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Cheap flights from Sydney to San Juan from $859

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SJU
20 Jun — 27 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to San Juan
Explore the most affordable flight options available from Sydney to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 May 2026.

Sat 4/709:15
SYD
-
SJU
2 stops27h 12m
Delta
Sat 11/714:42
SJU
-
SYD
2 stops26h 08m
Delta
Deal found 20/5$2,613
Tue 26/512:00
SYD
-
SJU
1 stop30h 49m
Multiple Airlines
Sat 30/508:59
SJU
-
SYD
2 stops32h 31m
Multiple Airlines
Deal found 17/5$2,689
Tue 30/609:15
SYD
-
SJU
2 stops27h 14m
Delta
Tue 7/714:42
SJU
-
SYD
2 stops26h 08m
Delta
Deal found 16/5$2,856
Tue 26/509:15
SYD
-
SJU
2 stops27h 02m
Delta
Sat 30/506:15
SJU
-
SYD
2 stops34h 35m
Delta
Deal found 17/5$2,857
Tue 8/909:30
SYD
-
SJU
2 stops25h 08m
United Airlines
Sat 12/916:55
SJU
-
SYD
2 stops48h 00m
United Airlines
Deal found 19/5$2,975
Fri 7/809:30
SYD
-
SJU
2 stops25h 54m
United Airlines
Tue 11/807:40
SJU
-
SYD
2 stops33h 20m
United Airlines
Deal found 17/5$3,062
Tue 9/609:30
SYD
-
SJU
2 stops28h 20m
United Airlines
Thu 11/602:05
SJU
-
SYD
2 stops38h 50m
United Airlines
Deal found 19/5$3,065
Sat 4/712:00
SYD
-
SJU
1 stop23h 43m
American Airlines
Sat 11/715:02
SJU
-
SYD
2 stops26h 03m
American Airlines
Deal found 20/5$3,160
Tue 8/912:00
SYD
-
SJU
2 stops37h 10m
American Airlines
Sat 12/915:42
SJU
-
SYD
1 stop25h 13m
American Airlines
Deal found 19/5$3,169

Find flight deals from Sydney to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 May 2026.

Round-trip from

$2,613

One-way from

$859

Popular in

March

Cheapest in

October

Average price

$2,142
Delta
  • Delta
  • 4/7-11/7
  • 4 total stops
  • 53h 20m total
  • Sydney to San Juan
Search Deals
United Airlines
  • United Airlines
  • 1/6
  • 2 total stops
  • 45h 18m total
  • Sydney to San Juan
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($730 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($144 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 21 May 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
Fastest return journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 4/7

09:15-22:27

2 stops27h 12m

San Juan Luis Munoz Marin Intl

Sat 11/7

14:42-06:50

2 stops26h 08m

$2,613

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 30/6

09:15-22:29

2 stops27h 14m

San Juan Luis Munoz Marin Intl

Tue 7/7

14:42-06:50

2 stops26h 08m

$2,856

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

09:30-20:38

2 stops25h 08m

San Juan Luis Munoz Marin Intl

Sat 12/9

16:55-06:55

2 stops48h 00m

$2,975

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Fri 7/8

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Tue 11/8

14:20-07:00

2 stops26h 40m

$3,064

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 9/6

09:30-23:50

2 stops28h 20m

San Juan Luis Munoz Marin Intl

Thu 11/6

02:05-06:55

2 stops38h 50m

$3,065

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 8/9

12:00-11:10

2 stops37h 10m

San Juan Luis Munoz Marin Intl

Sat 12/9

15:42-06:55

1 stop25h 13m

$3,173

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 30/6

12:00-23:39

1 stop25h 39m

San Juan Luis Munoz Marin Intl

Mon 6/7

00:58-06:55

1 stop39h 57m

$3,419

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Sat 4/7

15:45-09:45

3 stops32h 00m

San Juan Luis Munoz Marin Intl

Sat 11/7

15:02-07:05

2 stops26h 03m

$3,766

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Tue 9/6

12:00-21:58

2 stops23h 58m

San Juan Luis Munoz Marin Intl

Fri 12/6

10:29-09:20

3 stops32h 51m

$3,828
Cheapest one-way
Fastest single journey

SydneySan Juan

SYD - SJU

SYDSJU

Sydney Kingsford Smith

Mon 1/6

10:20-17:38

2 stops45h 18m

$859

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Juan

How much does it cost for a return flight from Sydney to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 21 May 2026.
Read reviews from past customers who have flown with United Airlines from Sydney to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,748 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,748 reviews
United Airlines
7.4
Good
9,748 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sydney to San Juan?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to San Juan. You should not have trouble finding flights to San Juan from Kingsford Smith; the airport handles an average of 0 outbound flights to San Juan per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Sydney airport to San Juan. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • How long is the flight from Sydney to San Juan?

    Departing from Sydney to San Juan will take you 25h 08m. The distance between Sydney and San Juan is about 15944 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Sydney to San Juan round-trip?

    According to our current data, United Airlines ($1,192), offers the cheapest pricing from Sydney to San Juan. You may be able to fly from Sydney to San Juan for 44% less than the average price by searching for this airline.

  • Can I find deals for flights from Sydney to San Juan that include hotel bookings?

    Yes. In addition to deals on Sydney to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Juan.

  • Can I find deals for business class flights from Sydney to San Juan?

    Yes. Cheapflights offers flight deals from Sydney to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Luis Munoz Marin Intl flights

Top airline flying from Sydney to San Juan

Discover the top airline that operate flights from Sydney to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,192Average$2,129FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Juan?

Cheapflights makes it easy to find Sydney to San Juan flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Juan?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Juan from Sydney.

Can Cheapflights find flights from Sydney to San Juan with no change fees?

Certainly. Search results for flights to San Juan from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to San Juan become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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