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Cheap flights from Australia to San Juan from $849

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.
American Airlines Logo
13:00 - 23:50
SYD
-
SJU
25h 50m
2 stops
American Airlines Logo
14:41 - 09:00
SJU
-
SYD
27h 19m
2 stops
$1,815American Airlines
Fri, 16 Oct - Mon, 23 Nov
Delta Logo
09:15 - 20:45
SYD
-
SJU
25h 30m
2 stops
Delta Logo
06:48 - 06:50
SJU
-
SYD
34h 02m
2 stops
$1,830Delta
Sun, 26 Jul - Wed, 5 Aug
American Airlines Logo
12:00 - 23:50
SYD
-
SJU
25h 50m
1 stop
American Airlines Logo
10:33 - 07:30
SJU
-
SYD
30h 57m
2 stops
$1,960American Airlines
Sun, 26 Jul - Wed, 5 Aug
United Airlines Logo
10:20 - 05:29
SYD
-
SJU
33h 09m
2 stops
United Airlines Logo
07:40 - 07:00
SJU
-
SYD
33h 20m
2 stops
$2,602United Airlines
Sat, 18 Jul - Tue, 4 Aug
American Airlines Logo
12:00 - 04:39
SYD
-
SJU
30h 39m
1 stop
American Airlines Logo
15:44 - 06:55
SJU
-
SYD
25h 11m
1 stop
$2,728American Airlines
Sun, 26 Jul - Wed, 5 Aug
Multiple Airlines Logo
13:00 - 12:40
SYD
-
SJU
38h 40m
3 stops
Multiple Airlines Logo
14:41 - 09:00
SJU
-
SYD
27h 19m
2 stops
$2,795Multiple Airlines
Fri, 16 Oct - Mon, 23 Nov
American Airlines Logo
12:00 - 04:39
SYD
-
SJU
30h 39m
1 stop
American Airlines Logo
11:54 - 07:05
SJU
-
SYD
29h 11m
2 stops
$2,838American Airlines
Sat, 18 Jul - Tue, 4 Aug
American Airlines Logo
12:00 - 23:50
SYD
-
SJU
25h 50m
1 stop
American Airlines Logo
05:45 - 06:55
SJU
-
SYD
35h 10m
1 stop
$2,897American Airlines
Sat, 18 Jul - Tue, 4 Aug
United Airlines Logo
09:30 - 11:57
SYD
-
SJU
40h 27m
2 stops
United Airlines Logo
16:55 - 07:00
SJU
-
SYD
72h 05m
2 stops
$2,966United Airlines
Mon, 24 Aug - Fri, 28 Aug
Multiple Airlines Logo
09:10 - 21:59
SYD
-
SJU
26h 49m
2 stops
Multiple Airlines Logo
11:54 - 10:30
SJU
-
SYD
32h 36m
3 stops
$2,968Multiple Airlines
Sat, 18 Jul - Tue, 4 Aug

American Airlines flights from Australia to San Juan

Our best American Airlines deals on Australia to San Juan flight tickets
American Airlines
16 Oct
SYD13:00Sydney Kingsford Smith
25h 50m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
23 Nov
SJU14:41San Juan Luis Munoz Marin Intl
27h 19m
2 stops
SYD09:00Sydney Kingsford Smith
$1,815
American Airlines
26 July
SYD12:00Sydney Kingsford Smith
25h 50m
1 stop
SJU23:50San Juan Luis Munoz Marin Intl
5 Aug
SJU10:33San Juan Luis Munoz Marin Intl
30h 57m
2 stops
SYD07:30Sydney Kingsford Smith
$1,960
American Airlines
26 July
SYD12:00Sydney Kingsford Smith
30h 39m
1 stop
SJU04:39San Juan Luis Munoz Marin Intl
5 Aug
SJU15:44San Juan Luis Munoz Marin Intl
25h 11m
1 stop
SYD06:55Sydney Kingsford Smith
$2,728

Air Canada flights from Australia to San Juan

Our best Air Canada deals on Australia to San Juan flight tickets
Air Canada
30 May
SYD09:20Sydney Kingsford Smith
28h 30m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
30 May
SJU02:05San Juan Luis Munoz Marin Intl
39h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$5,176
Air Canada
30 May
SYD09:20Sydney Kingsford Smith
28h 30m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
30 May
SJU02:05San Juan Luis Munoz Marin Intl
39h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$35,251

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 8 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
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 16/10

13:00-23:50

2 stops25h 50m

San Juan Luis Munoz Marin Intl

Mon 23/11

14:41-09:00

2 stops27h 19m

$1,815

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/7

09:15-20:45

2 stops25h 30m

San Juan Luis Munoz Marin Intl

Wed 5/8

06:48-06:50

2 stops34h 02m

$1,830

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/7

12:00-23:50

1 stop25h 50m

San Juan Luis Munoz Marin Intl

Wed 5/8

10:33-07:30

2 stops30h 57m

$1,960

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

10:20-05:29

2 stops33h 09m

San Juan Luis Munoz Marin Intl

Tue 4/8

07:40-07:00

2 stops33h 20m

$2,602

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 26/7

12:00-04:39

1 stop30h 39m

San Juan Luis Munoz Marin Intl

Wed 5/8

15:44-06:55

1 stop25h 11m

$2,728

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 16/10

13:00-12:40

3 stops38h 40m

San Juan Luis Munoz Marin Intl

Mon 23/11

14:41-09:00

2 stops27h 19m

$2,795

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

12:00-04:39

1 stop30h 39m

San Juan Luis Munoz Marin Intl

Tue 4/8

11:54-07:05

2 stops29h 11m

$2,838

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

12:00-23:50

1 stop25h 50m

San Juan Luis Munoz Marin Intl

Tue 4/8

05:45-06:55

1 stop35h 10m

$2,897

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 24/8

09:30-11:57

2 stops40h 27m

San Juan Luis Munoz Marin Intl

Fri 28/8

16:55-07:00

2 stops72h 05m

$2,966

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 18/7

09:10-21:59

2 stops26h 49m

San Juan Luis Munoz Marin Intl

Tue 4/8

11:54-10:30

3 stops32h 36m

$2,968

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 $895. 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 $1,066.

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 $1,153Free cancellationRating
7.4
9,694 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