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Cheap flights from Sydney to San Juan from $1,371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to San Juan departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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American Airlines Logo
11:20 - 15:05SYD-SJU
42h 45m2 stops
American Airlines Logo
08:19 - 09:00SJU-SYD
33h 41m2 stops
$2,127American Airlines
Find Deal
Mon, 9 Feb - Wed, 25 Feb
American Airlines Logo
14:05 - 15:05SYD-SJU
40h 00m1 stop
American Airlines Logo
10:57 - 09:00SJU-SYD
31h 03m2 stops
$2,136American Airlines
Find Deal
Mon, 9 Feb - Tue, 24 Feb
United Airlines Logo
11:20 - 21:26SYD-SJU
25h 06m2 stops
United Airlines Logo
08:35 - 06:20SJU-SYD
30h 45m2 stops
$2,151United Airlines
Find Deal
Wed, 11 Feb - Wed, 25 Feb
Delta Logo
14:15 - 13:05SYD-SJU
37h 50m2 stops
Delta Logo
18:17 - 08:30SJU-SYD
47h 13m2 stops
$2,153Delta
Find Deal
Mon, 9 Feb - Sat, 28 Feb
United Airlines Logo
11:50 - 16:36SYD-SJU
43h 46m1 stop
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$2,227United Airlines
Find Deal
Thu, 12 Feb - Fri, 27 Feb
Delta Logo
10:40 - 23:49SYD-SJU
28h 09m2 stops
Delta Logo
06:15 - 08:30SJU-SYD
35h 15m2 stops
$2,302Delta
Find Deal
Fri, 13 Feb - Fri, 27 Feb
Air Canada Logo
11:20 - 12:49SYD-SJU
40h 29m3 stops
Air Canada Logo
02:05 - 09:35SJU-SYD
40h 30m2 stops
$3,038Air Canada
Find Deal
Thu, 12 Feb - Wed, 25 Feb
Air Canada Logo
11:20 - 14:40SYD-SJU
42h 20m3 stops
Air Canada Logo
07:45 - 09:35SJU-SYD
34h 50m3 stops
$3,045Air Canada
Find Deal
Thu, 12 Feb - Thu, 26 Feb
Multiple Airlines Logo
15:15 - 16:35SYD-SJU
40h 20m2 stops
Multiple Airlines Logo
19:49 - 06:55SJU-SYD
44h 06m1 stop
$3,235Multiple Airlines
Find Deal
Mon, 9 Feb - Sat, 28 Feb
Multiple Airlines Logo
14:00 - 12:27SYD-SJU
37h 27m2 stops
Multiple Airlines Logo
19:49 - 06:55SJU-SYD
44h 06m1 stop
$3,258Multiple Airlines
Find Deal
Sat, 14 Feb - Wed, 25 Feb

United Airlines flights from Sydney to San Juan

Our best United Airlines deals on Sydney to San Juan flight tickets
United Airlines
11 Feb
SYD11:20Sydney Kingsford Smith
25h 06m
2 stops
SJU21:26San Juan Luis Munoz Marin Intl
25 Feb
SJU08:35San Juan Luis Munoz Marin Intl
30h 45m
2 stops
SYD06:20Sydney Kingsford Smith
$2,151
Find similar
United Airlines
12 Feb
SYD11:50Sydney Kingsford Smith
43h 46m
1 stop
SJU16:36San Juan Luis Munoz Marin Intl
27 Feb
SJU07:45San Juan Luis Munoz Marin Intl
32h 15m
1 stop
SYD07:00Sydney Kingsford Smith
$2,227
Find similar
United Airlines
9 Feb
SYD11:50Sydney Kingsford Smith
24h 36m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
1 Mar
SJU07:45San Juan Luis Munoz Marin Intl
32h 15m
1 stop
SYD07:00Sydney Kingsford Smith
$2,550
Find similar

