Cheap flights from Australia to San Juan from $1,119

SYD — SJU
2 Dec — 9 Dec1
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 16/1112:45 -
2 stops38h 05m
Wed 25/1108:25 -
2 stops34h 05m
Deal found 1/11$1,885
Mon 16/1106:00 -
2 stops33h 16m
Wed 25/1117:03 -
1 stop44h 57m
Deal found 1/11$2,733
Tue 15/1209:25 -
2 stops47h 59m
Tue 22/1223:40 -
2 stops40h 10m
Deal found 31/10$3,313
Mon 16/1122:35 -
3 stops41h 38m
Wed 25/1106:00 -
3 stops47h 45m
Deal found 1/11$3,329
Wed 16/1209:15 -
2 stops30h 21m
Wed 23/1210:15 -
2 stops31h 50m
Deal found 31/10$3,426
Tue 15/1209:40 -
2 stops26h 55m
Tue 22/1217:12 -
1 stop23h 18m
Deal found 31/10$3,431
Tue 15/1209:40 -
1 stop28h 29m
Mon 21/1201:20 -
1 stop39h 10m
Deal found 31/10$3,454
Tue 15/1214:05 -
1 stop25h 04m
Tue 22/1212:36 -
2 stops29h 24m
Deal found 31/10$3,553
Thu 17/1213:10 -
2 stops31h 00m
Thu 24/1212:35 -
2 stops27h 15m
Deal found 2/11$3,615
Thu 17/1211:10 -
2 stops25h 12m
Thu 24/1210:15 -
2 stops29h 10m
Deal found 1/11$3,634
Thu 17/1214:05 -
1 stop24h 54m
Thu 24/1211:41 -
2 stops27h 44m
Deal found 1/11$3,659
Thu 17/1211:20 -
2 stops41h 20m
Thu 24/1214:21 -
3 stops51h 09m
Deal found 2/11$3,672

Find flight deals from Australia to San Juan

Round-trip from

$1,885

One-way from

$1,119

Popular in

January

Cheapest in

September

Average price

$2,644
United Airlines
  • United Airlines
  • 16/11-25/11
  • 4 total stops
  • 72h 10m total
  • Australia to San Juan
Delta
  • Delta
  • 9/11-31/12
  • 2 total stops
  • 28h 05m total
  • Australia to San Juan
Highest demand for flights based on searches. 11% potential increase in price ($468 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease ($227 potential savings vs. average return price).
Average for round-trip flights in November 2026

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

Sun 21/2

22:20-07:03

2 stops47h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,280
Fastest return journey

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Sun 21/2

09:15-16:36

1 stop22h 21m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,351

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Tue 12/1

10:10-23:58

2 stops28h 48m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,645

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Sun 10/1

10:10-14:30

2 stops43h 20m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,823

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Sat 9/1

10:10-16:07

2 stops44h 57m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,823

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Mon 16/11

12:45-11:50

2 stops38h 05m

San Juan Luis Munoz Marin Intl

Wed 25/11

08:25-09:30

2 stops34h 05m

$1,885

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Thu 7/1

13:35-13:03

3 stops38h 28m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,907

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Tue 12/1

12:00-21:54

1 stop24h 54m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$2,222

MelbourneSan Juan

MEL Melbourne - SJU San Juan Luis Munoz Marin Intl

MELSJU

Melbourne

Thu 7/1

10:10-16:07

2 stops44h 57m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-14:00

Nonstop0h 00m

$2,291

SydneySan Juan

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

SYDSJU

Sydney Kingsford Smith

Sun 7/2

11:20-14:51

2 stops42h 31m

San Juan Luis Munoz Marin Intl

Thu 11/2

07:14-09:00

2 stops34h 46m

$2,331

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 28 resultsSorted by cheapest first
1
2
3

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, April is the cheapest month in which you can book a flight from Australia to San Juan (average of $1,240). Flying from Australia to San Juan in March is currently the most expensive (average of $3,193). 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 and American 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.

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

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.

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

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.

Overall

7.3

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

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, American Airlines, and Qatar Airways can get you from Australia to San Juan in just under 38h 05m. Your travel time can differ by up to 4h 26m. The distance from Australia to San Juan is about 16327 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, April is the cheapest month in which you can book a flight from Australia to San Juan (average of $1,240). Flying from Australia to San Juan in March is currently the most expensive (average of $3,193). 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

Top airline flying from Australia to San Juan

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,717Average$2,309FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Australia to San Juan?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to San Juan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Australia to San Juan?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Australia to San Juan.

Can Cheapflights find flights from Australia to San Juan with no change fees?

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.

Can Cheapflights notify me if prices for flights from Australia to San Juan become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.