Sydney

$1,153+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Dec 20 — Dec 271
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/294:52 pmSJU - SYD
2 stops46h 28mUnited Airlines
Fri 1/911:20 amSYD - SJU
2 stops44h 16mUnited Airlines
Deal found 11/20$1,950
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/182:47 pmSJU - SYD
2 stops27h 13mAmerican Airlines
Sat 11/2911:20 amSYD - SJU
2 stops27h 32mAmerican Airlines
Deal found 11/18$2,147
This United Airlines deal was found by Cheapflights users on 11/18. 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 11/238:30 amSJU - SYD
2 stops33h 35mUnited Airlines
Sun 11/3011:50 amSYD - SJU
2 stops25h 32mUnited Airlines
Deal found 11/18$2,150
This Etihad Airways deal was found by Cheapflights users on 11/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:10 amSJU - SYD
2 stops44h 45mMultiple Airlines
Tue 12/94:35 pmSYD - SJU
2 stops41h 18mMultiple Airlines
Deal found 11/17$2,152
This United Airlines deal was found by Cheapflights users on 11/18. 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 11/183:46 pmSJU - SYD
1 stop24h 14mUnited Airlines
Sun 11/3011:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 11/18$2,159
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/27:45 amSJU - SYD
1 stop32h 15mUnited Airlines
Tue 12/911:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 11/17$2,160
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/113:46 pmSJU - SYD
1 stop24h 14mUnited Airlines
Tue 12/2311:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 11/19$2,209
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/177:45 amSJU - SYD
2 stops31h 35mUnited Airlines
Wed 12/2411:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 11/18$2,485
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/1711:00 amSJU - SYD
2 stops29h 25mAmerican Airlines
Wed 12/248:10 pmSYD - SJU
2 stops33h 42mAmerican Airlines
Deal found 11/18$2,547

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 November 20, 2025.

Round-trip from

$1,226
(American Airlines)

One-way from

$1,153
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$1,913
From San Juan to Sydney Kingsford Smith
One-way flight from San Juan to Sydney Kingsford Smith
Highest demand for flights based on searches. 7% potential increase in price ($129 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in November 2025

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 November 20, 2025.
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

3:30 pm-6:55 am

1 stop24h 25m

Sydney Kingsford Smith

Sun 3/29

6:45 pm-3:55 am

2 stops24h 10m

$1,227

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-5:38 pm

2 stops45h 18m

$1,283

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 5/15

7:30 am-6:35 am

2 stops33h 05m

Sydney Kingsford Smith

Fri 6/5

9:25 am-10:54 pm

2 stops27h 29m

$1,343

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 5/11

7:25 am-6:55 am

2 stops33h 30m

Sydney Kingsford Smith

Mon 5/18

10:20 am-11:57 pm

2 stops27h 37m

$1,512

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 2/22

2:05 am-7:00 am

2 stops37h 55m

Sydney Kingsford Smith

Mon 3/2

11:50 am-10:22 pm

2 stops25h 32m

$1,512

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 11/27

2:05 am-7:00 am

2 stops37h 55m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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
No data available for this route at this time. Please check back soon.

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 November 20, 2025.
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.

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

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 24h 25m. United Airlines provides one of the quickest options available for as low as $1,373. 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, American Airlines ($1,294), and United Airlines ($1,321) offers the cheapest pricing from San Juan to Sydney. These flights start at 23% 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,294Average$1,591FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,321Average$1,862FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.