Cheap Flights from Sydney to San Juan
Prices are from searches made in the last 24 hours and current prices may differ.
Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to San Juan from Australia and flights to Puerto Rico. Maybe a different destination? Here are all the flights from Sydney
Cheapest Time of Year to Fly from Sydney to San Juan
Return fares from Sydney to San Juan by month, based on the cheapest return airfares found for each month.
The cheapest month to fly to San Juan is August 2026, with return fares from $1,346 — 50% cheaper than the most expensive month (September 2026, from $2,693).
When Should You Fly to San Juan?
Based on the fares we've tracked, August is typically the cheapest month to fly to San Juan, with return fares from $1,346. September is the most expensive month, with the cheapest return fares around $2,693.
Across the year, return fares to San Juan average around $2,225. If you can travel in the off-peak months of August, October and November, you'll generally pay up to 40% less than the yearly average.
Cheapest Sydney to San Juan Return Prices
These are the cheapest prices for Sydney to San Juan return airfares.
Average Sydney to San Juan Return Prices
These are the average prices for Sydney to San Juan return airfares.
Frequently Asked Questions about flying from Sydney to San Juan
When is the cheapest time to travel from Sydney to San Juan?The cheapest month to travel is typically August.
How much do return flights from Sydney to San Juan cost?The best price we found for a return flight from Sydney to San Juan is $1362.
What is the cheapest date to fly from Sydney to San Juan?Currently, the cheapest date for a return flight from Sydney to San Juan is 19 August 2026.
What is the cheapest airline that flys from Sydney to San Juan?Currently, the cheapest airline that flys from Sydney to San Juan is American Airlines.
How long does a direct flight from Sydney to San Juan take?We were not able to find any direct flights to San Juan.
What is the IATA airport code for San Juan?The IATA code for San Juan is SJU. It is located in Puerto Rico at coordinates 18.43646, -66.00506.
When should you book flights to San Juan?From our data, you should book flights to San Juan 60 days out.
How I Want That Flight can help you
What's the benefit of using I Want That Flight for my Sydney to San Juan flight?Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.
Can you sort me out with direct flights from Sydney to San Juan?100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.
How does I Want That Flight find me the best Sydney to San Juan flights?Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.
I'm still in the planning phase. Can you ping me if Sydney to San Juan fares drop?No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.
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