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$647+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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 3/151:23 pm
SJU
-
SYD
2 stops28h 37m
American Airlines
Sun 3/296:50 pm
SYD
-
SJU
2 stops25h 38m
American Airlines
Deal found 1/20$1,399
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/212:25 pm
SJU
-
SYD
2 stops27h 40m
United Airlines
Wed 1/2811:50 am
SYD
-
SJU
1 stop24h 36m
United Airlines
Deal found 1/20$1,410
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 3/141:05 am
SJU
-
SYD
2 stops38h 55m
United Airlines
Sun 3/2911:20 am
SYD
-
SJU
3 stops45h 18m
United Airlines
Deal found 1/20$1,415
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/267:33 am
SJU
-
SYD
1 stop32h 22m
American Airlines
Wed 3/111:05 pm
SYD
-
SJU
1 stop31h 23m
American Airlines
Deal found 1/20$1,445
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 5/24:55 pm
SJU
-
SYD
2 stops48h 00m
United Airlines
Sat 5/169:30 am
SYD
-
SJU
2 stops25h 54m
United Airlines
Deal found 1/20$1,451
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/197:33 am
SJU
-
SYD
1 stop32h 22m
American Airlines
Thu 2/262:05 pm
SYD
-
SJU
1 stop24h 26m
American Airlines
Deal found 1/20$1,495
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 5/21:31 pm
SJU
-
SYD
2 stops27h 34m
American Airlines
Sat 5/169:10 am
SYD
-
SJU
2 stops27h 51m
American Airlines
Deal found 1/20$1,498

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 January 21, 2026.

Round-trip from

$1,399
(American Airlines)

One-way from

$647
(Air Canada)

Popular in

June

Cheapest in

September

Average price

$1,756
From Puerto Rico to Sydney Kingsford Smith
Search Deals
One-way flight from Puerto Rico to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($420 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
Use the filters below to find and compare flights from Puerto Rico to Sydney that are best for you.

Fly from

Puerto Rico

Fly to

Sydney

Route

Depart

Return

Price

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 3/14

1:05 am-7:00 am

2 stops38h 55m

Sydney Kingsford Smith

Sun 3/29

11:20 am-5:38 pm

3 stops45h 18m

$1,415

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 2/26

12:30 pm-9:00 am

2 stops29h 30m

Sydney Kingsford Smith

Wed 3/11

11:20 am-10:31 pm

2 stops26h 11m

$1,448

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 5/2

4:55 pm-6:55 am

2 stops48h 00m

Sydney Kingsford Smith

Sat 5/16

9:30 am-9:24 pm

2 stops25h 54m

$1,451

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 5/2

3:36 pm-6:55 am

1 stop25h 19m

Sydney Kingsford Smith

Sat 5/16

12:00 pm-4:32 am

1 stop30h 32m

$1,495

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 2/19

7:33 am-6:55 am

1 stop32h 22m

Sydney Kingsford Smith

Thu 2/26

2:05 pm-11:31 pm

1 stop24h 26m

$1,495

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

7:40 am-9:35 am

2 stops34h 55m

$647

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

12:46 pm-9:00 am

2 stops29h 14m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 $1,149). Flying from Puerto Rico to Sydney in June is currently the most expensive (average of $2,630). 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 January 21, 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
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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
American Airlines
7.2
Good
11,174 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

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 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 and American Airlines fly from Puerto Rico to Sydney in about 29h 30m. The time it takes to get you to your destination can typically vary by up to 9h 25m. The distance between Puerto Rico and Sydney is about 9907 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $1,149). Flying from Puerto Rico to Sydney in June is currently the most expensive (average of $2,630). 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
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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,159Average$1,771FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,192Average$1,542FlexibilityNo cancel feeOn-time71%

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