C$2,120 Cheap Flights from Perth (PER) to San Juan (SJUA)

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Flight deals from Perth to San Juan

Looking for a cheap last-minute deal or the best return flight from Perth Airport to San Juan? If you want to travel next month, return fares start from C$2,620. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Perth to San Juan

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

Perth to San Juan: Flight information

The things to know before you go.
Cheapest flight foundC$2,120
Cheapest month to flyFebruary

Finding cheap flights from Perth 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 Perth to San Juan is C$2,326. 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 Perth to San Juan. But we found flights with one or more stops from C$2,326.
As of July 2026, there are no flights flying from Perth to San Juan.
The cheapest month to fly from Perth to San Juan is usually September.
If you're flying from Perth 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 C$2,326.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to San Juan on Tuesday, September 1, 2026.
No airlines currently offer direct flights between Perth 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 July, the average temperature is usually around 27°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, Jetstar offers the cheapest flight tickets to San Juan.

Flying from Perth Airport (PER) to San Juan: what you need to know

  • The timezone in San Juan is UTC-4. The city is 12 hours behind Perth, where Perth Airport is located.

  • To ensure you get on your flight from PER to San Juan, allow plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • Travelling during a peak month like July? Public holidays and other popular periods can lead to longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • To travel to Puerto Rico for tourism purposes, you'll need an ETA if you hold a passport from Australia. However, visa rules are subject to change and other documentation may be needed depending on the purpose and length of your trip. Always check the most recent guidelines before booking your cheap ticket from Perth Airport to San Juan.

  • Located around 16 kilometres from the centre of Perth, PER can be reached in approximately 21 minutes by car (depending on traffic). The same journey on public transport will take roughly 28 minutes.

  • Catching an early flight from Perth Airport to San Juan? Avoid rushing to the airport (and get some extra shut-eye) by choosing one of these hotels near PER:

How to find the cheapest flights from Perth Airport (PER) to San Juan

  • C$2,120 is the cheapest price we've found for a one-way ticket from Perth Airport to San Juan. For a return flight on this route, the best price is C$2,326. Depending on the availability and when you book, these fares can change.

  • To score cheap tickets from PER to San Juan, book early. Airlines typically offer the most competitive fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest tickets from Perth Airport to San Juan throughout the entire month. It's a great way to find a bargain if your travel dates aren't set in stone.

  • Sign into your online account or use the app to set up a Price Alert. You'll get notified right away if there's a cheaper deal on this route. It's easy to do, and it'll save you from looking for cheap tickets from PER to San Juan every day.

  • Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Perth Airport to San Juan.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

Fernando Luis Ribas Dominicci Airport (SIG)

Best time to go to San Juan

  • July is the most popular month for flights from Perth Airport to San Juan. To avoid the crowds, plan your trip to San Juan in May when things are quieter.

  • Lock in your flight from Perth Airport to San Juan for September to experience the city during its warmest month. You can expect temperatures to range from 23ºC to 33ºC.

  • For cooler conditions, search for a cheap flight from PER 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 top stays in San Juan right here. Check out these hotels after you've booked your flight from Perth Airport to San Juan:

  • Castillo San Felipe del Morro and La Garita del morro de san juan bahia are just the start of the popular attractions to put on your San Juan travel itinerary. Keep the momentum going by heading to Fortaleza Street.

Complete your San Juan trip with a car rental

  • Finding you a cheap flight from Perth Airport to San Juan isn't our only party trick. Check out our car rentals in San Juan and explore on your own terms. We find deals from trusted car rental companies and put them all in one place. Instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.