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Cheap flights from Australia to San Juan from $858

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

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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
09:15 - 22:27
SYD
-
SJU
27h 12m
2 stops
Delta Logo
14:42 - 06:50
SJU
-
SYD
26h 08m
2 stops
$2,611Delta
Sat, 4 Jul - Sat, 11 Jul
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
16:55 - 06:55
SJU
-
SYD
48h 00m
2 stops
$2,972United Airlines
Tue, 8 Sep - Sat, 12 Sep
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
16:55 - 06:55
SJU
-
SYD
48h 00m
2 stops
$2,977United Airlines
Tue, 8 Sep - Sat, 12 Sep
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
15:56 - 06:55
SJU
-
SYD
48h 59m
2 stops
$2,979United Airlines
Tue, 8 Sep - Sat, 12 Sep
United Airlines Logo
09:30 - 21:24
SYD
-
SJU
25h 54m
2 stops
United Airlines Logo
07:40 - 07:00
SJU
-
SYD
33h 20m
2 stops
$3,059United Airlines
Fri, 7 Aug - Tue, 11 Aug
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
United Airlines Logo
02:05 - 06:55
SJU
-
SYD
38h 50m
2 stops
$3,062United Airlines
Tue, 9 Jun - Thu, 11 Jun
American Airlines Logo
12:00 - 21:43
SYD
-
SJU
23h 43m
1 stop
American Airlines Logo
15:02 - 07:05
SJU
-
SYD
26h 03m
2 stops
$3,157American Airlines
Sat, 4 Jul - Sat, 11 Jul
American Airlines Logo
12:00 - 11:10
SYD
-
SJU
37h 10m
2 stops
American Airlines Logo
15:42 - 06:55
SJU
-
SYD
25h 13m
1 stop
$3,166American Airlines
Tue, 8 Sep - Sat, 12 Sep
American Airlines Logo
12:00 - 11:10
SYD
-
SJU
37h 10m
2 stops
American Airlines Logo
15:42 - 06:55
SJU
-
SYD
25h 13m
1 stop
$3,170American Airlines
Tue, 8 Sep - Sat, 12 Sep
American Airlines Logo
12:00 - 11:10
SYD
-
SJU
37h 10m
2 stops
American Airlines Logo
15:42 - 06:55
SJU
-
SYD
25h 13m
1 stop
$3,173American Airlines
Tue, 8 Sep - Sat, 12 Sep

United Airlines flights from Australia to San Juan

Our best United Airlines deals on Australia to San Juan flight tickets
United Airlines
8 Sept
SYD09:30Sydney Kingsford Smith
25h 08m
2 stops
SJU20:38San Juan Luis Munoz Marin Intl
12 Sept
SJU16:55San Juan Luis Munoz Marin Intl
48h 00m
2 stops
SYD06:55Sydney Kingsford Smith
$2,972
United Airlines
8 Sept
SYD09:30Sydney Kingsford Smith
25h 08m
2 stops
SJU20:38San Juan Luis Munoz Marin Intl
12 Sept
SJU16:55San Juan Luis Munoz Marin Intl
48h 00m
2 stops
SYD06:55Sydney Kingsford Smith
$2,977
United Airlines
8 Sept
SYD09:30Sydney Kingsford Smith
25h 08m
2 stops
SJU20:38San Juan Luis Munoz Marin Intl
12 Sept
SJU15:56San Juan Luis Munoz Marin Intl
48h 59m
2 stops
SYD06:55Sydney Kingsford Smith
$2,979

American Airlines flights from Australia to San Juan

Our best American Airlines deals on Australia to San Juan flight tickets
American Airlines
4 July
SYD12:00Sydney Kingsford Smith
23h 43m
1 stop
SJU21:43San Juan Luis Munoz Marin Intl
11 July
SJU15:02San Juan Luis Munoz Marin Intl
26h 03m
2 stops
SYD07:05Sydney Kingsford Smith
$3,157
American Airlines
8 Sept
SYD12:00Sydney Kingsford Smith
37h 10m
2 stops
SJU11:10San Juan Luis Munoz Marin Intl
12 Sept
SJU15:42San Juan Luis Munoz Marin Intl
25h 13m
1 stop
SYD06:55Sydney Kingsford Smith
$3,166
American Airlines
8 Sept
SYD12:00Sydney Kingsford Smith
37h 10m
2 stops
SJU11:10San Juan Luis Munoz Marin Intl
12 Sept
SJU15:42San Juan Luis Munoz Marin Intl
25h 13m
1 stop
SYD06:55Sydney Kingsford Smith
$3,170

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 22 May 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

Sat 4/7

09:15-22:27

2 stops27h 12m

San Juan Luis Munoz Marin Intl

Sat 11/7

14:42-06:50

2 stops26h 08m

$2,611

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Sat 12/9

16:55-06:55

2 stops48h 00m

$2,972

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Sat 12/9

16:55-06:55

2 stops48h 00m

$2,977

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Sat 12/9

15:56-06:55

2 stops48h 59m

$2,979

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 7/8

09:30-21:24

2 stops25h 54m

San Juan Luis Munoz Marin Intl

Tue 11/8

07:40-07:00

2 stops33h 20m

$3,059

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 9/6

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Thu 11/6

02:05-06:55

2 stops38h 50m

$3,062
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 4/7

12:00-21:43

1 stop23h 43m

San Juan Luis Munoz Marin Intl

Sat 11/7

15:02-07:05

2 stops26h 03m

$3,157

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

12:00-11:10

2 stops37h 10m

San Juan Luis Munoz Marin Intl

Sat 12/9

15:42-06:55

1 stop25h 13m

$3,166

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

12:00-11:10

2 stops37h 10m

San Juan Luis Munoz Marin Intl

Sat 12/9

15:42-06:55

1 stop25h 13m

$3,170

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

12:00-11:10

2 stops37h 10m

San Juan Luis Munoz Marin Intl

Sat 12/9

15:42-06:55

1 stop25h 13m

$3,173

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October is, on average, the cheapest month to fly to San Juan from Australia, with most prices found around $908. If you aren’t able to travel to San Juan during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,082.

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 08m

Direct flights

None
The fastest flight from Australia to San Juan takes 25h 08m
There are no direct flights from Australia to San Juan. There are no popular flight routes from Australia to San Juan.
Search flight deals

Frequently asked questions about flying from Australia to San Juan

  • 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 $1,170Free cancellationRating
7.4
9,751 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

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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