$858 Find Cheap Flights from Sydney to Puerto Rico

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Puerto Rico departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Sydney to Puerto Rico Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Sydney to Puerto Rico that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Puerto Rico

Mon, 29 Jun - Sat, 22 Aug
United Airlines Logo
10:20 - 15:42
SYD
-
SJU
43h 22m
2 stops
United Airlines Logo
15:56 - 06:55
SJU
-
SYD
48h 59m
2 stops
$2,096United Airlines
Fri, 26 Jun - Sun, 9 Aug
United Airlines Logo
10:20 - 17:38
SYD
-
SJU
69h 18m
2 stops
United Airlines Logo
02:05 - 06:55
SJU
-
SYD
38h 50m
2 stops
$2,177United Airlines
Fri, 26 Jun - Mon, 10 Aug
American Airlines Logo
12:00 - 04:25
SYD
-
SJU
30h 25m
1 stop
American Airlines Logo
10:33 - 07:05
SJU
-
SYD
30h 32m
2 stops
$2,463American Airlines
Tue, 23 Jun - Tue, 30 Jun
Delta Logo
09:15 - 22:29
SYD
-
SJU
27h 14m
2 stops
Delta Logo
06:00 - 06:50
SJU
-
SYD
34h 50m
2 stops
$2,524Delta
Mon, 29 Jun - Fri, 21 Aug
United Airlines Logo
10:20 - 17:38
SYD
-
SJU
45h 18m
2 stops
United Airlines Logo
07:00 - 07:00
SJU
-
SYD
34h 00m
2 stops
$2,550United Airlines
Mon, 29 Jun - Wed, 26 Aug
American Airlines Logo
12:00 - 04:25
SYD
-
SJU
30h 25m
1 stop
American Airlines Logo
10:33 - 07:30
SJU
-
SYD
30h 57m
2 stops
$2,609American Airlines
Mon, 29 Jun - Fri, 21 Aug
American Airlines Logo
12:00 - 04:25
SYD
-
SJU
30h 25m
1 stop
American Airlines Logo
13:38 - 07:05
SJU
-
SYD
27h 27m
2 stops
$2,919American Airlines
Tue, 23 Jun - Mon, 29 Jun
American Airlines Logo
12:00 - 04:25
SYD
-
SJU
30h 25m
1 stop
American Airlines Logo
00:44 - 06:55
SJU
-
SYD
40h 11m
1 stop
$2,923American Airlines
Tue, 8 Sep - Sat, 12 Sep
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
14:55 - 07:00
SJU
-
SYD
50h 05m
2 stops
$2,979United Airlines
Tue, 8 Sep - Sat, 12 Sep
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
15:56 - 06:55
SJU
-
SYD
48h 59m
2 stops
$2,981United Airlines
Booking Insights

KAYAK's insights & trends for Sydney to Puerto Rico flights

Get data-powered insights and trends into flights from Sydney to Puerto Rico to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest month to fly from Sydney to Puerto Rico?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Puerto Rico, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Puerto Rico is October, when tickets cost $909 (return) on average. On the other hand, the most expensive months are January and February, when the average cost of return tickets is $2,330 and $2,249 respectively.

Good to know

Low seasonFebruary
Cheapest flight$858
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly (46% more expensive on average)
Flight from Sydney to San Juan

FAQs - booking Puerto Rico flights

  • How does KAYAK find such low prices on flights from Sydney to Puerto Rico?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Puerto Rico.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Puerto Rico?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sydney to Puerto Rico is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Puerto Rico?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Sydney to Puerto Rico with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Puerto Rico?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sydney to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Sydney to Puerto Rico

 
Need help choosing which airline to fly with from Sydney to Puerto Rico? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9749 reviews
7.1Entertainment
8.1Crew
6.6Food
7.7Boarding
7.3Comfort
Airline reviews

First class ticket gets you no seat back entertainment? I have to bring my own laptop to see a movie? And most of their movies have ADS? No thank you. Worse: Tiny snacks only on a 2 hr flight?

4.0 OkayAnonymous, May 2026
PHX - SFO
Read more United Airlines reviews

First class ticket gets you no seat back entertainment? I have to bring my own laptop to see a movie? And most of their movies have ADS? No thank you. Worse: Tiny snacks only on a 2 hr flight?

No complaints other than luggage carousel was incorrectly guiding passengers to the wrong carousel on the screen.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

As great a red-eye flight as red-eye flights can be.

Good flight. However, when booked flight with United, assumed the layover included by United in San Francisco of 1 hr and 40 minutes was sufficient . Not so and would recommend at least 2 hours or more. Needed to go through US immigration (very long lineups), then pick up bags, take all the way to another terminal, running because we did not have sufficient time. We made the flight because they held the door for us but luggage didn’t follow.

HORRIBLE, my initial flight was cancelled, they made me pay $200 extra dollars and that got cancelled as well! After 6 cancellations I decided to get a refund because I needed to get home to my babies. Out of $1000+ dollars they offered me only $40 in refund! Totally unacceptable! The flight that they cancelled I was able to fly it on another airline. I had to spend $400 on one way tickets just to get home! I’m still getting the runaround.

It was good but only meal served is very less. Meantime good to add rice and chicken in one of meal

For an expensive flight to another country, United has a lot of nerve serving pretzels and no meals (unless, of course, you want to buy something to eat). Unacceptable.

The only downside was my cell phone charger wouldn’t work in the charging port but everyone else’s would work in them all. My cell phone cable works fine in my hotel room in Frankfurt.

Very nice flight love the small aircraft. We had a wonderful flight attendant. Nice to see someone that really enjoys her job. Don't have her name but had a southern accent.

Everything you need to know for your flight from Sydney to Puerto Rico

Information on your arrival and departure airports