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Cheap flights from Australia to San Juan from $986

SYD — SJU
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Australia to San Juan

Mon 2/1114:05 -
1 stop41h 04m
Mon 9/1106:28 -
1 stop33h 27m
Deal found 18/9$2,391
Mon 2/1110:40 -
2 stops27h 38m
Mon 9/1107:00 -
2 stops34h 30m
Deal found 18/9$2,403
Mon 2/1108:45 -
2 stops46h 24m
Mon 9/1116:59 -
3 stops47h 36m
Deal found 18/9$2,992
Mon 26/1010:15 -
1 stop25h 09m
Fri 30/1007:05 -
2 stops32h 55m
Deal found 17/9$3,048
Mon 26/1009:20 -
1 stop26h 04m
Thu 29/1007:25 -
2 stops33h 40m
Deal found 15/9$3,056
Mon 2/1111:20 -
3 stops39h 30m
Mon 9/1107:40 -
3 stops34h 55m
Deal found 18/9$3,417
Wed 30/1209:25 -
2 stops31h 02m
Tue 12/115:45 -
3 stops60h 40m
Deal found 17/9$4,130
Wed 30/1209:25 -
2 stops31h 02m
Tue 12/106:01 -
2 stops33h 49m
Deal found 17/9$4,139
Wed 30/1211:20 -
3 stops43h 20m
Tue 12/108:25 -
3 stops34h 10m
Deal found 17/9$6,987

Find flight deals from Australia to San Juan

Round-trip from

$2,350

One-way from

$986

Popular in

March

Cheapest in

January

Average price

$1,803
United Airlines
  • United Airlines
  • 16/3-29/3
  • 3 total stops
  • 74h 06m total
  • Australia to San Juan
Search Deals
American Airlines
  • American Airlines
  • 2/11-31/12
  • 2 total stops
  • 25h 28m total
  • Australia to San Juan
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($677 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($146 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Australia to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Mon 2/11

11:10-21:38

2 stops25h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$986
Fastest return journey

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Wed 17/2

09:15-16:36

1 stop22h 21m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$990

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Thu 18/2

11:50-15:40

2 stops42h 50m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$990

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Mon 2/11

09:20-21:24

1 stop27h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$994

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Mon 15/2

11:50-18:25

3 stops45h 35m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,398

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Thu 18/2

08:45-23:27

3 stops29h 42m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,803

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Sun 21/2

21:35-01:50

3 stops43h 15m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$2,312

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Sat 20/2

21:35-03:55

3 stops45h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$2,312

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Tue 16/3

10:20-20:26

2 stops25h 06m

San Juan Luis Munoz Marin Intl

Mon 29/3

13:40-07:55

3 stops51h 15m

$2,350

SydneySan Juan

SYD Sydney Kingsford Smith - SJU San Juan Luis Munoz Marin Intl

SYDSJU

Sydney Kingsford Smith

Mon 2/11

10:40-23:18

2 stops27h 38m

San Juan Luis Munoz Marin Intl

Mon 9/11

07:00-08:30

2 stops34h 30m

$2,403

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Australia to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Australia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Australia to San Juan

What is the cheapest month to book a flight from Australia to San Juan?

Currently, May is the cheapest month in which you can book a flight from Australia to San Juan (average of $1,438). Flying from Australia to San Juan in March is currently the most expensive (average of $3,145). 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 San Juan

Check out reviews from past customers who have flown with United Airlines from Australia to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,232 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
10,232 reviews
United Airlines
7.4
Good
10,232 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

  • How long is the flight from Australia to San Juan?

    United Airlines and Delta can get you from Australia to San Juan in just under 25h 06m. Your travel time can differ by up to 2h 32m. The distance from Australia to San Juan is about 15944 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Australia to San Juan that include hotel bookings?

    Yes. In addition to deals on Australia to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to San Juan.

  • Can I find deals for business class flights from Australia to San Juan?

    Yes. Cheapflights offers flight deals from Australia to San Juan 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 Australia to San Juan?

    Currently, May is the cheapest month in which you can book a flight from Australia to San Juan (average of $1,438). Flying from Australia to San Juan in March is currently the most expensive (average of $3,145). 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

Alternative routes for Australia to San Juan

Sydney to Luis Munoz Marin Intl flights

Top airline flying from Australia to San Juan

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,624Average$2,274FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Need flexible booking options for your flight to San Juan from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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