HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$647+ 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
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Luis Munoz Marin Intl to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:30 amSJU - SYD
2 stops30h 50mUnited Airlines
Fri 1/92:00 pmSYD - SJU
2 stops31h 11mUnited Airlines
Deal found 12/16$2,202
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:52 pmSJU - SYD
2 stops47h 08mUnited Airlines
Sat 1/32:00 pmSYD - SJU
2 stops43h 25mUnited Airlines
Deal found 12/16$2,991
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/2112:47 pmSJU - SYD
2 stops29h 13mAmerican Airlines
Tue 12/239:25 pmSYD - SJU
2 stops31h 16mAmerican Airlines
Deal found 12/17$3,049
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:33 amSJU - SYD
2 stops29h 52mMultiple Airlines
Sun 12/212:05 pmSYD - SJU
1 stop25h 28mMultiple Airlines
Deal found 12/15$3,435
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:08 amSJU - SYD
2 stops30h 17mMultiple Airlines
Tue 12/232:05 pmSYD - SJU
1 stop31h 29mMultiple Airlines
Deal found 12/17$3,532
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:07 amSJU - SYD
2 stops30h 18mMultiple Airlines
Mon 12/222:05 pmSYD - SJU
1 stop31h 29mMultiple Airlines
Deal found 12/16$3,633

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 18, 2025.

Round-trip from

$1,144
(American Airlines)

One-way from

$647
(Air Canada)

Popular in

June

Cheapest in

September

Average price

$1,712
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. 16% potential increase in price ($337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 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

11:46 am-9:00 am

2 stops30h 14m

Sydney Kingsford Smith

Sun 3/29

1:00 pm-10:31 pm

1 stop24h 31m

$1,148

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 5/2

2:55 pm-7:00 am

2 stops50h 05m

Sydney Kingsford Smith

Sat 5/16

9:30 am-8:38 pm

2 stops25h 08m

$1,201

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 3/15

9:15 am-9:05 am

2 stops32h 50m

Sydney Kingsford Smith

Sun 3/29

11:20 am-5:38 pm

3 stops45h 18m

$1,204

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 2/25

7:45 am-7:00 am

1 stop32h 15m

Sydney Kingsford Smith

Thu 4/9

9:30 am-5:38 pm

2 stops46h 08m

$1,210

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

$1,961

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 1/16

3:46 pm-7:00 am

1 stop24h 14m

Sydney Kingsford Smith

Fri 1/23

11:50 am-4:36 pm

1 stop43h 46m

$2,011

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

7:45 am-9:35 am

2 stops34h 50m

$647

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 2/24

7:30 am-6:55 am

1 stop32h 25m

$732

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Mon 4/27

7:00 am-6:55 am

2 stops33h 55m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December 18, 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
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

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
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

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
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

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 30h 14m. 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 $1,149). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,159Average$1,771FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,292Average$1,542FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.