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$778+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$1,387
(American Airlines)

One-way from

$778
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$1,506
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 ($157 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 September 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 septiembre 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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. 10/293:00 pmSJU - SYD
2 stops27h 00mAmerican Airlines
mié. 11/1211:20 amSYD - SJU
2 stops27h 32mAmerican Airlines
Deal found 9/15$1,387
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2011:56 amSJU - SYD
2 stops29h 09mAmerican Airlines
dom. 11/22:05 pmSYD - SJU
1 stop31h 05mAmerican Airlines
Deal found 9/17$1,388
This United Airlines deal was found by Cheapflights users on 9/15. 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
2 stops34h 30mUnited Airlines
vie. 11/2111:20 amSYD - SJU
2 stops28h 16mUnited Airlines
Deal found 9/15$1,391
This United Airlines deal was found by Cheapflights users on 9/15. 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. 10/291:25 pmSJU - SYD
2 stops28h 40mUnited Airlines
mié. 11/1211:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 9/15$1,400
This United Airlines deal was found by Cheapflights users on 9/15. 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.
dom. 10/191:05 amSJU - SYD
2 stops39h 55mUnited Airlines
jue. 10/3011:05 amSYD - SJU
2 stops24h 21mUnited Airlines
Deal found 9/15$1,404
This United Airlines deal was found by Cheapflights users on 9/14. 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. 10/151:30 pmSJU - SYD
2 stops27h 30mUnited Airlines
mié. 10/2911:50 amSYD - SJU
1 stop23h 36mUnited Airlines
Deal found 9/14$1,460
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 12/63:46 pmSJU - SYD
1 stop24h 14mUnited Airlines
lun. 1/1211:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 9/15$1,475
This United Airlines deal was found by Cheapflights users on 9/15. 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. 10/157:00 amSJU - SYD
2 stops34h 00mUnited Airlines
mié. 10/2211:20 amSYD - SJU
2 stops40h 14mUnited Airlines
Deal found 9/15$1,534
This United Airlines deal was found by Cheapflights users on 9/15. 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. 11/187:45 amSJU - SYD
1 stop32h 15mUnited Airlines
sáb. 11/2911:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 9/15$1,545

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 septiembre 17, 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

mié. 12/10

3:10 pm-9:00 am

2 stops26h 50m

Sydney Kingsford Smith

lun. 1/12

11:15 am-11:40 pm

2 stops27h 25m

$1,387

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

mié. 10/29

3:00 pm-9:00 am

2 stops27h 00m

Sydney Kingsford Smith

mié. 11/12

11:20 am-11:52 pm

2 stops27h 32m

$1,387

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

lun. 11/10

7:45 am-9:05 am

2 stops34h 20m

Sydney Kingsford Smith

vie. 11/21

11:50 am-9:26 pm

1 stop24h 36m

$1,391

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

lun. 11/17

7:45 am-7:00 am

1 stop32h 15m

Sydney Kingsford Smith

jue. 11/27

11:50 am-9:26 pm

1 stop24h 36m

$1,400

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

lun. 2/9

7:45 am-7:00 am

1 stop32h 15m

Sydney Kingsford Smith

mar. 2/17

11:20 am-6:25 pm

2 stops46h 05m

$1,400

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

mié. 10/29

6:45 am-7:00 am

1 stop33h 15m

Sydney Kingsford Smith

mié. 11/12

11:50 am-9:26 pm

1 stop24h 36m

$1,400

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

vie. 10/3

3:56 pm-7:00 am

2 stops49h 04m

$778

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

vie. 10/10

1:05 am-8:00 am

2 stops39h 55m

$1,433

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

jue. 10/2

3:03 am-5:10 pm

2 stops48h 07m

$2,862

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 septiembre 17, 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
8,926 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 26h 50m. The distance between San Juan Luis Munoz Marin Intl Airport and Australia is about 9907 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, March is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Australia (average of $1,032). Flying from San Juan Luis Munoz Marin Intl Airport to Australia in December is currently the most expensive (average of $1,627). 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,294Average$1,591FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,321Average$1,841FlexibilityNo cancel feeOn-time69%

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