Cheap flights from San Juan to Sydney from $880

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 26/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
15:40 - 09:35
SJU
-
SYD
50h 55m2 stops
Air Canada Logo
11:20 - 14:40
SYD
-
SJU
42h 20m2 stops
$1,691Air Canada
Sat, 24 Jan - Sat, 31 Jan
Air Canada Logo
15:40 - 09:35
SJU
-
SYD
50h 55m2 stops
Air Canada Logo
11:20 - 13:55
SYD
-
SJU
41h 35m3 stops
$1,695Air Canada
Sat, 24 Jan - Sat, 31 Jan
American Airlines Logo
06:33 - 06:55
SJU
-
SYD
33h 22m1 stop
American Airlines Logo
13:00 - 05:28
SYD
-
SJU
31h 28m1 stop
$2,072American Airlines
Sun, 15 Mar - Sun, 29 Mar
American Airlines Logo
13:23 - 09:00
SJU
-
SYD
28h 37m2 stops
American Airlines Logo
10:10 - 22:31
SYD
-
SJU
27h 21m2 stops
$2,075American Airlines
Sun, 15 Mar - Sun, 29 Mar
American Airlines Logo
06:33 - 06:55
SJU
-
SYD
33h 22m1 stop
American Airlines Logo
10:10 - 22:31
SYD
-
SJU
27h 21m2 stops
$2,076American Airlines
Sun, 15 Mar - Sun, 29 Mar
Delta Logo
06:15 - 07:25
SJU
-
SYD
34h 10m2 stops
Delta Logo
10:15 - 23:12
SYD
-
SJU
27h 57m2 stops
$2,100Delta
Sun, 15 Mar - Sun, 29 Mar
United Airlines Logo
14:55 - 07:00
SJU
-
SYD
50h 05m2 stops
United Airlines Logo
10:20 - 21:24
SYD
-
SJU
25h 04m2 stops
$2,154United Airlines
Sat, 2 May - Sat, 16 May
United Airlines Logo
16:55 - 06:55
SJU
-
SYD
48h 00m2 stops
United Airlines Logo
10:20 - 21:24
SYD
-
SJU
25h 04m2 stops
$2,155United Airlines
Sat, 2 May - Sat, 16 May
United Airlines Logo
06:40 - 07:00
SJU
-
SYD
33h 20m1 stop
United Airlines Logo
11:20 - 17:38
SYD
-
SJU
45h 18m2 stops
$2,163United Airlines
Sun, 15 Mar - Sun, 29 Mar
United Airlines Logo
13:40 - 07:00
SJU
-
SYD
27h 20m2 stops
United Airlines Logo
09:30 - 17:30
SYD
-
SJU
46h 00m2 stops
$2,167United Airlines
Fri, 1 May - Sun, 31 May

United Airlines flights from San Juan to Sydney

Our best United Airlines deals on San Juan to Sydney flight tickets
United Airlines
2 May
SJU14:55San Juan Luis Munoz Marin Intl
50h 05m
2 stops
SYD07:00Sydney Kingsford Smith
16 May
SYD10:20Sydney Kingsford Smith
25h 04m
2 stops
SJU21:24San Juan Luis Munoz Marin Intl
United Airlines
2 May
SJU16:55San Juan Luis Munoz Marin Intl
48h 00m
2 stops
SYD06:55Sydney Kingsford Smith
16 May
SYD10:20Sydney Kingsford Smith
25h 04m
2 stops
SJU21:24San Juan Luis Munoz Marin Intl
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

American Airlines flights from San Juan to Sydney

Our best American Airlines deals on San Juan to Sydney flight tickets
American Airlines
15 Mar
SJU06:33San Juan Luis Munoz Marin Intl
33h 22m
1 stop
SYD06:55Sydney Kingsford Smith
29 Mar
SYD13:00Sydney Kingsford Smith
31h 28m
1 stop
SJU05:28San Juan Luis Munoz Marin Intl
American Airlines
15 Mar
SJU13:23San Juan Luis Munoz Marin Intl
28h 37m
2 stops
SYD09:00Sydney Kingsford Smith
29 Mar
SYD10:10Sydney Kingsford Smith
27h 21m
2 stops
SJU22:31San Juan Luis Munoz Marin Intl
American Airlines
15 Mar
SJU06:33San Juan Luis Munoz Marin Intl
33h 22m
1 stop
SYD06:55Sydney Kingsford Smith
29 Mar
SYD10:10Sydney Kingsford Smith
27h 21m
2 stops
SJU22:31San Juan Luis Munoz Marin Intl

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 8 January 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

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 24/1

15:40-09:35

2 stops50h 55m

Sydney Kingsford Smith

Sat 31/1

11:20-14:40

2 stops42h 20m

$1,691

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 24/1

15:40-09:35

2 stops50h 55m

Sydney Kingsford Smith

Sat 31/1

11:20-13:55

3 stops41h 35m

$1,695

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

06:33-06:55

1 stop33h 22m

Sydney Kingsford Smith

Sun 29/3

13:00-05:28

1 stop31h 28m

$2,072

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

13:23-09:00

2 stops28h 37m

Sydney Kingsford Smith

Sun 29/3

10:10-22:31

2 stops27h 21m

$2,075

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

06:33-06:55

1 stop33h 22m

Sydney Kingsford Smith

Sun 29/3

10:10-22:31

2 stops27h 21m

$2,076

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sun 15/3

06:15-07:25

2 stops34h 10m

Sydney Kingsford Smith

Sun 29/3

10:15-23:12

2 stops27h 57m

$2,100

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

14:55-07:00

2 stops50h 05m

Sydney Kingsford Smith

Sat 16/5

10:20-21:24

2 stops25h 04m

$2,154

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Sat 2/5

16:55-06:55

2 stops48h 00m

Sydney Kingsford Smith

Sat 16/5

10:20-21:24

2 stops25h 04m

$2,155

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

$2,163

San JuanSydney

SJU - SYD

SJUSYD

San Juan Luis Munoz Marin Intl

Fri 1/5

13:40-07:00

2 stops27h 20m

Sydney Kingsford Smith

Sun 31/5

09:30-17:30

2 stops46h 00m

$2,167

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 September is, on average, the cheapest month to fly to Sydney from San Juan, with most prices found around $2,146. If you aren’t able to travel to Sydney during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $2,174.

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 19m

Direct flights

None
The fastest flight from San Juan to Sydney takes 26h 19m
There are no direct flights from San Juan to Sydney. There are no popular flight routes 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 19m.

  • 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
Lithgow
Leura
Manly
Bondi Beach
Coogee
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
Sat 7/2
Sat 14/2

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