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$1,132+ Cheap flights from Luis Munoz Marin Intl (SJU) to Australia

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
ago. 30 — sep. 61
sáb. 8/30
sáb. 9/6
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to Australia

Keep the following information in mind while searching for Luis Munoz Marin Intl to Australia flight deals. Data was last updated agosto 25, 2025.

Round-trip from

$1,381
(American Airlines)

One-way from

$1,132
(United Airlines)

Popular in

July

Cheapest in

May

Average price

$1,684
From San Juan Luis Munoz Marin Intl to Australia
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One-way flight from San Juan Luis Munoz Marin Intl to Australia
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Highest demand for flights based on searches. 8% potential increase in price ($159 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Luis Munoz Marin Intl to Australia

Cheapest flights from Luis Munoz Marin Intl to Australia
Explore the most affordable flight options available from Luis Munoz Marin Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 25, 2025.

This American Airlines deal was found by Cheapflights users on 8/25. 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.
mar. 11/187:00 amSJU - SYD
1 stop32h 55mAmerican Airlines
sáb. 11/292:20 pmSYD - SJU
1 stop30h 10mAmerican Airlines
Deal found 8/25$1,381
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/292:35 pmSJU - SYD
2 stops27h 25mAmerican Airlines
mié. 11/1211:20 amSYD - SJU
2 stops27h 32mAmerican Airlines
Deal found 8/24$1,384
This United Airlines deal was found by Cheapflights users on 8/25. 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.
lun. 11/107:45 amSJU - SYD
1 stop32h 15mUnited Airlines
vie. 11/2111:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 8/25$1,387
This United Airlines deal was found by Cheapflights users on 8/25. 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.
mié. 10/292:46 pmSJU - SYD
1 stop25h 14mUnited Airlines
mié. 11/1211:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 8/25$1,396
This United Airlines deal was found by Cheapflights users on 8/25. 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.
lun. 9/151:05 amSJU - SYD
2 stops39h 50mUnited Airlines
mar. 9/309:30 amSYD - SJU
2 stops28h 27mUnited Airlines
Deal found 8/25$1,401
This American Airlines deal was found by Cheapflights users on 8/25. 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.
mar. 9/233:55 pmSJU - SYD
2 stops25h 00mAmerican Airlines
mar. 10/71:10 pmSYD - SJU
1 stop40h 15mAmerican Airlines
Deal found 8/25$1,431
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/264:55 pmSJU - SYD
2 stops48h 05mUnited Airlines
jue. 9/49:30 amSYD - SJU
2 stops28h 27mUnited Airlines
Deal found 8/24$1,447
This United Airlines deal was found by Cheapflights users on 8/25. 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.
mié. 12/107:45 amSJU - SYD
1 stop32h 15mUnited Airlines
vie. 1/912:10 pmSYD - SJU
2 stops33h 01mUnited Airlines
Deal found 8/25$1,506
This American Airlines deal was found by Cheapflights users on 8/25. 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.
mié. 12/107:00 amSJU - SYD
1 stop32h 55mAmerican Airlines
vie. 1/92:20 pmSYD - SJU
1 stop22h 54mAmerican Airlines
Deal found 8/25$1,531
This United Airlines deal was found by Cheapflights users on 8/25. 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.
mar. 11/182:25 pmSJU - SYD
2 stops27h 40mUnited Airlines
dom. 11/3011:20 amSYD - SJU
2 stops46h 05mUnited Airlines
Deal found 8/25$1,572

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Australia 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 agosto 25, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Australia that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Australia

Route

Depart

Return

Price

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

mar. 11/18

3:56 pm-6:55 am

1 stop23h 59m

Sydney Kingsford Smith

sáb. 11/29

2:20 pm-5:30 am

1 stop30h 10m

$1,381

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

mar. 9/23

6:10 am-7:05 am

2 stops34h 55m

Sydney Kingsford Smith

mar. 10/7

10:10 am-11:59 pm

2 stops28h 49m

$1,384

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

mié. 10/29

2:35 pm-9:00 am

2 stops27h 25m

Sydney Kingsford Smith

mié. 11/12

11:20 am-11:52 pm

2 stops27h 32m

$1,384

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

mar. 9/16

6:10 am-7:30 am

2 stops35h 20m

Sydney Kingsford Smith

mar. 9/30

9:30 pm-6:14 pm

2 stops34h 44m

$1,385

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

vie. 12/12

2:05 am-9:05 am

2 stops40h 00m

$1,137

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

sáb. 12/13

2:05 am-6:20 am

2 stops37h 15m

$5,620

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Best time to book a flight from Luis Munoz Marin Intl to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to Australia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated agosto 25, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from San Juan Luis Munoz Marin Intl Airport to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,940 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
United Airlines
7.4
Good
8,940 reviews
United Airlines
7.4
Good
8,940 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,940 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Australia. 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 San Juan Luis Munoz Marin Intl Airport to Australia?

    Departing from San Juan Luis Munoz Marin Intl Airport to Australia will take you 23h 59m. The distance between San Juan Luis Munoz Marin Intl Airport and Australia is about 9907 mi.

  • Can I find deals for flights from Luis Munoz Marin Intl to Australia that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Australia?

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

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Australia?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Australia 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 Luis Munoz Marin Intl Airport to Australia?

    Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Australia (average of $1,030). Flying from San Juan Luis Munoz Marin Intl Airport to Australia in December is currently the most expensive (average of $1,615). 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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Top 2 airlines flying from Luis Munoz Marin Intl to Australia

Discover the top 2 airlines that operate flights from Luis Munoz Marin Intl to Australia. 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 agosto 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,294Average$1,615FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,321Average$1,862FlexibilityNo cancel feeOn-time69%

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