Cheap flights from San Juan to Australia from $978

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan to Australia departing on 24/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Juan to Australia

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
07:30 - 06:05
SJU
-
SYD
31h 35m2 stops
Delta Logo
10:15 - 23:12
SYD
-
SJU
27h 57m2 stops
$1,881Delta
Sun, 15 Mar - Sun, 29 Mar
United Airlines Logo
06:40 - 07:00
SJU
-
SYD
33h 20m1 stop
United Airlines Logo
11:20 - 17:38
SYD
-
SJU
45h 18m2 stops
$1,943United Airlines
Sun, 15 Mar - Sun, 29 Mar
United Airlines Logo
07:00 - 06:55
SJU
-
SYD
33h 55m2 stops
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m2 stops
$2,011United Airlines
Sat, 2 May - Sat, 16 May
United Airlines Logo
08:35 - 06:20
SJU
-
SYD
30h 45m2 stops
United Airlines Logo
11:50 - 21:26
SYD
-
SJU
24h 36m1 stop
$2,024United Airlines
Sat, 7 Feb - Sat, 21 Feb
United Airlines Logo
14:25 - 09:05
SJU
-
SYD
27h 40m2 stops
United Airlines Logo
11:50 - 00:36
SYD
-
SJU
27h 46m2 stops
$2,032United Airlines
Sat, 7 Feb - Sat, 21 Feb
Air Canada Logo
14:40 - 08:20
SJU
-
SYD
50h 40m2 stops
Air Canada Logo
10:20 - 13:25
SYD
-
SJU
42h 05m2 stops
$2,036Air Canada
Sat, 28 Mar - Sat, 4 Apr
Air Canada Logo
15:40 - 09:35
SJU
-
SYD
50h 55m2 stops
Air Canada Logo
11:20 - 13:55
SYD
-
SJU
41h 35m3 stops
$2,041Air Canada
Sat, 7 Feb - Sat, 21 Feb
United Airlines Logo
07:30 - 09:05
SJU
-
SYD
34h 35m2 stops
United Airlines Logo
11:20 - 17:38
SYD
-
SJU
45h 18m3 stops
$2,085United Airlines
Sun, 15 Mar - Sun, 29 Mar
American Airlines Logo
07:07 - 06:55
SJU
-
SYD
32h 48m1 stop
American Airlines Logo
14:05 - 23:32
SYD
-
SJU
24h 27m1 stop
$2,259American Airlines
Sat, 7 Feb - Sat, 21 Feb
American Airlines Logo
11:50 - 06:55
SJU
-
SYD
29h 05m2 stops
American Airlines Logo
12:00 - 22:20
SYD
-
SJU
24h 20m1 stop
$2,265American Airlines
Wed, 13 May - Wed, 27 May

United Airlines flights from San Juan to Australia

Our best United Airlines deals on San Juan to Australia flight tickets
United Airlines
15 Mar
SJU06:40San Juan Luis Munoz Marin Intl
33h 20m
1 stop
SYD07:00Sydney Kingsford Smith
29 Mar
SYD11:20Sydney Kingsford Smith
45h 18m
2 stops
SJU17:38San Juan Luis Munoz Marin Intl
United Airlines
2 May
SJU07:00San Juan Luis Munoz Marin Intl
33h 55m
2 stops
SYD06:55Sydney Kingsford Smith
16 May
SYD09:30Sydney Kingsford Smith
25h 08m
2 stops
SJU20:38San Juan Luis Munoz Marin Intl
United Airlines
7 Feb
SJU08:35San Juan Luis Munoz Marin Intl
30h 45m
2 stops
SYD06:20Sydney Kingsford Smith
21 Feb
SYD11:50Sydney Kingsford Smith
24h 36m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl

Air Canada flights from San Juan to Australia

Our best Air Canada deals on San Juan to Australia flight tickets
Air Canada
28 Mar
SJU14:40San Juan Luis Munoz Marin Intl
50h 40m
2 stops
SYD08:20Sydney Kingsford Smith
4 Apr
SYD10:20Sydney Kingsford Smith
42h 05m
2 stops
SJU13:25San Juan Luis Munoz Marin Intl
Air Canada
7 Feb
SJU15:40San Juan Luis Munoz Marin Intl
50h 55m
2 stops
SYD09:35Sydney Kingsford Smith
21 Feb
SYD11:20Sydney Kingsford Smith
41h 35m
3 stops
SJU13:55San Juan Luis Munoz Marin Intl
Air Canada
6 Feb
SJU02:05San Juan Luis Munoz Marin Intl
40h 30m
3 stops
SYD09:35Sydney Kingsford Smith
21 Feb
SYD11:20Sydney Kingsford Smith
41h 35m
3 stops
SJU13:55San Juan Luis Munoz Marin Intl

momondo Fare Finder

 
Customise your flight search to find flights from San Juan to Australia 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 21 December 2025.
Use the filters below to find and compare flights from San Juan to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

07:30-06:05

2 stops31h 35m

Sydney Kingsford Smith

Sun 29/3

10:15-23:12

2 stops27h 57m

$1,881

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

06:40-07:00

1 stop33h 20m

Sydney Kingsford Smith

Sun 29/3

11:20-17:38

2 stops45h 18m

$1,943

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

07:00-06:55

2 stops33h 55m

Sydney Kingsford Smith

Sat 16/5

09:30-20:38

2 stops25h 08m

$2,011

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 7/2

08:35-06:20

2 stops30h 45m

Sydney Kingsford Smith

Sat 21/2

11:50-21:26

1 stop24h 36m

$2,024

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 7/2

14:25-09:05

2 stops27h 40m

Sydney Kingsford Smith

Sat 21/2

11:50-00:36

2 stops27h 46m

$2,032

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 28/3

14:40-08:20

2 stops50h 40m

Sydney Kingsford Smith

Sat 4/4

10:20-13:25

2 stops42h 05m

$2,036

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 7/2

15:40-09:35

2 stops50h 55m

Sydney Kingsford Smith

Sat 21/2

11:20-13:55

3 stops41h 35m

$2,041

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

07:30-09:05

2 stops34h 35m

Sydney Kingsford Smith

Sun 29/3

11:20-17:38

3 stops45h 18m

$2,085

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 7/2

07:07-06:55

1 stop32h 48m

Sydney Kingsford Smith

Sat 21/2

14:05-23:32

1 stop24h 27m

$2,259

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 13/5

11:50-06:55

2 stops29h 05m

Sydney Kingsford Smith

Wed 27/5

12:00-22:20

1 stop24h 20m

$2,265

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Australia from

How to get the cheapest flight ticket from San Juan to Australia

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 Australia?

In general, September is the cheapest month to fly from San Juan to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $2,186. If you don’t want to visit Australia in September, then you should wait until February to fly from San Juan, when ticket prices are also cheap, with an average price of $2,215.

Cheap San Juan to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan to Australia

Fastest flight time

27h 20m

Direct flights

None
The fastest flight from San Juan to Australia takes 27h 20m
There are no direct flights from San Juan to Australia. There are no popular flight routes from San Juan to Australia.
  • When did momondo last update prices for flights from San Juan to Australia?

    Prices for flights from San Juan to Australia are refreshed on a daily basis.

  • How old do you have to be to fly from San Juan to Australia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Juan to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from San Juan to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to Australia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Juan to Australia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Australia from San Juan with this policy.

How can momondo help me find flights from San Juan to Australia?

Once all potential San Juan to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Juan to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from San Juan and alert you when they change.

An easier way to manage your Australia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 20/1
Tue 27/1

Find better results for your trip to Australia