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Cheap flights from Sydney to San Juan from $1,638

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to San Juan departing on 17/4. 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.
American Airlines Logo
09:10 - 21:24
SYD
-
SJU
26h 14m
2 stops
American Airlines Logo
11:43 - 07:05
SJU
-
SYD
29h 22m
2 stops
$1,638American Airlines
Fri, 17 Apr - Fri, 24 Apr
American Airlines Logo
12:00 - 23:02
SYD
-
SJU
25h 02m
1 stop
American Airlines Logo
13:31 - 07:05
SJU
-
SYD
27h 34m
2 stops
$1,648American Airlines
Fri, 17 Apr - Fri, 24 Apr
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
07:40 - 07:00
SJU
-
SYD
33h 20m
2 stops
$1,773United Airlines
Fri, 17 Apr - Fri, 24 Apr
American Airlines Logo
12:00 - 23:02
SYD
-
SJU
25h 02m
1 stop
American Airlines Logo
13:31 - 07:05
SJU
-
SYD
27h 34m
2 stops
$1,783American Airlines
Fri, 17 Apr - Fri, 24 Apr
American Airlines Logo
12:00 - 23:02
SYD
-
SJU
25h 02m
1 stop
American Airlines Logo
06:45 - 06:55
SJU
-
SYD
34h 10m
1 stop
$1,787American Airlines
Fri, 17 Apr - Fri, 24 Apr
Delta Logo
09:15 - 20:30
SYD
-
SJU
25h 15m
2 stops
Delta Logo
06:15 - 06:50
SJU
-
SYD
34h 35m
2 stops
$2,214Delta
Thu, 28 May - Mon, 1 Jun
American Airlines Logo
12:00 - 04:32
SYD
-
SJU
30h 32m
1 stop
American Airlines Logo
06:45 - 06:55
SJU
-
SYD
34h 10m
1 stop
$2,356American Airlines
Fri, 17 Apr - Fri, 24 Apr
United Airlines Logo
09:30 - 17:38
SYD
-
SJU
46h 08m
2 stops
United Airlines Logo
16:55 - 06:55
SJU
-
SYD
48h 00m
2 stops
$2,460United Airlines
Sun, 12 Apr - Sat, 18 Apr
Delta Logo
09:15 - 22:17
SYD
-
SJU
27h 02m
2 stops
Delta Logo
13:14 - 06:50
SJU
-
SYD
27h 36m
2 stops
$2,480Delta
Mon, 1 Jun - Fri, 5 Jun
American Airlines Logo
12:00 - 04:25
SYD
-
SJU
30h 25m
1 stop
American Airlines Logo
11:55 - 07:05
SJU
-
SYD
29h 10m
2 stops
$2,487American Airlines
Thu, 28 May - Mon, 1 Jun

Air Canada flights from Sydney to San Juan

Our best Air Canada deals on Sydney to San Juan flight tickets
Air Canada
1 June
SYD09:20Sydney Kingsford Smith
28h 30m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
4 June
SJU02:05San Juan Luis Munoz Marin Intl
39h 15m
3 stops
SYD07:20Sydney Kingsford Smith
$3,151
Air Canada
28 May
SYD09:20Sydney Kingsford Smith
40h 44m
2 stops
SJU12:04San Juan Luis Munoz Marin Intl
31 May
SJU01:00San Juan Luis Munoz Marin Intl
40h 20m
3 stops
SYD07:20Sydney Kingsford Smith
$3,782
Air Canada
28 May
SYD09:20Sydney Kingsford Smith
40h 44m
2 stops
SJU12:04San Juan Luis Munoz Marin Intl
31 May
SJU01:00San Juan Luis Munoz Marin Intl
40h 20m
3 stops
SYD07:20Sydney Kingsford Smith
$3,800

Delta flights from Sydney to San Juan

Our best Delta deals on Sydney to San Juan flight tickets
Delta
28 May
SYD09:15Sydney Kingsford Smith
25h 15m
2 stops
SJU20:30San Juan Luis Munoz Marin Intl
1 June
SJU06:15San Juan Luis Munoz Marin Intl
34h 35m
2 stops
SYD06:50Sydney Kingsford Smith
$2,214
Delta
1 June
SYD09:15Sydney Kingsford Smith
27h 02m
2 stops
SJU22:17San Juan Luis Munoz Marin Intl
5 June
SJU13:14San Juan Luis Munoz Marin Intl
27h 36m
2 stops
SYD06:50Sydney Kingsford Smith
$2,480

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 6 March 2026.
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

Cheapest return flight

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

09:10-21:24

2 stops26h 14m

San Juan Luis Munoz Marin Intl

Fri 24/4

11:43-07:05

2 stops29h 22m

$1,638
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

12:00-23:02

1 stop25h 02m

San Juan Luis Munoz Marin Intl

Fri 24/4

13:31-07:05

2 stops27h 34m

$1,648

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Fri 24/4

07:40-07:00

2 stops33h 20m

$1,773

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

12:00-23:02

1 stop25h 02m

San Juan Luis Munoz Marin Intl

Fri 24/4

13:31-07:05

2 stops27h 34m

$1,783

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

12:00-23:02

1 stop25h 02m

San Juan Luis Munoz Marin Intl

Fri 24/4

06:45-06:55

1 stop34h 10m

$1,787

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

09:15-20:30

2 stops25h 15m

San Juan Luis Munoz Marin Intl

Mon 1/6

06:15-06:50

2 stops34h 35m

$2,214

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 17/4

12:00-04:32

1 stop30h 32m

San Juan Luis Munoz Marin Intl

Fri 24/4

06:45-06:55

1 stop34h 10m

$2,356

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sun 12/4

09:30-17:38

2 stops46h 08m

San Juan Luis Munoz Marin Intl

Sat 18/4

16:55-06:55

2 stops48h 00m

$2,460

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 1/6

09:15-22:17

2 stops27h 02m

San Juan Luis Munoz Marin Intl

Fri 5/6

13:14-06:50

2 stops27h 36m

$2,480

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Thu 28/5

12:00-04:25

1 stop30h 25m

San Juan Luis Munoz Marin Intl

Mon 1/6

11:55-07:05

2 stops29h 10m

$2,487

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 August is, on average, the cheapest month to fly to San Juan from Sydney, with most prices found around $1,098. If you aren’t able to travel to San Juan during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,236.

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

Fastest flight time

25h 04m

Direct flights

None
The fastest flight from Sydney to San Juan takes 25h 04m
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 25h 04m.

  • 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 $1,208Free cancellationRating
7.4
9,403 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