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$821+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SYD
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
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 February 2, 2026.

This American Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 3/186:33 am
SJU
-
SYD
1 stop33h 22m
American Airlines
Wed 3/251:05 pm
SYD
-
SJU
1 stop31h 23m
American Airlines
Deal found 2/1$1,314
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/27:33 am
SJU
-
SYD
1 stop32h 22m
American Airlines
Mon 3/911:20 am
SYD
-
SJU
2 stops26h 11m
American Airlines
Deal found 2/1$1,317
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 3/156:33 am
SJU
-
SYD
1 stop33h 22m
American Airlines
Sun 3/299:25 pm
SYD
-
SJU
2 stops30h 08m
American Airlines
Deal found 2/1$1,318
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 3/186:40 am
SJU
-
SYD
1 stop33h 20m
United Airlines
Wed 3/2510:25 am
SYD
-
SJU
2 stops46h 00m
United Airlines
Deal found 1/31$1,329
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/267:33 am
SJU
-
SYD
1 stop32h 22m
American Airlines
Wed 3/111:05 pm
SYD
-
SJU
1 stop31h 23m
American Airlines
Deal found 2/1$1,364
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 5/24:55 pm
SJU
-
SYD
2 stops48h 00m
United Airlines
Sat 5/169:30 am
SYD
-
SJU
2 stops25h 08m
United Airlines
Deal found 2/1$1,370
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 7/181:40 pm
SJU
-
SYD
2 stops27h 20m
United Airlines
Fri 7/319:30 am
SYD
-
SJU
2 stops46h 08m
United Airlines
Deal found 1/31$1,623
This American Airlines deal was found by Cheapflights users on 1/31. 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.
Sat 7/185:37 am
SJU
-
SYD
1 stop35h 18m
American Airlines
Fri 7/319:10 am
SYD
-
SJU
2 stops27h 41m
American Airlines
Deal found 1/31$1,764

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 February 2, 2026.

Round-trip from

$1,314
(American Airlines)

One-way from

$821
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$1,465
From San Juan Luis Munoz Marin Intl to Australia
Search Deals
One-way flight from San Juan Luis Munoz Marin Intl to Australia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($422 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($80 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 2, 2026.
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

Wed 3/18

6:33 am-6:55 am

1 stop33h 22m

Sydney Kingsford Smith

Wed 3/25

1:05 pm-5:28 am

1 stop31h 23m

$1,314

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 5/6

11:43 am-7:05 am

2 stops29h 22m

Sydney Kingsford Smith

Wed 5/20

12:00 pm-11:02 pm

1 stop25h 02m

$1,317

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/15

1:23 pm-9:00 am

2 stops28h 37m

Sydney Kingsford Smith

Sun 3/29

9:25 pm-12:33 pm

2 stops30h 08m

$1,317

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 3/2

7:33 am-6:55 am

1 stop32h 22m

Sydney Kingsford Smith

Mon 3/9

11:20 am-10:31 pm

2 stops26h 11m

$1,317

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 3/18

2:46 pm-7:00 am

1 stop25h 14m

Sydney Kingsford Smith

Wed 3/25

11:50 am-3:36 pm

1 stop42h 46m

$1,329

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 2/26

7:33 am-6:55 am

1 stop32h 22m

Sydney Kingsford Smith

Wed 3/11

1:05 pm-5:28 am

1 stop31h 23m

$1,364

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

10:50 am-9:00 am

2 stops31h 10m

$821

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

10:57 am-7:20 pm

3 stops65h 23m

$1,050

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 4/27

5:15 pm-7:10 pm

3 stops59h 55m

$1,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

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

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 $1,149). Flying from San Juan Luis Munoz Marin Intl Airport to Australia in June is currently the most expensive (average of $2,630). 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.

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 February 2, 2026.
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
9,229 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,229 reviews
United Airlines
7.4
Good
9,229 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,212 reviews
United Airlines
7.4
Good
9,229 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 33h 22m. 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 $1,149). Flying from San Juan Luis Munoz Marin Intl Airport to Australia in June is currently the most expensive (average of $2,630). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,159Average$1,700FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,192Average$1,542FlexibilityNo cancel feeOn-time71%

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