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Cheap flights from Australia to San Juan from $1,585

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to San Juan departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
11:50 - 22:22SYD-SJU
25h 32m2 stops
United Airlines Logo
17:50 - 09:05SJU-SYD
48h 15m2 stops
$1,585United Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
15:46 - 06:20SJU-SYD
47h 34m2 stops
$1,586United Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
14:25 - 06:20SJU-SYD
48h 55m2 stops
$1,591United Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
10:20 - 23:57SYD-SJU
27h 37m2 stops
United Airlines Logo
16:55 - 06:55SJU-SYD
48h 00m2 stops
$1,744United Airlines
Find Deal
Sun, 10 May - Sat, 25 Jul
United Airlines Logo
09:30 - 20:38SYD-SJU
25h 08m2 stops
United Airlines Logo
02:05 - 06:55SJU-SYD
38h 50m2 stops
$1,748United Airlines
Find Deal
Sun, 10 May - Fri, 24 Jul
American Airlines Logo
09:10 - 19:55SYD-SJU
24h 45m2 stops
American Airlines Logo
07:39 - 06:55SJU-SYD
33h 16m1 stop
$1,852American Airlines
Find Deal
Sun, 10 May - Sat, 25 Jul
American Airlines Logo
12:00 - 04:00SYD-SJU
30h 00m1 stop
American Airlines Logo
07:39 - 06:55SJU-SYD
33h 16m1 stop
$1,855American Airlines
Find Deal
Sun, 10 May - Sat, 25 Jul
American Airlines Logo
14:05 - 22:26SYD-SJU
23h 21m1 stop
American Airlines Logo
07:07 - 08:35SJU-SYD
34h 28m2 stops
$2,191American Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan
United Airlines Logo
12:10 - 13:17SYD-SJU
40h 07m2 stops
United Airlines Logo
08:35 - 09:05SJU-SYD
33h 30m2 stops
$2,230United Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan
American Airlines Logo
14:05 - 15:00SYD-SJU
39h 55m1 stop
American Airlines Logo
07:07 - 06:55SJU-SYD
32h 48m1 stop
$2,244American Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan

United Airlines flights from Australia to San Juan

Our best United Airlines deals on Australia to San Juan flight tickets
United Airlines
5 Feb
SYD11:50Sydney Kingsford Smith
25h 32m
2 stops
SJU22:22San Juan Luis Munoz Marin Intl
9 Feb
SJU17:50San Juan Luis Munoz Marin Intl
48h 15m
2 stops
SYD09:05Sydney Kingsford Smith
$1,585
Find similar
United Airlines
5 Feb
SYD11:50Sydney Kingsford Smith
24h 36m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
9 Feb
SJU15:46San Juan Luis Munoz Marin Intl
47h 34m
2 stops
SYD06:20Sydney Kingsford Smith
$1,586
Find similar
United Airlines
5 Feb
SYD11:50Sydney Kingsford Smith
24h 36m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
9 Feb
SJU14:25San Juan Luis Munoz Marin Intl
48h 55m
2 stops
SYD06:20Sydney Kingsford Smith
$1,591
Find similar

American Airlines flights from Australia to San Juan

Our best American Airlines deals on Australia to San Juan flight tickets
American Airlines
12 Jan
SYD14:05Sydney Kingsford Smith
23h 21m
1 stop
SJU22:26San Juan Luis Munoz Marin Intl
19 Jan
SJU07:07San Juan Luis Munoz Marin Intl
34h 28m
2 stops
SYD08:35Sydney Kingsford Smith
$2,191
Find similar
American Airlines
12 Jan
SYD14:05Sydney Kingsford Smith
39h 55m
1 stop
SJU15:00San Juan Luis Munoz Marin Intl
19 Jan
SJU07:07San Juan Luis Munoz Marin Intl
32h 48m
1 stop
SYD06:55Sydney Kingsford Smith
$2,244
Find similar
American Airlines
31 Dec
SYD11:20Sydney Kingsford Smith
27h 07m
2 stops
SJU23:27San Juan Luis Munoz Marin Intl
4 Feb
SJU13:24San Juan Luis Munoz Marin Intl
28h 36m
2 stops
SYD09:00Sydney Kingsford Smith
$2,587
Find similar

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 30 November 2025.
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

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 5/2

11:50-22:22

2 stops25h 32m

San Juan Luis Munoz Marin Intl

Mon 9/2

17:50-09:05

2 stops48h 15m

$1,585

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 5/2

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Mon 9/2

15:46-06:20

2 stops47h 34m

$1,586

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 5/2

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Mon 9/2

14:25-06:20

2 stops48h 55m

$1,591

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 10/5

10:20-23:57

2 stops27h 37m

San Juan Luis Munoz Marin Intl

Sat 25/7

16:55-06:55

2 stops48h 00m

$1,744

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 10/5

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Fri 24/7

02:05-06:55

2 stops38h 50m

$1,748

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 10/5

09:10-19:55

2 stops24h 45m

San Juan Luis Munoz Marin Intl

Sat 25/7

07:39-06:55

1 stop33h 16m

$1,852

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 10/5

12:00-04:00

1 stop30h 00m

San Juan Luis Munoz Marin Intl

Sat 25/7

07:39-06:55

1 stop33h 16m

$1,855

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 12/1

14:05-22:26

1 stop23h 21m

San Juan Luis Munoz Marin Intl

Mon 19/1

07:07-08:35

2 stops34h 28m

$2,191

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 12/1

12:10-13:17

2 stops40h 07m

San Juan Luis Munoz Marin Intl

Mon 19/1

08:35-09:05

2 stops33h 30m

$2,230

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 12/1

14:05-15:00

1 stop39h 55m

San Juan Luis Munoz Marin Intl

Mon 19/1

07:07-06:55

1 stop32h 48m

$2,244

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 October is, on average, the cheapest month to fly to San Juan from Australia, with most prices found around $1,133. If you aren’t able to travel to San Juan during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,506.

What is the cheapest day to depart on your flight to San Juan?

Our data shows that Monday is the least expensive day to fly to San Juan. Tickets to fly out on this day can be as low as $2,132. Flights from Australia to San Juan on a Friday will generally be more expensive and average around $3,308. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Juan?

Our most recent data shows that the best time of day to fly to San Juan is in the morning. Flights from Australia to San Juan during this time can be as low as $2,347. Try not to purchase tickets in the afternoon because they tend to be around $3,632. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

24h 36m

Direct flights

None
The fastest flight from Australia to San Juan takes 24h 36m
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 $1,316Free cancellationRating
7.4
9,054 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,536Free cancellationRating
7.4
3,677 reviews
Search Qatar Airways 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

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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