Cheap Flights from Sydney (SYD) to Posadas (PSS)

Popular airlines from Sydney Airport (SYD) to Posadas (PSS-Libertador General Jose de San Martin)

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Flights from Sydney (SYD) to Posadas (PSS)
Origin airport
Kingsford Smith Intl.
Destination airport
Libertador General Jose de San Martin
Distance
7841 mi

Sydney to Posadas Flights

The cheapest times to fly from Sydney to Posadas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Posadas are during the month of . You can find some of the cheapest flights from Sydney to Posadas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Posadas

Sunday is one of the best days to book for cheap flights from Sydney to Posadas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sydney to Posadas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Posadas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Posadas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS) cost?
Get a cheap one-way flight or cheap return flight from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS)?
is the most affordable month to fly from SYD to PSS. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SYD to PSS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS)?
There are no daily nonstop flights departing from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SYD to PSS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS)?
To arrive at Libertador General Jose de San Martin Airport (PSS) without delays, pick a flight that leaves from Kingsford Smith Intl. Airport (SYD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Last-minute bookings from SYD to PSS are usually more expensive. For the lowest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a SYD to PSS flight and hotel package?
Opting for a SYD to PSS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Libertador General Jose de San Martin Airport (PSS)?
If you reserved your SYD to PSS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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