American Airlines flights from Sydney to San Juan

Our best American Airlines deals on Sydney to San Juan flight tickets
American Airlines
9 Feb
SYD11:20Sydney Kingsford Smith
42h 45m
2 stops
SJU15:05San Juan Luis Munoz Marin Intl
25 Feb
SJU08:19San Juan Luis Munoz Marin Intl
33h 41m
2 stops
SYD09:00Sydney Kingsford Smith
$2,127
Find similar
American Airlines
9 Feb
SYD14:05Sydney Kingsford Smith
40h 00m
1 stop
SJU15:05San Juan Luis Munoz Marin Intl
24 Feb
SJU10:57San Juan Luis Munoz Marin Intl
31h 03m
2 stops
SYD09:00Sydney Kingsford Smith
$2,136
Find similar
American Airlines
9 Feb
SYD14:05Sydney Kingsford Smith
23h 21m
1 stop
SJU22:26San Juan Luis Munoz Marin Intl
23 Feb
SJU07:30San Juan Luis Munoz Marin Intl
32h 25m
1 stop
SYD06:55Sydney Kingsford Smith
$2,147
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney 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 7 November 2025.
Use the filters below to find and compare flights from Sydney to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 9/2

11:20-15:05

2 stops42h 45m

San Juan Luis Munoz Marin Intl

Wed 25/2

08:19-09:00

2 stops33h 41m

$2,127

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 9/2

14:05-15:05

1 stop40h 00m

San Juan Luis Munoz Marin Intl

Tue 24/2

10:57-09:00

2 stops31h 03m

$2,136

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Wed 11/2

11:20-21:26

2 stops25h 06m

San Juan Luis Munoz Marin Intl

Wed 25/2

08:35-06:20

2 stops30h 45m

$2,151

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 9/2

14:15-13:05

2 stops37h 50m

San Juan Luis Munoz Marin Intl

Sat 28/2

18:17-08:30

2 stops47h 13m

$2,153

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 12/2

11:50-16:36

1 stop43h 46m

San Juan Luis Munoz Marin Intl

Fri 27/2

07:45-07:00

1 stop32h 15m

$2,227

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 13/2

10:40-23:49

2 stops28h 09m

San Juan Luis Munoz Marin Intl

Fri 27/2

06:15-08:30

2 stops35h 15m

$2,302

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 12/2

11:20-12:49

3 stops40h 29m

San Juan Luis Munoz Marin Intl

Wed 25/2

02:05-09:35

2 stops40h 30m

$3,038

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 12/2

11:20-14:40

3 stops42h 20m

San Juan Luis Munoz Marin Intl

Thu 26/2

07:45-09:35

3 stops34h 50m

$3,045

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 9/2

15:15-16:35

2 stops40h 20m

San Juan Luis Munoz Marin Intl

Sat 28/2

19:49-06:55

1 stop44h 06m

$3,235

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 14/2

14:00-12:27

2 stops37h 27m

San Juan Luis Munoz Marin Intl

Wed 25/2

19:49-06:55

1 stop44h 06m

$3,258

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 San Juan from

How to get the cheapest flight ticket from Sydney 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 typical price of a round-trip flight between Sydney and San Juan?

What is the cheapest month to fly to San Juan?

The month of March is, on average, the cheapest month to fly to San Juan from Sydney, with most prices found around $1,519. If you aren’t able to travel to San Juan during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,920.

What is the cheapest day to depart on your flight to San Juan?

Our data shows that Monday is the least expensive day to fly to San Juan. Tickets to fly out on this day can be as low as $2,151. Flights from Sydney to San Juan on a Friday will generally be more expensive and average around $3,337. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Juan?

Our most recent data shows that the best time of day to fly to San Juan is in the morning. Flights from Sydney to San Juan during this time can be as low as $2,367. Try not to purchase tickets in the afternoon because they tend to be around $3,664. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Sydney to San Juan flight deals and tips

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

Direct flights

None
There are no direct flights from Sydney to San Juan. There are no popular flight routes from Sydney to San Juan.
Search flight deals

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

    The straight-line distance from Sydney Kingsford Smith to San Juan is 15934.6 km. By plane, this route typically takes 23h 21m.

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

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

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to San Juan?

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

  • What documentation or ID do you need to fly to San Juan?

    The necessary travel and health documents for your San Juan 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.

Best airlines flying from Sydney to San Juan

Compare and see reviews for airlines that fly from Sydney to San Juan with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,328Free cancellationRating
7.4
9,007 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Flights from Sydney to San Juan 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 Sydney to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Sydney. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to San Juan from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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