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$1,153+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
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 November 19, 2025.

Round-trip from

$1,226
(American Airlines)

One-way from

$1,153
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$1,913
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. 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 November 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 November 19, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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 12/292:25 pmSJU - SYD
2 stops48h 55mUnited Airlines
Fri 1/911:20 amSYD - SJU
2 stops33h 51mUnited Airlines
Deal found 11/19$1,950
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/182:47 pmSJU - SYD
2 stops27h 13mAmerican Airlines
Sat 11/2911:20 amSYD - SJU
2 stops27h 32mAmerican Airlines
Deal found 11/18$2,147
This United Airlines deal was found by Cheapflights users on 11/18. 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 11/238:30 amSJU - SYD
2 stops33h 35mUnited Airlines
Sun 11/3011:50 amSYD - SJU
2 stops25h 32mUnited Airlines
Deal found 11/18$2,150
This Etihad Airways deal was found by Cheapflights users on 11/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:10 amSJU - SYD
2 stops44h 45mMultiple Airlines
Tue 12/94:35 pmSYD - SJU
2 stops41h 18mMultiple Airlines
Deal found 11/17$2,152
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/183:46 pmSJU - SYD
1 stop24h 14mUnited Airlines
Sun 11/3011:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 11/18$2,159
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/183:46 pmSJU - SYD
1 stop24h 14mUnited Airlines
Sat 11/2911:50 amSYD - SJU
1 stop24h 36mUnited Airlines
Deal found 11/18$2,209

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 November 19, 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 3/15

1:45 pm-9:00 am

2 stops28h 15m

Sydney Kingsford Smith

Sun 3/29

6:45 pm-3:55 am

2 stops24h 10m

$1,226

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/15

6:45 am-7:00 am

1 stop33h 15m

Sydney Kingsford Smith

Sun 3/29

11:20 am-8:34 pm

2 stops48h 14m

$1,289

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 5/2

7:45 am-6:55 am

2 stops33h 10m

Sydney Kingsford Smith

Sat 5/16

10:20 am-11:54 pm

2 stops27h 34m

$1,330

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-8:30 am

2 stops35h 15m

Sydney Kingsford Smith

Tue 3/3

10:40 am-11:49 pm

2 stops28h 09m

$1,605

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 2/26

6:15 am-8:30 am

2 stops35h 15m

Sydney Kingsford Smith

Wed 3/4

10:40 am-11:49 pm

2 stops28h 09m

$1,605

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 11/27

2:05 am-7:00 am

2 stops37h 55m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 November 19, 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
9,023 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,023 reviews
United Airlines
7.4
Good
9,023 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,046 reviews
United Airlines
7.4
Good
9,023 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 28h 15m. 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,294Average$1,591FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,321Average$1,862FlexibilityNo cancel feeOn-time69%

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