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Cheap flights from Australia to San Juan from $1,377

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 13/7. 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
09:15 - 16:39
SYD
-
SJU
45h 24m
2 stops
Delta Logo
17:50 - 06:50
SJU
-
SYD
47h 00m
2 stops
$1,377Delta
Mon, 13 Jul - Sat, 25 Jul
United Airlines Logo
10:20 - 05:29
SYD
-
SJU
33h 09m
2 stops
United Airlines Logo
01:00 - 06:55
SJU
-
SYD
39h 55m
2 stops
$1,813United Airlines
Tue, 14 Jul - Tue, 21 Jul
Delta Logo
09:15 - 22:29
SYD
-
SJU
27h 14m
2 stops
Delta Logo
06:00 - 06:50
SJU
-
SYD
58h 50m
2 stops
$1,831Delta
Thu, 16 Jul - Fri, 24 Jul
United Airlines Logo
09:30 - 05:29
SYD
-
SJU
33h 59m
2 stops
United Airlines Logo
02:05 - 06:55
SJU
-
SYD
62h 50m
2 stops
$1,912United Airlines
Mon, 13 Jul - Sat, 18 Jul
American Airlines Logo
11:15 - 11:05
SYD
-
SJU
38h 50m
2 stops
American Airlines Logo
06:44 - 06:55
SJU
-
SYD
33h 11m
1 stop
$1,932American Airlines
Fri, 30 Oct - Tue, 3 Nov
American Airlines Logo
11:15 - 11:05
SYD
-
SJU
38h 50m
2 stops
American Airlines Logo
06:44 - 06:55
SJU
-
SYD
33h 11m
1 stop
$1,967American Airlines
Fri, 30 Oct - Tue, 3 Nov
American Airlines Logo
11:15 - 23:33
SYD
-
SJU
27h 18m
2 stops
American Airlines Logo
06:44 - 09:00
SJU
-
SYD
35h 16m
2 stops
$1,971American Airlines
Fri, 30 Oct - Tue, 3 Nov
American Airlines Logo
11:15 - 23:33
SYD
-
SJU
27h 18m
2 stops
American Airlines Logo
06:44 - 09:00
SJU
-
SYD
35h 16m
2 stops
$2,019American Airlines
Fri, 30 Oct - Tue, 3 Nov
United Airlines Logo
11:50 - 20:26
SYD
-
SJU
23h 36m
1 stop
United Airlines Logo
15:46 - 07:00
SJU
-
SYD
24h 14m
1 stop
$2,041United Airlines
Fri, 30 Oct - Tue, 3 Nov
United Airlines Logo
11:50 - 20:26
SYD
-
SJU
23h 36m
1 stop
United Airlines Logo
15:46 - 07:00
SJU
-
SYD
24h 14m
1 stop
$2,044United Airlines
Fri, 30 Oct - Tue, 3 Nov

American Airlines flights from Australia to San Juan

Our best American Airlines deals on Australia to San Juan flight tickets
American Airlines
30 Oct
SYD11:15Sydney Kingsford Smith
38h 50m
2 stops
SJU11:05San Juan Luis Munoz Marin Intl
3 Nov
SJU06:44San Juan Luis Munoz Marin Intl
33h 11m
1 stop
SYD06:55Sydney Kingsford Smith
$1,932
American Airlines
30 Oct
SYD11:15Sydney Kingsford Smith
38h 50m
2 stops
SJU11:05San Juan Luis Munoz Marin Intl
3 Nov
SJU06:44San Juan Luis Munoz Marin Intl
33h 11m
1 stop
SYD06:55Sydney Kingsford Smith
$1,967
American Airlines
30 Oct
SYD11:15Sydney Kingsford Smith
27h 18m
2 stops
SJU23:33San Juan Luis Munoz Marin Intl
3 Nov
SJU06:44San Juan Luis Munoz Marin Intl
35h 16m
2 stops
SYD09:00Sydney Kingsford Smith
$1,971

United Airlines flights from Australia to San Juan

Our best United Airlines deals on Australia to San Juan flight tickets
United Airlines
14 July
SYD10:20Sydney Kingsford Smith
33h 09m
2 stops
SJU05:29San Juan Luis Munoz Marin Intl
21 July
SJU01:00San Juan Luis Munoz Marin Intl
39h 55m
2 stops
SYD06:55Sydney Kingsford Smith
$1,813
United Airlines
13 July
SYD09:30Sydney Kingsford Smith
33h 59m
2 stops
SJU05:29San Juan Luis Munoz Marin Intl
18 July
SJU02:05San Juan Luis Munoz Marin Intl
62h 50m
2 stops
SYD06:55Sydney Kingsford Smith
$1,912
United Airlines
30 Oct
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
3 Nov
SJU15:46San Juan Luis Munoz Marin Intl
24h 14m
1 stop
SYD07:00Sydney Kingsford Smith
$2,041

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 29 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

Mon 13/7

09:15-16:39

2 stops45h 24m

San Juan Luis Munoz Marin Intl

Sat 25/7

17:50-06:50

2 stops47h 00m

$1,377

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 14/7

10:20-05:29

2 stops33h 09m

San Juan Luis Munoz Marin Intl

Tue 21/7

01:00-06:55

2 stops39h 55m

$1,813

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 16/7

09:15-22:29

2 stops27h 14m

San Juan Luis Munoz Marin Intl

Fri 24/7

06:00-06:50

2 stops58h 50m

$1,831

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 13/7

09:30-05:29

2 stops33h 59m

San Juan Luis Munoz Marin Intl

Sat 18/7

02:05-06:55

2 stops62h 50m

$1,912

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:15-11:05

2 stops38h 50m

San Juan Luis Munoz Marin Intl

Tue 3/11

06:44-06:55

1 stop33h 11m

$1,932

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:15-11:05

2 stops38h 50m

San Juan Luis Munoz Marin Intl

Tue 3/11

06:44-06:55

1 stop33h 11m

$1,967

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:15-23:33

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Tue 3/11

06:44-09:00

2 stops35h 16m

$1,971

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:15-23:33

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Tue 3/11

06:44-09:00

2 stops35h 16m

$2,019
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Tue 3/11

15:46-07:00

1 stop24h 14m

$2,041

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 30/10

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Tue 3/11

15:46-07:00

1 stop24h 14m

$2,044

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 54m

Direct flights

None
The fastest flight from Australia to San Juan takes 25h 54m
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
9,763 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