What is the cheapest airline that flies from San Juan to Sydney Kingsford Smith?

United Airlines is the most popular carrier operating from San Juan to Sydney Kingsford Smith

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.

$976 Cheap Flights from San Juan to Sydney in 2026

Find the cheapest flights from San Juan to Sydney

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Enter your travel dates to find the best prices.

14:21 - 09:20SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

27h 59m2 stops Denver Intl San Francisco

11:20 - 00:36SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

28h 16m2 stops Los Angeles Newark

$1,825United Airlines

Wed, 18 Nov - Sun, 6 Dec

06:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 27m1 stop Dallas/Fort Worth

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,884American Airlines

Wed, 18 Nov - Sun, 6 Dec

06:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 27m1 stop Dallas/Fort Worth

14:05 - 00:16SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 11m1 stop Dallas/Fort Worth

$1,885American Airlines

Wed, 18 Nov - Sun, 6 Dec

13:00 - 09:20SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

29h 20m2 stops Newark San Francisco

09:15 - 21:00SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

26h 45m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,946United Airlines

Thu, 12 Nov - Fri, 27 Nov

06:28 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

33h 27m1 stop Dallas/Fort Worth

14:05 - 00:13SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 08m1 stop Dallas/Fort Worth

$1,955American Airlines

Thu, 12 Nov - Sat, 28 Nov

10:32 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

29h 23m2 stops Miami Dallas/Fort Worth

14:05 - 00:13SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

25h 08m1 stop Dallas/Fort Worth

$1,960American Airlines

Thu, 12 Nov - Sat, 28 Nov

07:00 - 07:00SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

34h 00m2 stops Houston George Bush Intcntl Los Angeles

10:20 - 11:57SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

63h 37m2 stops San Francisco Newark

$1,964United Airlines

Thu, 17 Sep - Thu, 24 Sep

06:30 - 08:30SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

35h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:50SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

28h 10m2 stops Los Angeles Atlanta Hartsfield-Jackson

$2,146Delta

Tue, 29 Dec - Tue, 19 Jan

06:30 - 08:30SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

35h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 23:50SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

28h 10m2 stops Los Angeles Atlanta Hartsfield-Jackson

$2,147Delta

Tue, 29 Dec - Tue, 19 Jan

13:18 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

26h 37m2 stops Miami Dallas/Fort Worth

11:20 - 00:13SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

27h 53m2 stops Los Angeles Dallas/Fort Worth

$2,168American Airlines

Thu, 12 Nov - Sat, 28 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:00 - 07:00SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

34h 00m2 stops Houston George Bush Intcntl Los Angeles

10:20 - 17:38SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

69h 18m2 stops San Francisco Denver Intl

$2,663United Airlines

Wed, 26 Aug - Thu, 3 Sep

01:00 - 07:00SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

40h 00m2 stops Newark Los Angeles

10:20 - 17:38SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

69h 18m2 stops San Francisco Denver Intl

$2,834United Airlines

Tue, 25 Aug - Thu, 3 Sep

09:16 - 07:05SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

31h 49m2 stops Orlando Los Angeles

17:50 - 02:15SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

46h 25m2 stops Los Angeles Orlando

$3,141Multiple Airlines

Thu, 27 Aug - Sat, 29 Aug

03:10 - 09:15SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

40h 05m3 stops Orlando Los Angeles Brisbane

17:50 - 02:15SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

46h 25m2 stops Los Angeles Orlando

$3,172Multiple Airlines

Wed, 26 Aug - Sat, 29 Aug

15:44 - 20:10SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

38h 26m2 stops Dallas/Fort Worth Hong Kong Intl

07:40 - 14:54SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

45h 14m2 stops Hong Kong Intl Dallas/Fort Worth

$3,233Multiple Airlines

Wed, 26 Aug - Thu, 3 Sep

10:33 - 07:30SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

30h 57m2 stops Miami Los Angeles

21:25 - 14:38SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

31h 13m2 stops San Francisco Miami

$3,426American Airlines

Wed, 26 Aug - Fri, 28 Aug

07:00 - 08:45SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

35h 45m2 stops Houston George Bush Intcntl Auckland Intl

11:55 - 20:38SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

46h 43m2 stops Auckland Intl Houston George Bush Intcntl

$3,451Air New Zealand

Thu, 27 Aug - Sat, 29 Aug

10:33 - 07:05SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

30h 32m2 stops Miami Los Angeles

12:00 - 14:54SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

40h 54m1 stop Dallas/Fort Worth

$3,490American Airlines

Wed, 26 Aug - Thu, 3 Sep

15:44 - 06:55SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

25h 11m1 stop Dallas/Fort Worth

21:25 - 14:38SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

31h 13m2 stops San Francisco Miami

$3,635American Airlines

Wed, 26 Aug - Fri, 28 Aug

10:33 - 07:05SJU San Juan Luis Munoz Marin Intl-SYD Sydney Kingsford Smith

30h 32m2 stops Miami Los Angeles

12:00 - 14:54SYD Sydney Kingsford Smith-SJU San Juan Luis Munoz Marin Intl

40h 54m1 stop Dallas/Fort Worth

$3,699American Airlines

Wed, 26 Aug - Thu, 3 Sep

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American Airlines flights from San Juan to Sydney

