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$649+ 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 20 — Mar 271
Fri 3/20
Fri 3/27
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 18, 2026.

This Air Canada deal was found by Cheapflights users on 2/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:40 pm
SJU
-
SYD
2 stops49h 55m
Air Canada
Sat 3/1410:20 am
SYD
-
SJU
2 stops42h 20m
Air Canada
Deal found 2/14$1,236
This American Airlines deal was found by Cheapflights users on 2/16. 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 7/611:45 am
SJU
-
SYD
2 stops29h 45m
American Airlines
Mon 7/209:10 am
SYD
-
SJU
2 stops28h 31m
American Airlines
Deal found 2/16$1,305
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:40 pm
SJU
-
SYD
2 stops27h 20m
United Airlines
Wed 8/59:30 am
SYD
-
SJU
2 stops28h 20m
United Airlines
Deal found 2/17$1,321
This American Airlines deal was found by Cheapflights users on 2/17. 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.
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 2/17$1,346
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 5/24:55 pm
SJU
-
SYD
2 stops48h 00m
United Airlines
Sat 5/1610:20 am
SYD
-
SJU
2 stops27h 30m
United Airlines
Deal found 2/18$1,352
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/142:55 pm
SJU
-
SYD
2 stops26h 05m
United Airlines
Tue 8/410:20 am
SYD
-
SJU
2 stops25h 04m
United Airlines
Deal found 2/17$1,366
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 5/123:36 pm
SJU
-
SYD
1 stop25h 19m
American Airlines
Wed 8/59:10 am
SYD
-
SJU
2 stops27h 46m
American Airlines
Deal found 2/17$1,404
This American Airlines deal was found by Cheapflights users on 2/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/153:40 pm
SJU
-
SYD
2 stops26h 20m
American Airlines
Sun 3/299:25 pm
SYD
-
SJU
2 stops28h 31m
American Airlines
Deal found 2/14$1,405

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 18, 2026.

Round-trip from

$1,236
(Air Canada)

One-way from

$649
(Air Canada)

Popular in

June

Cheapest in

September

Average price

$1,524
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 ($436 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($79 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 18, 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

Sat 3/7

3:40 pm-8:35 am

2 stops49h 55m

Sydney Kingsford Smith

Sat 3/14

10:20 am-1:40 pm

2 stops42h 20m

$1,236

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 7/6

2:41 pm-7:30 am

2 stops26h 49m

Sydney Kingsford Smith

Mon 7/20

12:00 pm-11:16 pm

1 stop25h 16m

$1,306

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 5/11

1:25 pm-7:00 am

2 stops27h 35m

Sydney Kingsford Smith

Mon 8/3

9:30 am-9:24 pm

2 stops25h 54m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 5/12

2:55 pm-7:00 am

2 stops26h 05m

Sydney Kingsford Smith

Wed 8/5

10:20 am-9:24 pm

2 stops25h 04m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 5/11

7:40 am-6:55 am

2 stops33h 15m

Sydney Kingsford Smith

Wed 8/5

9:30 am-11:50 pm

2 stops28h 20m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 5/12

1:00 am-7:00 am

2 stops40h 00m

Sydney Kingsford Smith

Mon 8/3

10:20 am-9:24 pm

2 stops25h 04m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 5/13

7:00 am-7:00 am

2 stops34h 00m

Sydney Kingsford Smith

Tue 8/4

10:20 am-11:50 pm

2 stops27h 30m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 5/11

7:40 am-7:00 am

2 stops33h 20m

Sydney Kingsford Smith

Tue 8/4

9:30 am-11:50 pm

2 stops28h 20m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 5/12

1:25 pm-7:00 am

2 stops27h 35m

Sydney Kingsford Smith

Mon 8/3

9:30 am-11:50 pm

2 stops28h 20m

$1,321

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 5/13

1:40 pm-7:00 am

2 stops27h 20m

Sydney Kingsford Smith

Wed 8/5

9:30 am-11:50 pm

2 stops28h 20m

$1,321

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 17 results
1
2

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 $1,039). 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 18, 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
9,312 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,312 reviews
United Airlines
7.4
Good
9,312 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,304 reviews
United Airlines
7.4
Good
9,312 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 49m. 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, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Australia (average of $1,039). 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 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,159Average$1,841FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,192Average$1,591FlexibilityNo cancel feeOn-time71%

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