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Cheap flights from Sydney to San Juan from $1,090

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 5/9. 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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Find the cheapest flights from Sydney to San Juan

Cheap return flights

United Airlines Logo
11:50 - 20:26SYD-SJU
23h 36m1 stop
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$2,155United Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
United Airlines Logo
10:20 - 12:34SYD-SJU
40h 14m2 stops
United Airlines Logo
07:00 - 08:00SJU-SYD
34h 00m2 stops
$2,455United Airlines
Find Deal
Wed, 1 Oct - Wed, 8 Oct
United Airlines Logo
09:30 - 23:57SYD-SJU
28h 27m2 stops
United Airlines Logo
14:55 - 06:55SJU-SYD
50h 00m2 stops
$2,681United Airlines
Find Deal
Thu, 4 Sep - Fri, 5 Sep
American Airlines Logo
09:10 - 23:37SYD-SJU
28h 27m2 stops
American Airlines Logo
11:56 - 08:05SJU-SYD
29h 09m2 stops
$2,747American Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
American Airlines Logo
09:10 - 23:37SYD-SJU
28h 27m2 stops
American Airlines Logo
15:05 - 06:55SJU-SYD
25h 50m1 stop
$2,839American Airlines
Find Deal
Thu, 4 Sep - Fri, 5 Sep
United Airlines Logo
10:20 - 17:30SYD-SJU
45h 10m3 stops
United Airlines Logo
14:55 - 08:00SJU-SYD
26h 05m2 stops
$2,854United Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
Logo
13:15 - 11:04SYD-SJU
35h 49m3 stops
Logo
11:51 - 13:15SJU-SYD
34h 24m3 stops
$3,537
Find Deal
Thu, 2 Oct - Thu, 9 Oct
Air Canada Logo
09:20 - 23:57SYD-SJU
28h 37m2 stops
Air Canada Logo
01:05 - 08:20SJU-SYD
40h 15m3 stops
$3,946Air Canada
Find Deal
Thu, 2 Oct - Wed, 8 Oct
Air Canada Logo
09:20 - 12:00SYD-SJU
40h 40m3 stops
Air Canada Logo
15:56 - 07:20SJU-SYD
49h 24m3 stops
$4,521Air Canada
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Thu, 4 Sep - Fri, 5 Sep
Logo
12:10 - 16:18SYD-SJU
42h 08m1 stop
Logo
17:18 - 06:55SJU-SYD
46h 37m1 stop
$5,014
Find Deal
Thu, 2 Oct - Thu, 9 Oct

United Airlines flights from Sydney to San Juan

Our best United Airlines deals on Sydney to San Juan flight tickets
United Airlines
28 Oct
SYD11:50Sydney Kingsford Smith
23h 36m
1 stop
SJU20:26San Juan Luis Munoz Marin Intl
4 Nov
SJU07:45San Juan Luis Munoz Marin Intl
32h 15m
1 stop
SYD07:00Sydney Kingsford Smith
$2,155
Find similar
United Airlines
1 Oct
SYD10:20Sydney Kingsford Smith
40h 14m
2 stops
SJU12:34San Juan Luis Munoz Marin Intl
8 Oct
SJU07:00San Juan Luis Munoz Marin Intl
34h 00m
2 stops
SYD08:00Sydney Kingsford Smith
$2,455
Find similar
United Airlines
4 Sept
SYD09:30Sydney Kingsford Smith
28h 27m
2 stops
SJU23:57San Juan Luis Munoz Marin Intl
5 Sept
SJU14:55San Juan Luis Munoz Marin Intl
50h 00m
2 stops
SYD06:55Sydney Kingsford Smith
$2,681
Find similar

American Airlines flights from Sydney to San Juan

Our best American Airlines deals on Sydney to San Juan flight tickets
American Airlines
2 Oct
SYD09:10Sydney Kingsford Smith
28h 27m
2 stops
SJU23:37San Juan Luis Munoz Marin Intl
9 Oct
SJU11:56San Juan Luis Munoz Marin Intl
29h 09m
2 stops
SYD08:05Sydney Kingsford Smith
$2,747
Find similar
American Airlines
4 Sept
SYD09:10Sydney Kingsford Smith
28h 27m
2 stops
SJU23:37San Juan Luis Munoz Marin Intl
5 Sept
SJU15:05San Juan Luis Munoz Marin Intl
25h 50m
1 stop
SYD06:55Sydney Kingsford Smith
$2,839
Find similar
American Airlines
2 Oct
SYD09:10Sydney Kingsford Smith
28h 27m
2 stops
SJU23:37San Juan Luis Munoz Marin Intl
9 Oct
SJU15:10San Juan Luis Munoz Marin Intl
24h 45m
1 stop
SYD06:55Sydney Kingsford Smith
$3,076
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 18 August 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

Tue 28/10

11:50-20:26

1 stop23h 36m

San Juan Luis Munoz Marin Intl

Tue 4/11

07:45-07:00

1 stop32h 15m

$2,155

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Wed 1/10

10:20-12:34

2 stops40h 14m

San Juan Luis Munoz Marin Intl

Wed 8/10

07:00-08:00

2 stops34h 00m

$2,455

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 4/9

09:30-23:57

2 stops28h 27m

San Juan Luis Munoz Marin Intl

Fri 5/9

14:55-06:55

2 stops50h 00m

$2,681

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

09:10-23:37

2 stops28h 27m

San Juan Luis Munoz Marin Intl

Thu 9/10

11:56-08:05

2 stops29h 09m

$2,747

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 4/9

09:10-23:37

2 stops28h 27m

San Juan Luis Munoz Marin Intl

Fri 5/9

15:05-06:55

1 stop25h 50m

$2,839

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

10:20-17:30

3 stops45h 10m

San Juan Luis Munoz Marin Intl

Thu 9/10

14:55-08:00

2 stops26h 05m

$2,854

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

13:15-11:04

3 stops35h 49m

San Juan Luis Munoz Marin Intl

Thu 9/10

11:51-13:15

3 stops34h 24m

$3,537

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

09:20-23:57

2 stops28h 37m

San Juan Luis Munoz Marin Intl

Wed 8/10

01:05-08:20

3 stops40h 15m

$3,946

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 4/9

09:20-12:00

3 stops40h 40m

San Juan Luis Munoz Marin Intl

Fri 5/9

15:56-07:20

3 stops49h 24m

$4,521

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 2/10

12:10-16:18

1 stop42h 08m

San Juan Luis Munoz Marin Intl

Thu 9/10

17:18-06:55

1 stop46h 37m

$5,014

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 $1,708. 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 $1,869.

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 $2,148. Flights from Sydney to San Juan on a Friday will generally be more expensive and average around $3,333. 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 $2,365. Try not to purchase tickets in the afternoon because they tend to be around $3,660. 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

Best price found

$1,090

Fastest flight time

22h 54m

Direct flights

None

Airports in San Juan

1 airport
The best one-way flight to San Juan from Sydney in the past 72 hours is $1,090. The best return flight deal from Sydney to San Juan found on momondo in the last 72 hours is $2,155.
The fastest flight from Sydney to San Juan takes 22h 54m
There are no direct flights from Sydney to San Juan. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near San Juan: San Juan Luis Munoz Marin Intl (SJU)
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
American AirlinesPriceFrom $1,187Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,627Free cancellationRating
7.4
8,925 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