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Cheap flights from Australia to San Juan from $1,113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to San Juan departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to San Juan

Recent return flight deals from Australia to San Juan

Enter your travel dates to find the best prices.
United Airlines Logo
10:20 - 23:50
SYD
-
SJU
27h 30m
2 stops
United Airlines Logo
07:40 - 07:00
SJU
-
SYD
33h 20m
2 stops
$2,170United Airlines
Mon, 11 May - Mon, 18 May
American Airlines Logo
12:00 - 04:32
SYD
-
SJU
30h 32m
1 stop
American Airlines Logo
10:03 - 07:05
SJU
-
SYD
31h 02m
2 stops
$2,189American Airlines
Mon, 11 May - Mon, 18 May
American Airlines Logo
12:00 - 04:32
SYD
-
SJU
30h 32m
1 stop
American Airlines Logo
15:36 - 06:55
SJU
-
SYD
25h 19m
1 stop
$2,589American Airlines
Mon, 11 May - Mon, 18 May
Japan Airlines Logo
08:55 - 18:30
SYD
-
SJU
47h 35m
2 stops
Japan Airlines Logo
19:25 - 06:20
SJU
-
SYD
44h 55m
2 stops
$2,889Japan Airlines
Sun, 3 May - Thu, 7 May
United Airlines Logo
10:20 - 21:24
SYD
-
SJU
25h 04m
2 stops
United Airlines Logo
07:00 - 07:00
SJU
-
SYD
34h 00m
2 stops
$2,988United Airlines
Thu, 7 May - Mon, 11 May
United Airlines Logo
10:20 - 23:50
SYD
-
SJU
27h 30m
2 stops
United Airlines Logo
14:55 - 07:00
SJU
-
SYD
26h 05m
2 stops
$2,990United Airlines
Thu, 7 May - Mon, 11 May
United Airlines Logo
10:20 - 23:50
SYD
-
SJU
27h 30m
2 stops
United Airlines Logo
07:40 - 06:55
SJU
-
SYD
33h 15m
2 stops
$2,994United Airlines
Thu, 7 May - Mon, 11 May
United Airlines Logo
09:30 - 21:24
SYD
-
SJU
25h 54m
2 stops
United Airlines Logo
13:25 - 07:00
SJU
-
SYD
27h 35m
2 stops
$3,009United Airlines
Thu, 7 May - Mon, 11 May
United Airlines Logo
10:20 - 23:50
SYD
-
SJU
27h 30m
2 stops
United Airlines Logo
07:40 - 06:55
SJU
-
SYD
33h 15m
2 stops
$3,180United Airlines
Sun, 10 May - Thu, 14 May
Multiple Airlines Logo
17:10 - 09:13
SYD
-
SJU
30h 03m
3 stops
Multiple Airlines Logo
13:31 - 07:05
SJU
-
SYD
27h 34m
2 stops
$3,209Multiple Airlines
Mon, 11 May - Mon, 18 May

United Airlines flights from Australia to San Juan

Our best United Airlines deals on Australia to San Juan flight tickets
United Airlines
11 May
SYD10:20Sydney Kingsford Smith
27h 30m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
18 May
SJU07:40San Juan Luis Munoz Marin Intl
33h 20m
2 stops
SYD07:00Sydney Kingsford Smith
$2,170
United Airlines
7 May
SYD10:20Sydney Kingsford Smith
25h 04m
2 stops
SJU21:24San Juan Luis Munoz Marin Intl
11 May
SJU07:00San Juan Luis Munoz Marin Intl
34h 00m
2 stops
SYD07:00Sydney Kingsford Smith
$2,988
United Airlines
7 May
SYD10:20Sydney Kingsford Smith
27h 30m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
11 May
SJU14:55San Juan Luis Munoz Marin Intl
26h 05m
2 stops
SYD07:00Sydney Kingsford Smith
$2,990

