Cheap flights from Australia to San Juan from $1,131

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SJU
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Australia to San Juan

Keep the following information in mind while searching for Australia to San Juan flight deals. Data was last updated 21 October 2025.

Round-trip from

$1,792

One-way from

$1,131

Popular in

December

Cheapest in

March

Average price

$2,070
Air Canada
  • Air Canada
  • 4/12-11/12
  • 4 total stops
  • 96h 30m total
  • Australia to San Juan
United Airlines
  • United Airlines
  • 8/12
  • 2 total stops
  • 40h 29m total
  • Australia to San Juan
Highest demand for flights based on searches. 9% potential increase in price ($376 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($42 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find flight deals from Australia to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Australia to San Juan
Explore the most affordable flight options available from Australia to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Thu 4/1216:00SYD - SJU
2 stops61h 40mAir Canada
Thu 11/1207:45SJU - SYD
2 stops34h 50mAir Canada
Deal found 19/10$1,792
Mon 8/1211:20SYD - SJU
2 stops25h 06mUnited Airlines
Sat 13/1217:50SJU - SYD
2 stops45h 30mUnited Airlines
Deal found 20/10$2,070
Sun 16/1111:50SYD - SJU
1 stop24h 36mUnited Airlines
Sun 23/1107:45SJU - SYD
1 stop32h 15mUnited Airlines
Deal found 18/10$2,146
Thu 4/1211:50SYD - SJU
1 stop24h 36mUnited Airlines
Thu 11/1208:10SJU - SYD
2 stops33h 55mUnited Airlines
Deal found 19/10$2,525
Mon 8/1214:05SYD - SJU
1 stop39h 39mAmerican Airlines
Sat 13/1215:45SJU - SYD
1 stop24h 10mAmerican Airlines
Deal found 20/10$2,744
Thu 4/1216:00SYD - SJU
3 stops35h 32mMultiple Airlines
Thu 11/1207:00SJU - SYD
3 stops35h 35mMultiple Airlines
Deal found 19/10$2,773
Mon 8/1214:05SYD - SJU
1 stop25h 50mMultiple Airlines
Fri 12/1203:59SJU - SYD
2 stops35h 56mMultiple Airlines
Deal found 20/10$4,058

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to San Juan 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 647,157 searches. Data last updated 21 October 2025.
Use the filters below to find and compare flights from Australia to San Juan that are best for you.

Fly from

Australia

Fly to

San Juan

Route

Depart

Return

Price

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 4/12

16:00-14:40

2 stops61h 40m

San Juan Luis Munoz Marin Intl

Thu 11/12

07:45-09:35

2 stops34h 50m

$1,792

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 8/12

11:20-21:26

2 stops25h 06m

San Juan Luis Munoz Marin Intl

Sat 13/12

17:50-06:20

2 stops45h 30m

$2,070

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 16/11

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Sat 22/11

02:05-07:00

2 stops37h 55m

$2,146

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 4/12

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Thu 11/12

08:10-09:05

2 stops33h 55m

$2,525

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

10:40-21:58

2 stops26h 18m

San Juan Luis Munoz Marin Intl

Tue 10/3

07:30-07:30

2 stops33h 00m

$2,604

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

13:05-03:55

1 stop29h 50m

San Juan Luis Munoz Marin Intl

Tue 10/3

13:40-09:00

2 stops28h 20m

$2,653

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Tue 10/3

14:46-07:00

1 stop25h 14m

$2,668

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 8/12

11:20-12:49

2 stops40h 29m

$1,131

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

14:05-22:22

1 stop23h 17m

$1,655

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

14:00-18:25

3 stops67h 25m

$2,568

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 11 results
1
2

Best time to book a flight from Australia to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Australia with our price prediction graph.
Estimated return 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 Australia to San Juan

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

Currently, October is the cheapest month in which you can book a flight from Australia to San Juan (average of $996). Flying from Australia to San Juan in December is currently the most expensive (average of $2,133). 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.

What is the cheapest time of day to fly from AU to SJU?

Find hourly flight availability from Australia to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 October 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 21% on flights from Australia to San Juan by exploring options for tickets at midday.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated 21 October 2025.
Check out reviews from past customers who have flown with Qatar Airways and United Airlines from Australia to San Juan 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.

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Boarding

7.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Boarding

7.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Boarding

7.5

Entertainment

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

Find useful and relevant information for your journey from Australia to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Australia to San Juan?

    Air Canada and United Airlines can get you from Australia to San Juan in just under 25h 06m. Your travel time can differ by up to 36h 34m. The distance from Australia to San Juan is about 15944 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Australia to San Juan (average of $996). Flying from Australia to San Juan in December is currently the most expensive (average of $2,133). 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

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Alternative routes for Australia to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Australia to San Juan

Discover the top 2 airlines that operate flights from Australia to San Juan. 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 647,157 searches. Data last updated 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,326Average$2,404FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapest$2,555Average$3,228FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to San Juan?

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Can Cheapflights find flights from Australia to San Juan with no change fees?

Need flexible booking options for your flight to San Juan from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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