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$698+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Mar 28 — Apr 41
Sat 3/28
Sat 4/4
1 adult, Economy
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Cheap 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 February 26, 2026.

This United Airlines deal was found by Cheapflights users on 2/25. 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 12/265:50 pm
SJU
-
SYD
2 stops45h 30m
United Airlines
Mon 1/1111:50 am
SYD
-
SJU
1 stop24h 36m
United Airlines
Deal found 2/25$1,217
This American Airlines deal was found by Cheapflights users on 2/25. 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 3/253:01 pm
SJU
-
SYD
1 stop24h 54m
American Airlines
Tue 5/269:10 am
SYD
-
SJU
2 stops29h 05m
American Airlines
Deal found 2/25$1,220
This Delta deal was found by Cheapflights users on 2/24. 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 12/296:30 am
SJU
-
SYD
2 stops33h 20m
Delta
Wed 1/2010:40 am
SYD
-
SJU
2 stops28h 10m
Delta
Deal found 2/24$1,231
This United Airlines deal was found by Cheapflights users on 2/26. 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 5/22:55 pm
SJU
-
SYD
2 stops50h 00m
United Airlines
Sat 5/169:30 am
SYD
-
SJU
2 stops28h 20m
United Airlines
Deal found 2/26$1,246
This American Airlines deal was found by Cheapflights users on 2/25. 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 2/2612:30 pm
SJU
-
SYD
2 stops29h 30m
American Airlines
Wed 3/1111:20 am
SYD
-
SJU
2 stops26h 38m
American Airlines
Deal found 2/25$1,253
This American Airlines deal was found by Cheapflights users on 2/25. 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 4/1110:01 am
SJU
-
SYD
2 stops31h 04m
American Airlines
Mon 4/209:10 am
SYD
-
SJU
2 stops26h 14m
American Airlines
Deal found 2/25$1,254
This United Airlines deal was found by Cheapflights users on 2/25. 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 6/292:55 pm
SJU
-
SYD
2 stops26h 05m
United Airlines
Fri 7/109:30 am
SYD
-
SJU
2 stops28h 20m
United Airlines
Deal found 2/25$1,260
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Mon 6/2911:55 am
SJU
-
SYD
2 stops29h 00m
American Airlines
Fri 7/1012:00 pm
SYD
-
SJU
1 stop30h 32m
American Airlines
Deal found 2/25$1,268
This Delta deal was found by Cheapflights users on 2/22. 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.
Thu 2/266:15 am
SJU
-
SYD
2 stops35h 15m
Delta
Tue 3/101:15 pm
SYD
-
SJU
2 stops25h 00m
Delta
Deal found 2/22$1,272

Find 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 February 26, 2026.

Round-trip from

$1,220
(American Airlines)

One-way from

$698
(American Airlines)

Popular in

July

Cheapest in

September

Average price

$1,524
From San Juan to Sydney Kingsford Smith
Search Deals
One-way flight from San Juan to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($264 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 February 26, 2026.
Use the filters below to find and compare flights from San Juan to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 4/11

6:45 am-6:55 am

1 stop34h 10m

Sydney Kingsford Smith

Mon 4/20

9:10 am-9:24 pm

2 stops26h 14m

$1,261

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 5/6

11:43 am-7:05 am

2 stops29h 22m

Sydney Kingsford Smith

Sat 5/16

12:00 pm-4:32 am

1 stop30h 32m

$1,261

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 4/18

1:31 pm-7:05 am

2 stops27h 34m

Sydney Kingsford Smith

Sat 4/25

9:10 am-10:05 pm

2 stops26h 55m

$1,293

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/15

6:40 am-7:00 am

1 stop33h 20m

Sydney Kingsford Smith

Sun 3/29

11:20 am-5:38 pm

2 stops69h 18m

$1,499

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 3/23

7:30 am-7:00 am

2 stops32h 30m

Sydney Kingsford Smith

Mon 3/30

11:20 am-5:38 pm

3 stops45h 18m

$1,501

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 4/13

10:03 am-7:05 am

2 stops31h 02m

$698

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 4/27

7:00 am-7:00 am

2 stops34h 00m

$699

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 4/27

6:25 am-7:10 pm

3 stops46h 45m

$1,252

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Sorted by cheapest first

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 $1,039). Flying from San Juan to Sydney in December is currently the most expensive (average of $1,624). 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.

How much does it cost to fly round-trip from San Juan to Sydney?

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 February 26, 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
9,348 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,348 reviews
United Airlines
7.4
Good
9,348 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.2
Good
11,352 reviews
United Airlines
7.4
Good
9,348 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 34h 10m. American Airlines provides one of the quickest options available for as low as $1,261. The distance from San Juan to Sydney is about 9907 mi.

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

    According to our current data, American Airlines ($1,192), and United Airlines ($1,459) offers the cheapest pricing from San Juan to Sydney. These flights start at 30% 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 $1,039). Flying from San Juan to Sydney in December is currently the most expensive (average of $1,624). 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

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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 February 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,192Average$1,591FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,459Average$1,862FlexibilityNo cancel feeOn-time69%

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