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$731+ Cheap flights from San Juan 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 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from San Juan to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 14, 2026.

Round-trip from

$1,399
(American Airlines)

One-way from

$731
(American Airlines)

Popular in

June

Cheapest in

September

Average price

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

Cheapest flights from San Juan to Sydney
Explore the most affordable flight options available from San Juan to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am
SJU
-
SYD
2 stops34h 20m
Air Canada
Sat 11/711:20 am
SYD
-
SJU
2 stops42h 20m
Air Canada
Deal found 1/13$1,183
This American Airlines deal was found by Cheapflights users on 1/13. 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 3/410:50 am
SJU
-
SYD
2 stops29h 35m
American Airlines
Wed 3/1111:20 am
SYD
-
SJU
2 stops26h 38m
American Airlines
Deal found 1/13$1,399
This United Airlines deal was found by Cheapflights users on 1/13. 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 3/47:40 am
SJU
-
SYD
1 stop32h 20m
United Airlines
Wed 3/1111:50 am
SYD
-
SJU
1 stop23h 36m
United Airlines
Deal found 1/13$1,410
This United Airlines deal was found by Cheapflights users on 1/12. 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.
Sun 3/159:15 am
SJU
-
SYD
2 stops32h 50m
United Airlines
Sun 3/2911:20 am
SYD
-
SJU
3 stops45h 18m
United Airlines
Deal found 1/12$1,415
This United Airlines deal was found by Cheapflights users on 1/13. 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 1/13$1,451
This Delta deal was found by Cheapflights users on 1/13. 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.
Tue 7/76:15 am
SJU
-
SYD
2 stops34h 20m
Delta
Thu 7/169:15 am
SYD
-
SJU
2 stops27h 45m
Delta
Deal found 1/13$1,465
This American Airlines deal was found by Cheapflights users on 1/13. 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 10/223:35 pm
SJU
-
SYD
1 stop24h 20m
American Airlines
Sat 11/72:05 pm
SYD
-
SJU
1 stop30h 25m
American Airlines
Deal found 1/13$1,495
This United Airlines deal was found by Cheapflights users on 1/14. 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 2/283:46 pm
SJU
-
SYD
1 stop24h 14m
United Airlines
Sat 3/711:50 am
SYD
-
SJU
1 stop42h 46m
United Airlines
Deal found 1/14$1,511
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 10/222:00 pm
SJU
-
SYD
2 stops27h 00m
United Airlines
Sat 11/712:10 pm
SYD
-
SJU
3 stops45h 15m
United Airlines
Deal found 1/13$1,615

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 14, 2026.
Use the filters below to find and compare flights from San Juan to Sydney that are best for you.

Fly from

San Juan

Fly to

Sydney

Route

Depart

Return

Price

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/15

1:30 pm-9:00 am

2 stops28h 30m

Sydney Kingsford Smith

Sun 3/29

6:50 pm-5:28 am

2 stops25h 38m

$1,399

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 3/4

10:50 am-7:25 am

2 stops29h 35m

Sydney Kingsford Smith

Wed 3/11

11:20 am-10:58 pm

2 stops26h 38m

$1,399

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 3/4

7:40 am-7:00 am

1 stop32h 20m

Sydney Kingsford Smith

Wed 3/11

11:50 am-8:26 pm

1 stop23h 36m

$1,410

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/15

9:15 am-7:00 am

1 stop30h 45m

Sydney Kingsford Smith

Sun 3/29

11:20 am-3:42 pm

2 stops43h 22m

$1,415

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

Tue 7/7

6:15 am-6:35 am

2 stops34h 20m

Sydney Kingsford Smith

Thu 7/16

9:15 am-11:00 pm

2 stops27h 45m

$1,465

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

2:23 pm-9:00 am

2 stops27h 37m

$731

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 1/19

3:46 pm-7:00 am

1 stop24h 14m

$827

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 1/19

6:15 am-8:30 am

2 stops35h 15m

$829

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 2/27

7:40 am-7:00 am

1 stop32h 20m

$894

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from San Juan to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from San Juan 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 San Juan to Sydney

What is the cheapest month to book a flight from San Juan to Sydney?

Currently, February is the cheapest month in which you can book a flight from San Juan to Sydney (average of $1,149). Flying from San Juan 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 14, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from San Juan 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
9,156 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,118 reviews
United Airlines
7.4
Good
9,156 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from San Juan to Sydney. You should not have trouble finding flights to Kingsford Smith from San Juan; the airport handles an average of 0 inbound flights from San Juan per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Sydney airport from San Juan. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from San Juan to Sydney?

    A quick flight from San Juan to Sydney can take about 28h 30m. American Airlines provides one of the quickest options available for as low as $1,399. The distance from San Juan to Sydney is about 9907 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Juan to Sydney round-trip?

    According to our current data, United Airlines ($1,159), and American Airlines ($1,192) offers the cheapest pricing from San Juan to Sydney. These flights start at 33% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Juan to Sydney that include hotel bookings?

    Yes. In addition to deals on San Juan to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Sydney?

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

  • Can I find deals for business class flights from San Juan to Sydney?

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Sydney?

    Currently, February is the cheapest month in which you can book a flight from San Juan to Sydney (average of $1,149). Flying from San Juan 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
Coogee

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Top 2 airlines flying from San Juan to Sydney

Discover the top 2 airlines that operate flights from San Juan 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 14, 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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