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Cheap flights from Sydney to San Juan from $1,238

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 15/2. 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 - 10:10SYD-SJU
37h 50m2 stops
American Airlines Logo
15:45 - 06:55SJU-SYD
24h 10m1 stop
$2,133American Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
07:45 - 09:15SJU-SYD
34h 30m2 stops
$2,452United Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Delta Logo
10:40 - 21:58SYD-SJU
26h 18m2 stops
Delta Logo
07:30 - 07:30SJU-SYD
33h 00m2 stops
$2,463Delta
Find Deal
Sun, 8 Mar - Tue, 10 Mar
Delta Logo
10:40 - 21:58SYD-SJU
26h 18m2 stops
Delta Logo
06:15 - 06:05SJU-SYD
32h 50m2 stops
$2,478Delta
Find Deal
Sun, 8 Mar - Tue, 10 Mar
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$2,529United Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Delta Logo
10:40 - 21:58SYD-SJU
26h 18m2 stops
Delta Logo
06:15 - 06:05SJU-SYD
32h 50m2 stops
$2,612Delta
Find Deal
Sun, 8 Mar - Tue, 10 Mar
American Airlines Logo
13:05 - 03:55SYD-SJU
29h 50m1 stop
American Airlines Logo
06:20 - 09:00SJU-SYD
35h 40m2 stops
$2,663American Airlines
Find Deal
Sun, 8 Mar - Tue, 10 Mar
United Airlines Logo
14:00 - 05:11SYD-SJU
30h 11m2 stops
United Airlines Logo
14:46 - 07:00SJU-SYD
25h 14m1 stop
$2,677United Airlines
Find Deal
Sun, 8 Mar - Tue, 10 Mar
Air Canada Logo
11:20 - 12:49SYD-SJU
40h 29m3 stops
Air Canada Logo
02:05 - 09:35SJU-SYD
40h 30m2 stops
$3,531Air Canada
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Thu, 27 Nov - Wed, 3 Dec
Air Canada Logo
11:20 - 12:49SYD-SJU
40h 29m3 stops
Air Canada Logo
02:05 - 09:35SJU-SYD
40h 30m3 stops
$3,563Air Canada
Find Deal
Thu, 27 Nov - Wed, 3 Dec

American Airlines flights from Sydney to San Juan

Our best American Airlines deals on Sydney to San Juan flight tickets
American Airlines
27 Nov
SYD11:20Sydney Kingsford Smith
37h 50m
2 stops
SJU10:10San Juan Luis Munoz Marin Intl
4 Dec
SJU15:45San Juan Luis Munoz Marin Intl
24h 10m
1 stop
SYD06:55Sydney Kingsford Smith
$2,133
Find similar
American Airlines
8 Mar
SYD13:05Sydney Kingsford Smith
29h 50m
1 stop
SJU03:55San Juan Luis Munoz Marin Intl
10 Mar
SJU06:20San Juan Luis Munoz Marin Intl
35h 40m
2 stops
SYD09:00Sydney Kingsford Smith
$2,663
Find similar
American Airlines
8 Mar
SYD13:05Sydney Kingsford Smith
29h 50m
1 stop
SJU03:55San Juan Luis Munoz Marin Intl
10 Mar
SJU06:20San Juan Luis Munoz Marin Intl
35h 40m
2 stops
SYD09:00Sydney Kingsford Smith
$2,679
Find similar

United Airlines flights from Sydney to San Juan

Our best United Airlines deals on Sydney to San Juan flight tickets
United Airlines
26 Nov
SYD11:50Sydney Kingsford Smith
24h 36m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
3 Dec
SJU07:45San Juan Luis Munoz Marin Intl
34h 30m
2 stops
SYD09:15Sydney Kingsford Smith
$2,452
Find similar
United Airlines
27 Nov
SYD11:50Sydney Kingsford Smith
24h 36m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
4 Dec
SJU07:45San Juan Luis Munoz Marin Intl
32h 15m
1 stop
SYD07:00Sydney Kingsford Smith
$2,529
Find similar
United Airlines
8 Mar
SYD14:00Sydney Kingsford Smith
30h 11m
2 stops
SJU05:11San Juan Luis Munoz Marin Intl
10 Mar
SJU14:46San Juan Luis Munoz Marin Intl
25h 14m
1 stop
SYD07:00Sydney Kingsford Smith
$2,677
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 15 October 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

Thu 27/11

11:20-10:10

2 stops37h 50m

San Juan Luis Munoz Marin Intl

Thu 4/12

15:45-06:55

1 stop24h 10m

$2,133

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Wed 26/11

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Wed 3/12

07:45-09:15

2 stops34h 30m

$2,452

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

10:40-21:58

2 stops26h 18m

San Juan Luis Munoz Marin Intl

Tue 10/3

07:30-07:30

2 stops33h 00m

$2,463

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

10:40-21:58

2 stops26h 18m

San Juan Luis Munoz Marin Intl

Tue 10/3

06:15-06:05

2 stops32h 50m

$2,478

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 27/11

11:50-21:26

1 stop24h 36m

San Juan Luis Munoz Marin Intl

Thu 4/12

07:45-07:00

1 stop32h 15m

$2,529

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

10:40-21:58

2 stops26h 18m

San Juan Luis Munoz Marin Intl

Tue 10/3

06:15-06:05

2 stops32h 50m

$2,612

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

13:05-03:55

1 stop29h 50m

San Juan Luis Munoz Marin Intl

Tue 10/3

06:20-09:00

2 stops35h 40m

$2,663

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 8/3

14:00-05:11

2 stops30h 11m

San Juan Luis Munoz Marin Intl

Tue 10/3

14:46-07:00

1 stop25h 14m

$2,677

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 27/11

11:20-12:49

3 stops40h 29m

San Juan Luis Munoz Marin Intl

Wed 3/12

02:05-09:35

2 stops40h 30m

$3,531

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 27/11

11:20-12:49

3 stops40h 29m

San Juan Luis Munoz Marin Intl

Wed 3/12

02:05-09:35

3 stops40h 30m

$3,563

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 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 $1,523. 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 $1,926.

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 $2,156. Flights from Sydney to San Juan on a Friday will generally be more expensive and average around $3,346. 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 $2,374. Try not to purchase tickets in the afternoon because they tend to be around $3,674. 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 36m.

  • 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 $1,332Free cancellationRating
7.4
8,976 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.

An easier way to manage your San Juan trip

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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