Cheap flights from San Juan to Sydney from $870

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 Sydney departing on 8/8. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Juan to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
07:00 - 06:55
SJU
-
SYD
33h 55m
2 stops
United Airlines Logo
10:20 - 13:45
SYD
-
SJU
41h 25m
2 stops
$1,631United Airlines
Wed, 19 Aug - Wed, 2 Sep
United Airlines Logo
14:20 - 06:55
SJU
-
SYD
26h 35m
2 stops
United Airlines Logo
10:20 - 23:50
SYD
-
SJU
27h 30m
2 stops
$1,647United Airlines
Tue, 11 Aug - Tue, 18 Aug
American Airlines Logo
15:44 - 06:55
SJU
-
SYD
25h 11m
1 stop
American Airlines Logo
12:00 - 14:54
SYD
-
SJU
40h 54m
1 stop
$1,757American Airlines
Wed, 19 Aug - Wed, 2 Sep
American Airlines Logo
13:38 - 06:55
SJU
-
SYD
27h 17m
2 stops
American Airlines Logo
12:00 - 14:54
SYD
-
SJU
40h 54m
1 stop
$1,764American Airlines
Wed, 19 Aug - Wed, 2 Sep
United Airlines Logo
16:55 - 07:00
SJU
-
SYD
48h 05m
2 stops
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
$1,792United Airlines
Wed, 26 Aug - Thu, 3 Sep
United Airlines Logo
16:55 - 07:00
SJU
-
SYD
48h 05m
2 stops
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
$1,793United Airlines
Wed, 26 Aug - Thu, 3 Sep
United Airlines Logo
16:55 - 07:00
SJU
-
SYD
48h 05m
2 stops
United Airlines Logo
09:30 - 23:50
SYD
-
SJU
28h 20m
2 stops
$1,795United Airlines
Wed, 26 Aug - Thu, 3 Sep
United Airlines Logo
07:40 - 07:00
SJU
-
SYD
32h 20m
1 stop
United Airlines Logo
09:15 - 16:36
SYD
-
SJU
22h 21m
1 stop
$1,815United Airlines
Wed, 18 Nov - Sun, 6 Dec
American Airlines Logo
12:55 - 06:55
SJU
-
SYD
27h 00m
2 stops
American Airlines Logo
21:25 - 13:05
SYD
-
SJU
30h 40m
2 stops
$1,816American Airlines
Wed, 18 Nov - Sun, 6 Dec
United Airlines Logo
14:21 - 09:05
SJU
-
SYD
27h 44m
2 stops
United Airlines Logo
09:15 - 21:00
SYD
-
SJU
26h 45m
2 stops
$1,821United Airlines
Wed, 18 Nov - Sun, 6 Dec

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United Airlines flights from San Juan to Sydney

Our best United Airlines deals on San Juan to Sydney flight tickets
United Airlines
19 Aug
SJU07:00San Juan Luis Munoz Marin Intl
33h 55m
2 stops
SYD06:55Sydney Kingsford Smith
2 Sept
SYD10:20Sydney Kingsford Smith
41h 25m
2 stops
SJU13:45San Juan Luis Munoz Marin Intl
$1,631
United Airlines
11 Aug
SJU14:20San Juan Luis Munoz Marin Intl
26h 35m
2 stops
SYD06:55Sydney Kingsford Smith
18 Aug
SYD10:20Sydney Kingsford Smith
27h 30m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
$1,647
United Airlines
26 Aug
SJU16:55San Juan Luis Munoz Marin Intl
48h 05m
2 stops
SYD07:00Sydney Kingsford Smith
3 Sept
SYD09:30Sydney Kingsford Smith
28h 20m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
$1,792

