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Cheap flights from Australia to San Juan from $1,666

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 10/1. 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.
Delta Logo
09:40 - 21:58SYD-SJU
27h 18m2 stops
Delta Logo
12:03 - 07:25SJU-SYD
28h 22m2 stops
$2,275Delta
Find Deal
Tue, 10 Mar - Sat, 14 Mar
Delta Logo
09:40 - 21:58SYD-SJU
27h 18m2 stops
Delta Logo
12:03 - 07:25SJU-SYD
28h 22m2 stops
$2,276Delta
Find Deal
Tue, 10 Mar - Sat, 14 Mar
Delta Logo
14:15 - 23:44SYD-SJU
24h 29m2 stops
Delta Logo
07:30 - 08:30SJU-SYD
34h 00m2 stops
$2,282Delta
Find Deal
Mon, 26 Jan - Fri, 30 Jan
Delta Logo
10:40 - 21:09SYD-SJU
25h 29m2 stops
Delta Logo
06:15 - 08:30SJU-SYD
35h 15m2 stops
$2,460Delta
Find Deal
Mon, 29 Dec - Mon, 5 Jan
United Airlines Logo
11:50 - 20:26SYD-SJU
23h 36m1 stop
United Airlines Logo
14:46 - 09:05SJU-SYD
51h 19m2 stops
$2,610United Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar
American Airlines Logo
11:20 - 03:55SYD-SJU
31h 35m2 stops
American Airlines Logo
15:30 - 06:55SJU-SYD
24h 25m1 stop
$2,662American Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar
American Airlines Logo
11:20 - 03:55SYD-SJU
31h 35m2 stops
American Airlines Logo
15:30 - 06:55SJU-SYD
24h 25m1 stop
$2,663American Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar
American Airlines Logo
11:20 - 22:26SYD-SJU
26h 06m2 stops
American Airlines Logo
13:24 - 09:00SJU-SYD
28h 36m2 stops
$2,672American Airlines
Find Deal
Mon, 26 Jan - Fri, 30 Jan
United Airlines Logo
11:50 - 20:26SYD-SJU
23h 36m1 stop
United Airlines Logo
09:15 - 07:00SJU-SYD
30h 45m1 stop
$2,677United Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar
United Airlines Logo
11:50 - 20:26SYD-SJU
23h 36m1 stop
United Airlines Logo
06:45 - 07:00SJU-SYD
33h 15m1 stop
$2,678United Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar

Delta flights from Australia to San Juan

Our best Delta deals on Australia to San Juan flight tickets
Delta
10 Mar
SYD09:40Sydney Kingsford Smith
27h 18m
2 stops
SJU21:58San Juan Luis Munoz Marin Intl
14 Mar
SJU12:03San Juan Luis Munoz Marin Intl
28h 22m
2 stops
SYD07:25Sydney Kingsford Smith
$2,275
Find similar
Delta
10 Mar
SYD09:40Sydney Kingsford Smith
27h 18m
2 stops
SJU21:58San Juan Luis Munoz Marin Intl
14 Mar
SJU12:03San Juan Luis Munoz Marin Intl
28h 22m
2 stops
SYD07:25Sydney Kingsford Smith
$2,276
Find similar
Delta
26 Jan
SYD14:15Sydney Kingsford Smith
24h 29m
2 stops
SJU23:44San Juan Luis Munoz Marin Intl
30 Jan
SJU07:30San Juan Luis Munoz Marin Intl
34h 00m
2 stops
SYD08:30Sydney Kingsford Smith
$2,282
Find similar

United Airlines flights from Australia to San Juan

Our best United Airlines deals on Australia to San Juan flight tickets
United Airlines
10 Mar
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
14 Mar
SJU14:46San Juan Luis Munoz Marin Intl
51h 19m
2 stops
SYD09:05Sydney Kingsford Smith
$2,610
Find similar
United Airlines
10 Mar
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
14 Mar
SJU09:15San Juan Luis Munoz Marin Intl
30h 45m
1 stop
SYD07:00Sydney Kingsford Smith
$2,677
Find similar
United Airlines
10 Mar
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
14 Mar
SJU06:45San Juan Luis Munoz Marin Intl
33h 15m
1 stop
SYD07:00Sydney Kingsford Smith
$2,678
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 16 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

Tue 10/3

09:40-21:58

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Sat 14/3

12:03-07:25

2 stops28h 22m

$2,275

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

09:40-21:58

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Sat 14/3

12:03-07:25

2 stops28h 22m

$2,276

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 26/1

14:15-23:44

2 stops24h 29m

San Juan Luis Munoz Marin Intl

Fri 30/1

07:30-08:30

2 stops34h 00m

$2,282

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 29/12

10:40-21:09

2 stops25h 29m

San Juan Luis Munoz Marin Intl

Mon 5/1

06:15-08:30

2 stops35h 15m

$2,460

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Sat 14/3

14:46-09:05

2 stops51h 19m

$2,610

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

11:20-03:55

2 stops31h 35m

San Juan Luis Munoz Marin Intl

Sat 14/3

15:30-06:55

1 stop24h 25m

$2,662

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

11:20-03:55

2 stops31h 35m

San Juan Luis Munoz Marin Intl

Sat 14/3

15:30-06:55

1 stop24h 25m

$2,663

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 26/1

11:20-22:26

2 stops26h 06m

San Juan Luis Munoz Marin Intl

Fri 30/1

13:24-09:00

2 stops28h 36m

$2,672

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Sat 14/3

09:15-07:00

1 stop30h 45m

$2,677

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 10/3

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Sat 14/3

06:45-07:00

1 stop33h 15m

$2,678

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 $1,137. 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 $1,510.

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 $2,138. Flights from Australia to San Juan on a Friday will generally be more expensive and average around $3,317. 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 $2,353. Try not to purchase tickets in the afternoon because they tend to be around $3,642. 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

Direct flights

None
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 $1,320Free cancellationRating
7.4
9,016 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,543Free cancellationRating
7.4
3,664 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.

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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