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$552+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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 12/257:00 amSJU - SYD
1 stop32h 55mAmerican Airlines
Sun 1/182:05 pmSYD - SJU
1 stop23h 21mAmerican Airlines
Deal found 12/2$1,531
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/295:50 pmSJU - SYD
2 stops46h 10mUnited Airlines
Fri 1/92:00 pmSYD - SJU
2 stops38h 17mUnited Airlines
Deal found 12/2$1,813
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/2210:25 amSJU - SYD
2 stops31h 35mAmerican Airlines
Mon 12/292:05 pmSYD - SJU
1 stop24h 17mAmerican Airlines
Deal found 12/4$2,060
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sun 12/288:10 amSJU - SYD
2 stops33h 55mUnited Airlines
Fri 1/912:10 pmSYD - SJU
2 stops40h 07mUnited Airlines
Deal found 12/3$2,087

Find 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 December 4, 2025.

Round-trip from

$1,143
(American Airlines)

One-way from

$552
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,773
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
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 4, 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

Sun 2/15

7:30 am-6:55 am

1 stop32h 25m

Sydney Kingsford Smith

Sun 2/22

2:05 pm-11:32 pm

1 stop24h 27m

$1,143

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 12/25

7:00 am-6:55 am

1 stop32h 55m

Sydney Kingsford Smith

Sun 1/18

11:20 am-10:26 pm

2 stops26h 06m

$1,535

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 12/29

5:50 pm-7:00 am

2 stops46h 10m

Sydney Kingsford Smith

Fri 1/9

2:00 pm-1:17 pm

2 stops38h 17m

$1,813

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 2/5

9:25 pm-6:50 am

2 stops42h 25m

Sydney Kingsford Smith

Mon 2/9

3:50 pm-3:59 pm

2 stops39h 09m

$1,877

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 1/31

3:40 pm-9:35 am

2 stops50h 55m

Sydney Kingsford Smith

Wed 2/11

11:20 am-12:55 pm

3 stops40h 35m

$1,944

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 12/22

10:25 am-9:00 am

2 stops31h 35m

Sydney Kingsford Smith

Mon 12/29

2:05 pm-11:22 pm

1 stop24h 17m

$2,060

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 12/28

8:10 am-9:05 am

2 stops33h 55m

Sydney Kingsford Smith

Fri 1/9

12:10 pm-1:17 pm

2 stops40h 07m

$2,087

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/8

5:00 am-12:35 pm

3 stops40h 35m

$552

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/8

9:15 am-8:35 am

2 stops32h 20m

$646

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/8

3:03 pm-6:55 am

1 stop24h 52m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 15 results
1
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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 December 4, 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
9,066 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 32h 25m. 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.

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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,292Average$1,542FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,321Average$1,776FlexibilityNo cancel feeOn-time69%

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