Cheap Flights from Newcastle (NTL) to Posadas (PSS)

Popular airlines from Newcastle, NSW (NTL-Williamtown) to Posadas (PSS-Libertador General Jose de San Martin)

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Frequently asked questions

How much does a flight from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS) cost?
Get a cheap one-way flight or cheap return flight from Williamtown Airport (NTL) 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 offers on this route.
What is the cheapest month to fly from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS)?
The cheapest month to fly from NTL to PSS is , when there's less demand. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS)?
To find the cheapest airline that'll fly you from NTL to PSS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS)?
There are no daily direct flights departing from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from NTL to PSS?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS)?
Choose a flight from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your plane ticket from NTL to PSS shortly before your getaway is generally more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a NTL to PSS flight and hotel package?
Compared with arranging hotels and flights separately, booking a NTL to PSS flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Williamtown Airport (NTL) to Libertador General Jose de San Martin Airport (PSS)?
If you booked your NTL 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 ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Williamtown
Destination airport
Libertador General Jose de San Martin
Distance
7894 mi

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Newcastle to Posadas Flights

The cheapest times to fly from Newcastle 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 Newcastle to Posadas are during the month of . You can find some of the cheapest flights from Newcastle to Posadas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newcastle to Posadas

Sunday is one of the best days to book for cheap flights from Newcastle 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 Newcastle 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 Newcastle 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 Newcastle 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 Newcastle 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.

 

Newcastle to Posadas Flights

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*Available to One Key members.