Cheap Flights from Sydney to San Juan

Compare Sydney to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Sydney to San Juan

Looking for a cheap last-minute deal or the best return flight from Sydney to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to San Juan flights are currently cheapest in January.

Alternative Sydney to San Juan routes

Looking for the cheapest, fastest or easiest route from Sydney to San Juan? You could fly into the following airports instead.

Sydney to San Juan: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 3,016
Cheapest month to flyJanuary

Finding cheap flights from Sydney to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Sydney to San Juan is ر.ق.‏ 4,253. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to San Juan. But we found flights with one or more stops from ر.ق.‏ 4,254.
As of September 2025, there are no flights flying from Sydney to San Juan.
The cheapest month to fly from Sydney to San Juan is usually October.
If you're flying from Sydney Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from ر.ق.‏ 4,253.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to San Juan on Tuesday, 28 October 2025.
No airlines currently offer direct flights between Sydney Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, United offers the cheapest flight tickets to San Juan.

Flying from Sydney (Kingsford Smith) Airport (SYD) to San Juan: what you need to know

  • San Juan is 15 hours behind Sydney, where Sydney (Kingsford Smith) Airport is located. San Juan observes the UTC-4 timezone.

  • For a relaxed start to your SYD to San Juan flight, leave enough time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • Delays at security and check-in are likely if you're heading away during high season, so allow a bit more breathing room. A good rule of thumb for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • Finding a flight ticket from SYD to San Juan with a stopover is easy. Whether you want to cut down on travel expenses or add a new city to your itinerary, just uncheck 'Direct flights only' to browse your options. A major stop is Dallas/Fort Worth International Airport (DFW).

  • SYD is around 8 kilometres from central Sydney. If you're catching a cab, driving or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 25 minutes.

  • Want an easy start to your trip? Stay near SYD. Whether you're boarding an early flight from Sydney (Kingsford Smith) Airport to San Juan or just don't want to be rushed, these hotels are worth a look:

  • When it comes to the on-time performance of Sydney (Kingsford Smith) Airport, data shows 69.62% of flights arrive within the expected time frame.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to San Juan

  • ر.ق.‏ 3,016 is the cheapest price we've seen for a one-way Sydney (Kingsford Smith) Airport to San Juan flight. A return ticket right now is ر.ق.‏ 4,253. Depending on when and how early you book, these fares can change.

  • Booking in advance is often the key to locking in a cheap flight from SYD to San Juan. Flight prices rise as demand increases, so the nearer you get to departure, the more you'll likely spend on your ticket.

  • The 'Whole month' search tool will show you the cheapest tickets from Sydney (Kingsford Smith) Airport to San Juan across every month. It's a good way to find a bargain if your plans aren't set in stone.

  • Never miss a deal on cheap flights from SYD to San Juan by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Find an affordable flight from Sydney (Kingsford Smith) Airport to San Juan with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes around 10 minutes by car. The centre is roughly 8 kilometres away.

  • If you're travelling on public transport, expect a journey time of about 55 minutes.

  • Think about booking a hotel near SJU if you have a late flight from Sydney (Kingsford Smith) Airport to San Juan. Pick one of these accommodation options and make arrival day easier:

  • Get on the fast track to adventure by picking up a Luis Munoz Marin International Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's main sights.

  • Get the best deal by booking your ride from Luis Munoz Marin International Airport around two weeks ahead of your flight from SYD to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is located around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from Sydney (Kingsford Smith) Airport to San Juan has hit the runway and you've made your way through the terminal, expect a drive of around 15 minutes.

  • You can expect the trip to take roughly 1 hour on public transport.

  • Following your SYD to San Juan flight, kick back at a hotel near SIG. These are some great accommodation options that'll help you sink into relaxation mode:

Best time to go to San Juan

  • Before securing your flights from Sydney (Kingsford Smith) Airport to San Juan, consider which time of year is best for you. High season in San Juan offers a bustling atmosphere and plenty of things to do, while the off-season brings better deals on hotels and fewer crowds.

  • When booking your Sydney (Kingsford Smith) Airport to San Juan flight ticket, think about what kind of weather works for you. September is the warmest month in San Juan, with temperatures ranging from 23ºC to 33ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from SYD to San Juan in February when temperatures average between 20ºC and 28ºC.

More about San Juan

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in San Juan right here. Browse these hotels as soon as you've booked your flight from Sydney (Kingsford Smith) Airport to San Juan:

  • There are so many things to explore in this city it can be difficult to know where to start. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are leading attractions which should feature on any good San Juan itinerary.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be explored after you've experienced San Juan. Around 113 kilometres away to the west, its best attractions include El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Around 105 kilometres west of San Juan, Isabela is another favourite stop in Puerto Rico. Experience the best of this destination with a visit to Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.