American Airlines flights from San Juan to Sydney

Our best American Airlines deals on San Juan to Sydney flight tickets
American Airlines
19 Aug
SJU15:44San Juan Luis Munoz Marin Intl
25h 11m
1 stop
SYD06:55Sydney Kingsford Smith
2 Sept
SYD12:00Sydney Kingsford Smith
40h 54m
1 stop
SJU14:54San Juan Luis Munoz Marin Intl
$1,757
American Airlines
19 Aug
SJU13:38San Juan Luis Munoz Marin Intl
27h 17m
2 stops
SYD06:55Sydney Kingsford Smith
2 Sept
SYD12:00Sydney Kingsford Smith
40h 54m
1 stop
SJU14:54San Juan Luis Munoz Marin Intl
$1,764
American Airlines
18 Nov
SJU06:44San Juan Luis Munoz Marin Intl
33h 11m
1 stop
SYD06:55Sydney Kingsford Smith
6 Dec
SYD14:05Sydney Kingsford Smith
30h 14m
1 stop
SJU05:19San Juan Luis Munoz Marin Intl
$1,809

momondo Fare Finder

 
Customise your flight search to find flights from San Juan to Sydney 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 28 June 2026.
Use the filters below to find and compare flights from San Juan to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

07:00-06:55

2 stops33h 55m

Sydney Kingsford Smith

Wed 2/9

10:20-13:45

2 stops41h 25m

$1,631
Fastest return journey

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 11/8

14:20-06:55

2 stops26h 35m

Sydney Kingsford Smith

Tue 18/8

10:20-23:50

2 stops27h 30m

$1,647

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

15:44-06:55

1 stop25h 11m

Sydney Kingsford Smith

Wed 2/9

12:00-14:54

1 stop40h 54m

$1,757

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 19/8

13:38-06:55

2 stops27h 17m

Sydney Kingsford Smith

Wed 2/9

12:00-14:54

1 stop40h 54m

$1,764

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 26/8

16:55-07:00

2 stops48h 05m

Sydney Kingsford Smith

Thu 3/9

09:30-23:50

2 stops28h 20m

$1,792

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 26/8

16:55-07:00

2 stops48h 05m

Sydney Kingsford Smith

Thu 3/9

09:30-23:50

2 stops28h 20m

$1,793

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 26/8

16:55-07:00

2 stops48h 05m

Sydney Kingsford Smith

Thu 3/9

09:30-23:50

2 stops28h 20m

$1,795

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

07:40-07:00

1 stop32h 20m

Sydney Kingsford Smith

Sun 6/12

09:15-16:36

1 stop22h 21m

$1,815

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

12:55-06:55

2 stops27h 00m

Sydney Kingsford Smith

Sun 6/12

21:25-13:05

2 stops30h 40m

$1,816

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

14:21-09:05

2 stops27h 44m

Sydney Kingsford Smith

Sun 6/12

09:15-21:00

2 stops26h 45m

$1,821

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 Sydney from

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

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 Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from San Juan, with most prices found around $1,065. If you aren’t able to travel to Sydney during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,605.

Cheap San Juan to Sydney flight deals and tips

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

Fastest flight time

26h 35m

Direct flights

None
The fastest flight from San Juan to Sydney takes 26h 35m
There are no direct flights from San Juan to Sydney. There are no popular flight routes from San Juan to Sydney.

Frequently asked questions about flying from San Juan to Sydney

  • How far is San Juan to Sydney Kingsford Smith by plane?

    The straight-line distance from San Juan to Sydney Kingsford Smith is 15934.6 km. A reasonable flight in good conditions will take 26h 35m.

  • When did momondo last update prices for flights from San Juan to Sydney Kingsford Smith Airport?

    Prices for flights from San Juan to Sydney Kingsford Smith Airport are updated daily.

  • How old do you have to be to fly from San Juan to Sydney Kingsford Smith Airport?

    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 Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Manly
Coogee
Leura
Lithgow
Bondi Beach
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from San Juan.

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

Flights from San Juan to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from San Juan.

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

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

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1 adult
Tue 28/7
Tue 4/8

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