Our best American Airlines deals on San Juan to Sydney flight tickets

American Airlines

18 Nov

SJU06:28San Juan Luis Munoz Marin Intl

33h 27m

1 stop

SYD06:55Sydney Kingsford Smith

6 Dec

SYD14:05Sydney Kingsford Smith

25h 11m

1 stop

SJU00:16San Juan Luis Munoz Marin Intl

$1,884

American Airlines

18 Nov

SJU06:28San Juan Luis Munoz Marin Intl

33h 27m

1 stop

SYD06:55Sydney Kingsford Smith

6 Dec

SYD14:05Sydney Kingsford Smith

25h 11m

1 stop

SJU00:16San Juan Luis Munoz Marin Intl

$1,885

American Airlines

12 Nov

SJU06:28San Juan Luis Munoz Marin Intl

33h 27m

1 stop

SYD06:55Sydney Kingsford Smith

28 Nov

SYD14:05Sydney Kingsford Smith

25h 08m

1 stop

SJU00:13San Juan Luis Munoz Marin Intl

$1,955

Delta flights from San Juan to Sydney

Our best Delta deals on San Juan to Sydney flight tickets

Delta

29 Dec

SJU06:30San Juan Luis Munoz Marin Intl

35h 00m

2 stops

SYD08:30Sydney Kingsford Smith

19 Jan

SYD10:40Sydney Kingsford Smith

28h 10m

2 stops

SJU23:50San Juan Luis Munoz Marin Intl

$2,146

Delta

29 Dec

SJU06:30San Juan Luis Munoz Marin Intl

35h 00m

2 stops

SYD08:30Sydney Kingsford Smith

19 Jan

SYD10:40Sydney Kingsford Smith

28h 10m

2 stops

SJU23:50San Juan Luis Munoz Marin Intl

$2,147

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

14:21-09:20

2 stops27h 59m

Sydney Kingsford Smith

Sun 6/12

11:20-00:36

2 stops28h 16m

$1,825

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

06:28-06:55

1 stop33h 27m

Sydney Kingsford Smith

Sun 6/12

14:05-00:16

1 stop25h 11m

$1,884

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Wed 18/11

06:28-06:55

1 stop33h 27m

Sydney Kingsford Smith

Sun 6/12

14:05-00:16

1 stop25h 11m

$1,885

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 12/11

13:00-09:20

2 stops29h 20m

Sydney Kingsford Smith

Fri 27/11

09:15-21:00

2 stops26h 45m

$1,946

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 12/11

06:28-06:55

1 stop33h 27m

Sydney Kingsford Smith

Sat 28/11

14:05-00:13

1 stop25h 08m

$1,955

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 12/11

10:32-06:55

2 stops29h 23m

Sydney Kingsford Smith

Sat 28/11

14:05-00:13

1 stop25h 08m

$1,960

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 17/9

07:00-07:00

2 stops34h 00m

Sydney Kingsford Smith

Thu 24/9

10:20-11:57

2 stops63h 37m

$1,964

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 29/12

06:30-08:30

2 stops35h 00m

Sydney Kingsford Smith

Tue 19/1

10:40-23:50

2 stops28h 10m

$2,146

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Tue 29/12

06:30-08:30

2 stops35h 00m

Sydney Kingsford Smith

Tue 19/1

10:40-23:50

2 stops28h 10m

$2,147

Fastest return journey

San JuanSydney

SJU San Juan Luis Munoz Marin Intl - SYD Sydney Kingsford Smith

SJUSYD

San Juan Luis Munoz Marin Intl

Thu 12/11

13:18-06:55

2 stops26h 37m

Sydney Kingsford Smith

Sat 28/11

11:20-00:13

2 stops27h 53m

$2,168

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Sydney?

The month of July is, on average, the cheapest month to fly to Sydney from San Juan, with most prices found around $0. If you aren’t able to travel to Sydney during the month of July, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,842.

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

Best price found	$976
Fastest flight time	27h 59m
Direct flights	None

The best one-way flight to Sydney from San Juan in the past 72 hours is $976. The best return flight deal from San Juan to Sydney found on momondo in the last 72 hours is $1,825.

The fastest flight from San Juan to Sydney takes 27h 59m

There are no direct flights from San Juan to Sydney. There are no popular flight routes from San Juan to Sydney.

Search flight deals

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 27h 59m.
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.

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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.