$1,109 Find Cheap Flights 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 Australia 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 Puerto Rico Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights 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 to Puerto Rico

Sat, 2 May - Fri, 8 May
Multiple Airlines Logo
17:50 - 10:39
SYD
-
SJU
30h 49m
2 stops
Multiple Airlines Logo
03:03 - 07:05
SJU
-
SYD
38h 02m
2 stops
$2,014Multiple Airlines
Sun, 10 May - Thu, 14 May
American Airlines Logo
09:10 - 04:32
SYD
-
SJU
33h 22m
2 stops
American Airlines Logo
19:00 - 07:05
SJU
-
SYD
46h 05m
2 stops
$2,027American Airlines
Sun, 10 May - Thu, 14 May
American Airlines Logo
09:10 - 14:42
SYD
-
SJU
43h 32m
2 stops
American Airlines Logo
19:00 - 07:05
SJU
-
SYD
46h 05m
2 stops
$2,030American Airlines
Sat, 2 May - Sat, 9 May
American Airlines Logo
12:00 - 04:32
SYD
-
SJU
30h 32m
1 stop
American Airlines Logo
13:31 - 07:05
SJU
-
SYD
27h 34m
2 stops
$2,036American Airlines
Sun, 10 May - Thu, 14 May
American Airlines Logo
09:10 - 22:05
SYD
-
SJU
26h 55m
2 stops
American Airlines Logo
19:00 - 07:05
SJU
-
SYD
46h 05m
2 stops
$2,038American Airlines
Sun, 10 May - Thu, 14 May
American Airlines Logo
12:00 - 04:32
SYD
-
SJU
30h 32m
1 stop
American Airlines Logo
16:30 - 07:05
SJU
-
SYD
48h 35m
2 stops
$2,040American Airlines
Sun, 10 May - Thu, 14 May
American Airlines Logo
12:00 - 23:03
SYD
-
SJU
25h 03m
1 stop
American Airlines Logo
19:00 - 07:05
SJU
-
SYD
46h 05m
2 stops
$2,047American Airlines
Sat, 2 May - Sat, 9 May
Air Canada Logo
09:20 - 13:45
SYD
-
SJU
42h 25m
2 stops
Air Canada Logo
07:40 - 07:20
SJU
-
SYD
57h 40m
3 stops
$2,269Air Canada
Sun, 10 May - Thu, 14 May
Air Canada Logo
09:20 - 12:04
SYD
-
SJU
40h 44m
2 stops
Air Canada Logo
07:20 - 07:20
SJU
-
SYD
34h 00m
3 stops
$2,354Air Canada
Sun, 10 May - Thu, 14 May
Air Canada Logo
09:20 - 12:04
SYD
-
SJU
40h 44m
2 stops
Air Canada Logo
07:20 - 07:20
SJU
-
SYD
34h 00m
3 stops
$2,357Air Canada
Booking Insights

KAYAK's insights & trends for flights to Puerto Rico

Get data-powered insights and trends into flights 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 Australia to Puerto Rico?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Australia 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 Australia to Puerto Rico is August, when tickets cost $1,099 (return) on average. On the other hand, the most expensive months are January and December, when the average cost of round-trip tickets is $2,399 and $2,362 respectively.

Good to know

Low seasonFebruary
Cheapest flight$1,109
Most popular time to fly (20% 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 Australia 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 Australia to Puerto Rico.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Australia 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 Australia 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 Australia 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 Australia 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 Australia to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Puerto Rico

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Puerto Rico flight deals.

Reviews of the top airline flying to Puerto Rico

 
Need help choosing which airline to fly with from Australia 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 9455 reviews
7.7Boarding
7.1Entertainment
6.6Food
7.3Comfort
8.1Crew
Airline reviews

Terrible experience! delay 2 time and say i dont have ticket

2.0 Mediocrephuong, Mar 2026
TPE - SFO
Read more United Airlines reviews

Terrible experience! delay 2 time and say i dont have ticket

It’s always a great time flying with united airlines.

They never clean the toilet, and the food is worse

Staff were good. My seat was in need of repair, but for a short flight was not problematic. Usual basic snack and drink setup that you'll find on any US carrier. Over, a decent, basic flight.

Airport terminal was outdated, flight was on a small jet with no wifi

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.

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

Great crew, excellent landing, good food. Over all great experience. Thank you!

My husband and I recently had an unfortunate experience with Lufthansa. At the Philadelphia International airport, the ground staff refused to board us because we didn’t have a current visa stamped on our passports for Frankfurt. We completely understand that this was our mistake. we should have double-checked the visa requirements before our trip. However, the issue that upset us most was how the situation was handled by the staff. They told us they would mark it as “boarding denied due to visa issue”, but instead they recorded it as “no show”. Because of that incorrect entry, our return flight was automatically cancelled as well, which caused additional stress and expense. Mistakes can happen, but we expected more transparency and accuracy from a reputed airline like Lufthansa. It would have made a big difference if the staff had been more careful and considerate in documenting the situation correctly.

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Everything you need to know for your flight to Puerto Rico

Cabin class types available on flights to Puerto Rico

Cabin classes available on flights to Puerto Rico. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.