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$672+ Cheap flights from Puerto Rico to Sydney (SYD)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
1 adult, Economy
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Cheap flight deals from Puerto Rico to Sydney

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 July 10, 2026.

This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:55 pm
SJU
-
SYD
2 stops48h 05m
United Airlines
Thu 9/39:30 am
SYD
-
SJU
2 stops40h 27m
United Airlines
Deal found 7/8$1,237
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:44 am
SJU
-
SYD
1 stop33h 11m
American Airlines
Sun 12/62:05 pm
SYD
-
SJU
1 stop30h 14m
American Airlines
Deal found 7/7$1,249
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:21 pm
SJU
-
SYD
2 stops27h 44m
United Airlines
Sun 12/69:15 am
SYD
-
SJU
1 stop22h 21m
United Airlines
Deal found 7/8$1,252
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:54 am
SJU
-
SYD
2 stops28h 31m
American Airlines
Sun 8/169:10 am
SYD
-
SJU
2 stops27h 14m
American Airlines
Deal found 7/9$1,283
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:00 am
SJU
-
SYD
2 stops40h 00m
United Airlines
Wed 9/29:30 am
SYD
-
SJU
2 stops41h 24m
United Airlines
Deal found 7/7$1,333
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
SJU
-
SYD
2 stops57h 55m
United Airlines
Sat 9/510:20 am
SYD
-
SJU
2 stops63h 37m
United Airlines
Deal found 7/6$1,579
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:00 am
SJU
-
SYD
2 stops33h 50m
Delta
Tue 8/119:15 am
SYD
-
SJU
2 stops27h 14m
Delta
Deal found 7/7$1,597

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 July 10, 2026.

Round-trip from

$1,237
(United Airlines)

One-way from

$672
(American Airlines)

Popular in

July

Cheapest in

June

Average price

$2,533
From Puerto Rico to Sydney Kingsford Smith
Search Deals
One-way flight from Puerto Rico to Sydney Kingsford Smith
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 10, 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 round-trip

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 8/26

4:55 pm-7:00 am

2 stops48h 05m

Sydney Kingsford Smith

Thu 9/3

9:30 am-11:57 am

2 stops40h 27m

$1,237
Quickest round-trip

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 11/18

2:21 pm-9:05 am

2 stops27h 44m

Sydney Kingsford Smith

Sun 12/6

9:15 am-4:36 pm

1 stop22h 21m

$1,252

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 8/26

3:56 pm-7:00 am

2 stops49h 04m

Sydney Kingsford Smith

Fri 9/4

10:20 am-11:57 am

2 stops39h 37m

$1,447

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 8/5

7:00 am-6:50 am

2 stops33h 50m

Sydney Kingsford Smith

Tue 8/11

9:15 am-10:29 pm

2 stops27h 14m

$1,597

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 12/29

6:30 am-8:30 am

2 stops35h 00m

Sydney Kingsford Smith

Tue 1/19

2:15 pm-11:50 pm

2 stops24h 35m

$1,636
Cheapest one-way
Quickest one-way

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 9/6

10:33 am-7:05 am

2 stops30h 32m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Sorted by cheapest first

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 round-trip 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 $735). Flying from Puerto Rico to Sydney in July is currently the most expensive (average of $2,533). 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 Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated July 10, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Puerto Rico to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,966 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,966 reviews
United Airlines
7.4
Good
9,966 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.1
Good
11,799 reviews
United Airlines
7.4
Good
9,966 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Puerto Rico to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

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

    Airlines like United Airlines fly from Puerto Rico to Sydney in about 48h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Puerto Rico and Sydney is about 9907 mi.

  • 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 vacation 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 $735). Flying from Puerto Rico to Sydney in July is currently the most expensive (average of $2,533). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Puerto Rico to Sydney

Discover the top 2 airlines that operate flights from Puerto Rico to Sydney. 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 2,558,603 searches. Data last updated July 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,107Average$1,537FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,159Average$1,539FlexibilityNo cancel feeOn-time69%

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