American Airlines flights from Australia to San Juan

Our best American Airlines deals on Australia to San Juan flight tickets
American Airlines
11 May
SYD12:00Sydney Kingsford Smith
30h 32m
1 stop
SJU04:32San Juan Luis Munoz Marin Intl
18 May
SJU10:03San Juan Luis Munoz Marin Intl
31h 02m
2 stops
SYD07:05Sydney Kingsford Smith
$2,189
American Airlines
11 May
SYD12:00Sydney Kingsford Smith
30h 32m
1 stop
SJU04:32San Juan Luis Munoz Marin Intl
18 May
SJU15:36San Juan Luis Munoz Marin Intl
25h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$2,589
American Airlines
7 May
SYD09:10Sydney Kingsford Smith
33h 22m
2 stops
SJU04:32San Juan Luis Munoz Marin Intl
11 May
SJU15:36San Juan Luis Munoz Marin Intl
25h 19m
1 stop
SYD06:55Sydney Kingsford Smith
$3,333

momondo Fare Finder

 
Customise your flight search to find flights from Australia to San Juan 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, momondo users made 78,305 searches. Data last updated 31 March 2026.
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 - SJU

SYDSJU

Sydney Kingsford Smith

Mon 11/5

10:20-23:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Mon 18/5

07:40-07:00

2 stops33h 20m

$2,170

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 11/5

12:00-04:32

1 stop30h 32m

San Juan Luis Munoz Marin Intl

Mon 18/5

10:03-07:05

2 stops31h 02m

$2,189

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 11/5

12:00-04:32

1 stop30h 32m

San Juan Luis Munoz Marin Intl

Mon 18/5

15:36-06:55

1 stop25h 19m

$2,589

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 3/5

08:55-18:30

2 stops47h 35m

San Juan Luis Munoz Marin Intl

Thu 7/5

19:25-06:20

2 stops44h 55m

$2,889

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 7/5

10:20-21:24

2 stops25h 04m

San Juan Luis Munoz Marin Intl

Mon 11/5

07:00-07:00

2 stops34h 00m

$2,988

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 7/5

10:20-23:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Mon 11/5

14:55-07:00

2 stops26h 05m

$2,990

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 7/5

10:20-23:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Mon 11/5

07:40-06:55

2 stops33h 15m

$2,994
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 7/5

09:30-21:24

2 stops25h 54m

San Juan Luis Munoz Marin Intl

Mon 11/5

13:25-07:00

2 stops27h 35m

$3,009

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 10/5

10:20-23:50

2 stops27h 30m

San Juan Luis Munoz Marin Intl

Thu 14/5

07:40-06:55

2 stops33h 15m

$3,180

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 11/5

17:10-09:13

3 stops30h 03m

San Juan Luis Munoz Marin Intl

Mon 18/5

13:31-07:05

2 stops27h 34m

$3,209

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Juan from

How to get the cheapest flight ticket from Australia to San Juan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan?

The month of August is, on average, the cheapest month to fly to San Juan from Australia, with most prices found around $1,126. If you aren’t able to travel to San Juan during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,267.

Cheap Australia to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to San Juan

Fastest flight time

25h 04m

Direct flights

None
The fastest flight from Australia to San Juan takes 25h 04m
There are no direct flights from Australia to San Juan. There are no popular flight routes from Australia to San Juan.
Search flight deals

  • When did momondo last update prices for flights from Australia to San Juan?

    Prices for flights from Australia to San Juan were last updated today.

  • How many operators does momondo search for flights from Australia to San Juan?

  • How old do you have to be to fly from Australia to San Juan?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to San Juan

Compare and see reviews for airlines that fly from Australia to San Juan with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,218Free cancellationRating
7.4
9,525 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Australia to San Juan?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to San Juan. momondo saves you time and could save you money on your trip.

Can I find flights from Australia to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan from Australia with this policy.

How can momondo help me find flights from Australia to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Australia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Australia to San Juan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Australia and alert you when they change.

An easier way to manage your San Juan trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 11.5 km from San Juan
San Juan Luis Munoz Marin Intl Airport