$1,047 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 5/12. 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

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Cheap Flights to Puerto Rico

Cheapest return prices found by our users on KAYAK in the last 72 hours
San Juan
San Juan2 stops$1,156
San Juan
San Juan2 stops$1,156

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, 5 Dec - Sun, 14 Dec
Air Canada Logo
11:20 - 14:50SYD-SJU
66h 30m2 stops
Air Canada Logo
14:45 - 09:35SJU-SYD
51h 50m2 stops
$1,156Air Canada
Find Deal
Fri, 5 Dec - Sun, 14 Dec
Air Canada Logo
11:20 - 14:50SYD-SJU
66h 30m2 stops
Air Canada Logo
14:45 - 09:35SJU-SYD
51h 50m3 stops
$1,166Air Canada
Find Deal
Fri, 5 Dec - Sat, 13 Dec
United Airlines Logo
14:00 - 14:40SYD-SJU
39h 40m2 stops
United Airlines Logo
02:05 - 07:00SJU-SYD
37h 55m2 stops
$1,280United Airlines
Find Deal
Fri, 10 Oct - Fri, 17 Oct
United Airlines Logo
10:30 - 12:34SYD-SJU
41h 04m2 stops
United Airlines Logo
16:55 - 07:55SJU-SYD
48h 00m2 stops
$1,652United Airlines
Find Deal
Fri, 5 Dec - Sun, 14 Dec
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$2,144United Airlines
Find Deal
Mon, 15 Dec - Thu, 15 Jan
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
17:50 - 06:20SJU-SYD
45h 30m2 stops
$2,849United Airlines
Find Deal
Fri, 5 Dec - Sat, 13 Dec
Air Canada Logo
11:20 - 14:50SYD-SJU
42h 30m2 stops
Air Canada Logo
02:05 - 09:35SJU-SYD
40h 30m3 stops
$3,541Air Canada
Find Deal
Fri, 5 Dec - Sat, 13 Dec
 Logo
11:20 - 11:35SYD-SJU
39h 15m3 stops
 Logo
02:05 - 09:35SJU-SYD
40h 30m3 stops
$4,680
Find Deal
Fri, 5 Dec - Sun, 14 Dec
 Logo
11:20 - 17:05SYD-SJU
44h 45m3 stops
 Logo
08:10 - 09:35SJU-SYD
34h 25m3 stops
$6,861
Find Deal
Mon, 15 Dec - Thu, 15 Jan
United Airlines Logo
11:50 - 21:26SYD-SJU
24h 36m1 stop
United Airlines Logo
07:45 - 07:00SJU-SYD
32h 15m1 stop
$8,299United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for flights to Puerto Rico

Get data-powered insights and trends for 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 March, when tickets cost $1,703 (return) on average. On the other hand, the most expensive months are December and September, when the average cost of round-trip tickets is $3,179 and $2,915 respectively.

Good to know

Low seasonJune
Cheapest flight$1,047
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (21% 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.

  • What is the cheapest day to fly to Puerto Rico?

    Based on KAYAK data, the cheapest day to fly to Puerto Rico is Monday when return tickets can be as cheap as $2,406. On the other hand, the most expensive day to fly is Friday, when return prices are $3,394 on average.

  • What is the cheapest time of day to fly to Puerto Rico?

    The cheapest time of day to fly to Puerto Rico is generally in the morning, when retur flights cost $1,538 on average. Morning departures are around 35% cheaper than evening flights, on average. The most expensive time of day to fly to Puerto Rico is generally in the evening, which is peak travel time and where the average cost of a ticket is $2,381.

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 3 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 3611 reviews
7.4Comfort
7.5Boarding
7.9Crew
7.4Entertainment
7.3Food
Airline reviews

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

6.0 GoodAnonymous, Aug 2025DOH - COK
Read more Qatar Airways reviews

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

It was ok, not much more can be said, as long as airlines/aircraft manufacturers insist on cramming in as many seats as possible....best of a bad situations, seats are simply too uncomfortable to sit in for more than a few hours. Lack of flexible headrests not a help on long overnight flights either.

The American/Hollywood movies in the entertainment system lack english subtitles, they tend to have only arabic subtitles. Coupled with the low quality airplane earphones and cabin noise, it sometimes is difficult to follow the movie dialogues.

Seats very small and unable to pre purchase internet or seat upgrades

I recently travelled in Business Class with Qatar Airways, and overall, it was a pleasant experience. The cabin crew stood out for their kindness and professionalism, making the journey truly comfortable. The food exceeded expectations and was exceptional in both quality and presentation. The boarding staff was courteous, though I would like to mention that the staff member responsible for checking tickets during boarding could benefit from additional training to be more welcoming. A warm and hospitable approach would enhance the passenger experience significantly. However, one aspect of the journey was particularly frustrating. The in-flight entertainment system was disappointing, as the headphones provided did not work at all due to a loose connection. This significantly impacted the experience, especially since the flight also lacked Wi-Fi service. Addressing these issues would greatly enhance the overall travel experience. Lastly, I would suggest implementing a section-wise boarding process to streamline the boarding experience and minimise potential challenges. I appreciate the efforts Qatar Airways puts into delivering high-quality service and hope to see these improvements implemented in the future.

The food is not good and also if you ask crew to bring something they say ok I will bring but you will never get it. Please they should listen good to passengers

Qatar Airways in-flight first/business class service is superior to any US airline; excellent meals are served on short haul flights such as between DXB and DOH.

Boston to Doha was great but Doha to Dhaka was the worst experience.

The rows of seats in economy class are seriously close to one another making eating and resting just about impossible - there is hardly any legroom. Anyone larger than average size would have an incredibly uncomfortable flight. I had to basically share my seat with the lady passenger next to me as she was too big to fit into her allotted seat.

Do I need to repeat my complaints about my lost carry on bag?

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

I found the staff to not be very attentive at all. When paying for Business Class you expect a certain type of service and that was not found. They were almost rude even

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

Smooth flight, especially take off and landing, and great crew on board. Really loved the stroopwaffles!

I was charged for my daughters bag when I am supposed to receive two free checked bags with my United Explorer card.

The personnel were professional and friendly. The Boeing 737 Max 9 is too claustrophobic and was very warm at both airport gates, and still warm in the air.

I needed to make changes to my flights. When I called customer service, they assisted me with care professionalism.

Food and flight attendents with positive dispositions and friendly behavior, more professional attitudes

Delayed flight that lead to a missed connection and a 5-hour trip became a 12-hour flight 🙄

The plane was broken so we had to change planes.

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Mechanical delay and no compensation. Missed connection as a result of their delay. Mediocre performance and service. Horrible airline currently with horrible culture.

Several delays. Next flight was worse. Did not arrive home until 2am PT

We missed our flight. The boarding pass had the wrong gate and by the time we received the text from Kayak, our flight was already gone. I’ll never use Kayak again and will go direct to the airlines in the future.

Uncomfortable seats and flight attendant was rude as she insisted on waking up my husband to ask him if he wanted a drink. When he said that he was sleeping, she replied “without an attitude “. He was seated at 8c

Very friendly and efficient and smooth boarding. We were even way early arriving at my destination. Thank you.

Flight was delayed taking off over 2 hours. Original plane was taken out of service and replaced. They didn’t tell us they were replacing plane until after original takeoff time had past. No power on new plane to charge devices. When eventually landing at destination no gate was available waited 1 hour for new gate. No Americans finest hour.

The flight was quick and to the point. The crew just did their job w/o excessive talking and everything was just perfect.

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.

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