$1,396 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

KAYAK searches hundreds of travel sites at once for deals on flights to Puerto Rico

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
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

Fri, 17 Jul - Tue, 28 Jul
United Airlines Logo
09:30 - 20:38
SYD
-
SJU
25h 08m
2 stops
United Airlines Logo
14:55 - 07:00
SJU
-
SYD
26h 05m
2 stops
$2,264United Airlines
Fri, 17 Jul - Tue, 28 Jul
American Airlines Logo
12:00 - 04:39
SYD
-
SJU
30h 39m
1 stop
American Airlines Logo
11:54 - 07:05
SJU
-
SYD
29h 11m
2 stops
$2,606American Airlines
Thu, 23 Apr - Thu, 30 Apr
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
$2,634American Airlines
Thu, 23 Apr - Thu, 30 Apr
United Airlines Logo
09:30 - 21:24
SYD
-
SJU
25h 54m
2 stops
United Airlines Logo
07:20 - 06:55
SJU
-
SYD
33h 35m
2 stops
$2,637United Airlines
Thu, 23 Apr - Thu, 30 Apr
American Airlines Logo
12:00 - 23:02
SYD
-
SJU
25h 02m
1 stop
American Airlines Logo
11:43 - 07:05
SJU
-
SYD
29h 22m
2 stops
$2,645American Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
09:10 - 21:24
SYD
-
SJU
26h 14m
2 stops
Multiple Airlines Logo
11:43 - 10:30
SJU
-
SYD
32h 47m
3 stops
$2,662Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
09:10 - 21:24
SYD
-
SJU
26h 14m
2 stops
Multiple Airlines Logo
11:43 - 10:30
SJU
-
SYD
32h 47m
3 stops
$2,663Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
American Airlines Logo
12:00 - 23:02
SYD
-
SJU
25h 02m
1 stop
American Airlines Logo
10:03 - 07:05
SJU
-
SYD
31h 02m
2 stops
$2,665American Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
17:50 - 14:52
SYD
-
SJU
35h 02m
3 stops
Multiple Airlines Logo
11:43 - 10:30
SJU
-
SYD
32h 47m
3 stops
$2,884Multiple Airlines
Fri, 17 Jul - Tue, 28 Jul
Multiple Airlines Logo
09:10 - 22:00
SYD
-
SJU
26h 50m
2 stops
Multiple Airlines Logo
11:54 - 09:45
SJU
-
SYD
31h 51m
3 stops
$3,366Multiple Airlines
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 $1,079 (return) on average. On the other hand, the most expensive months are January and December, when the average cost of round-trip tickets is $2,354 and $2,318 respectively.

Good to know

Low seasonFebruary
Cheapest flight$1,396
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 airlines 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
Qatar AirwaysOverall score based on 3742 reviews
7.3Food
7.9Crew
7.3Entertainment
7.4Comfort
7.5Boarding
Airline reviews

Very poor No information given to why we turned around.. No one at airport to help

2.0 MediocreAnonymous, Mar 2026
SYD - DOH
Read more Qatar Airways reviews

Very poor No information given to why we turned around.. No one at airport to help

Amazing airline accommodations. The cabins were so great. The food was very good and the flight attendants were so nice. Made a 15 hour flight seem easy.

Extremely uncomfortable seats with very little cushioning, unable to recline enough to sleep comfortably on this 13 hour overnight flight. My body was in pain by the end.

When we checked in at the Siem Reap Airport in Cambodia, we were only given three boarding passes and told that we would have to check in with American when we arrived in Boston. This was a source of stress for us. After we landed in Boston, we had a long passage from Terminal E to Terminal B (American Airline ticketing counter). Because the electronic ticketing kiosks for check-in would not recognize our Confirmation Code, we had to wait for an hour in a long line where only two AA reps were taking care of Special Services passengers. In many years of both business and recreational travel, I have never had this experience. I would expect more from AA being in partnership with other airlines to do a better job with this.

Qatar Airways is an excellent service provider. The crew members were attentive and helpful. The aircraft was very clean. This was the longest leg of our journey, so it would have been nice to have more leg room for comfort. We appreciated the crew's service of four hot meals to all of us during this long flight. Also, it was helpful that the crew asked us to keep the window shades down for the entire journey, allowing the environment to get lots of rest during the trip. For families traveling with little children, this was helpful to them to keep them settled.

In the business class it was everything wonderful. However in the economy is a hell. BTW. When I asked to search for tickets, I ordered business and I was offered options with economy, that was not clear in the order, so I could've acted faster to rectify it.

I always fly with Qatar air and you are the best. Keep up the good wor, after travelling with Qatar Air More than 80 times, you never offer to upgrade me.but it happened to my friend companion some time. Any how i still enjoying travelling with Qatar air and wait one day to upgrade me too. Best Regards

Friendly and discreet staff. Could have done with a few more offers of water/snacks overnight. Movie and tv selection notably poor. Seats not especially comfortable

The check-in and crew staff were wonderful. The food was reasonable. The online side Qatar was very poor. Seats were very tight and not very comfortable for a 14 hour flight!

Economy travel is really hard with no room to move especially when the person sitting beside you is an XL or XXL size person who if moving could hit your face

Poor. Crew allowed children to run around and scream and disturb passanger’s seats.

Given I (and I’m assuming most people) have both carry in and a personal item included in their fare, I find it very unfair that on neither of my flights I was able to use the overhead for my small backpack because they were completely rammed with luggage, people personal items, jackets, hats and other items. So the only item I brought in had to be stuffed under my seat while they had their leg room and sat comfortable with all of their items in the overhead. This has to stop because I was uncomfortable on both flights when I only had one smaller item that could not be checked due to its contents (medication etc). Plenty of people could have checked theirs but chose not to and then took up the space allotment for 2 people.

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.

Not being stranded in Chicago for her airport to 11:30 tomorrow morning the 3rd

Safe made to destination. Late to start at GVA for icy reasons but we fought our next fly.

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

An international flight on an apron is pretty unusual in my 40 years of traveling. Departure delay. Luggage despite over an hour connection did not make it to the flight. Actually still in Germany. My luggage was not moved until I reached my final destination despite knowing it to be left in Germany upon my arrival in Chicago. The service left me a little off, both going and returning from Europe. Light on in the cabin even during a night flight and lots of traffic no matter what. Maybe passengers want more service? As a frequent traveler i just want to be able to sleep, the food will be better at the destination anyway. So since the cabin crew woke me up I asked for a cocktail, I did not get the best response although sitting in row 20 premium economy. I usually fly premium economy or business and my 2 flight to Europe in 2025 with United both had luggage delays and other minor issues. American flights to Australia, Canada and Europe went smoothly and Premium plus feels very much like business light. Is United Club becoming a waste and Silver/Gold levels another waste??

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

Older aircraft, no meal, only food was for purchase. Not impressed United.

Excellent all round, first time flying United. App is very helpful.

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.