Cheap flights from Australia to San Juan from $1,235

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SJU
17 Oct — 24 Oct1
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 17 September 2025.

Round-trip from

$1,723

One-way from

$1,235

Popular in

December

Cheapest in

March

Average price

$2,439
American Airlines
  • American Airlines
  • 26/11-1/12
  • 4 total stops
  • 59h 24m total
  • Australia to San Juan
Delta
  • Delta
  • 30/10
  • 2 total stops
  • 45h 53m total
  • Australia to San Juan
Highest demand for flights based on searches. 16% potential increase in price ($694 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($113 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Australia to San Juan

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 17 September 2025.

Wed 26/1111:20SYD - SJU
2 stops28h 24mAmerican Airlines
Mon 1/1211:00SJU - SYD
2 stops31h 00mAmerican Airlines
Deal found 15/9$1,723
Fri 31/1011:20SYD - SJU
2 stops27h 39mBritish Airways
Fri 7/1117:59SJU - SYD
2 stops48h 01mBritish Airways
Deal found 16/9$1,961
Fri 31/1011:05SYD - SJU
2 stops25h 17mUnited Airlines
Fri 7/1114:25SJU - SYD
2 stops49h 35mUnited Airlines
Deal found 16/9$1,987
Fri 31/1021:15SYD - SJU
3 stops51h 37mTurkish Airlines
Fri 7/1108:05SJU - SYD
3 stops44h 15mTurkish Airlines
Deal found 16/9$2,466
Wed 26/1111:20SYD - SJU
2 stops25h 06mUnited Airlines
Mon 1/1208:30SJU - SYD
3 stops33h 35mUnited Airlines
Deal found 15/9$2,809
Sat 20/1212:10SYD - SJU
2 stops43h 26mUnited Airlines
Mon 5/107:45SJU - SYD
2 stops34h 20mUnited Airlines
Deal found 16/9$3,406
Fri 31/1010:20SYD - SJU
3 stops40h 15mMultiple Airlines
Fri 7/1121:25SJU - SYD
2 stops42h 25mMultiple Airlines
Deal found 16/9$3,425
Fri 19/1221:25SYD - SJU
2 stops29h 32mAmerican Airlines
Fri 2/110:26SJU - SYD
2 stops29h 59mAmerican Airlines
Deal found 16/9$3,541
Wed 26/1111:20SYD - SJU
2 stops43h 20mAir Canada
Mon 1/1217:50SJU - SYD
3 stops48h 45mAir Canada
Deal found 15/9$3,602

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 17 September 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

Wed 26/11

14:05-06:10

1 stop31h 05m

San Juan Luis Munoz Marin Intl

Mon 1/12

16:08-06:55

1 stop23h 47m

$1,738

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 31/10

11:05-21:22

2 stops25h 17m

San Juan Luis Munoz Marin Intl

Fri 7/11

14:25-07:00

2 stops49h 35m

$1,987

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

14:00-13:40

2 stops38h 40m

San Juan Luis Munoz Marin Intl

Mon 9/3

01:05-07:00

2 stops38h 55m

$2,370

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 30/10

09:40-16:33

2 stops45h 53m

$1,235

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 30/10

11:50-15:36

1 stop42h 46m

$1,235

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

11:20-21:26

2 stops25h 06m

$1,656

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

14:05-22:14

1 stop23h 09m

$2,239

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 10/1

21:15-02:33

3 stops44h 18m

$4,177

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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 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 17 September 2025.

When flying from Australia to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 17 September 2025.
Check out reviews from past customers who have flown with Qatar Airways, United Airlines, andAmerican 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

Entertainment

7.4

Boarding

7.5

Overall

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

Entertainment

7.4

Boarding

7.5

Overall

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

Entertainment

7.4

Boarding

7.5

Overall

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

Entertainment

7.4

Boarding

7.5

Overall

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?

    American Airlines and United Airlines can get you from Australia to San Juan in just under 25h 17m. Your travel time can differ by up to 5h 48m. 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.

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 3 airlines flying from Australia to San Juan

Discover the top 3 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,157Average$3,249FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,586Average$2,253FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapest$2,491Average$3,147FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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

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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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