990

Popular in

July

Cheapest in

June

Average price

$2,387
United Airlines
  • United Airlines
  • 16/3-25/3
  • 2 total stops
  • 48h 50m total
  • Puerto Rico to Sydney
Search Deals
American Airlines
  • American Airlines
  • 27/4
  • 2 total stops
  • 29h 22m total
  • Puerto Rico to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($255 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($135 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 6 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
Fastest return journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 16/3

14:46-07:00

1 stop25h 14m

Sydney Kingsford Smith

Mon 23/3

11:50-20:26

1 stop23h 36m

$1,747

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

09:30-20:38

2 stops25h 08m

$1,793

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 7/4

14:55-07:00

2 stops26h 05m

Sydney Kingsford Smith

Thu 16/4

09:30-17:38

2 stops46h 08m

$1,811

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 11/4

14:45-07:20

2 stops50h 35m

Sydney Kingsford Smith

Mon 20/4

09:20-15:42

2 stops44h 22m

$1,828

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

06:45-06:55

1 stop34h 10m

Sydney Kingsford Smith

Sat 16/5

09:10-22:05

2 stops26h 55m

$1,885

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 6/4

14:55-07:00

2 stops26h 05m

Sydney Kingsford Smith

Mon 13/4

09:30-20:38

2 stops25h 08m

$1,981

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 5/4

14:55-07:00

2 stops26h 05m

Sydney Kingsford Smith

Mon 13/4

09:30-20:38

2 stops25h 08m

$2,209

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 23/3

06:40-08:05

2 stops34h 25m

Sydney Kingsford Smith

Mon 30/3

11:20-17:38

3 stops45h 18m

$2,388

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 3/4

14:55-08:00

2 stops26h 05m

Sydney Kingsford Smith

Sat 11/4

10:20-12:34

2 stops40h 14m

$2,436

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 1/9

08:30-06:10

2 stops55h 40m

Sydney Kingsford Smith

Sun 6/9

21:05-19:47

3 stops60h 42m

$4,393

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 13 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 $1,361). Flying from Puerto Rico to Sydney in July is currently the most expensive (average of $2,382). 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 25h 14m. Fly via United Airlines, Air Canada, 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 $1,361). Flying from Puerto Rico to Sydney in July is currently the most expensive (average of $2,382). 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
Katoomba
Manly
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.
Santo Domingo to Sydney flights
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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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