$61 Cheap Flights from Buenos Aires (EZE) to Posadas (PSS)

View $61 flight on Tue, Sep 2, 2025Opens in a new window

Popular airlines from Ministro Pistarini Intl. Airport (EZE) to Posadas (PSS-Libertador General Jose de San Martin)

Cheap Flights from Buenos Aires to Posadas (EZE-PSS)

Prices were available within the past 7 days and start at $61 for one-way flights and $124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Tue, Sep 2 - Tue, Sep 16
EZE
Buenos Aires
PSS
Posadas
$124 Roundtrip, found 2 days ago
$124
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Tue, Sep 2 from Buenos Aires to Posadas, returning Tue, Sep 16, priced at $124 found 2 days ago
Aerolineas Argentinas
Tue, Sep 2 - Tue, Sep 16
EZE
Buenos Aires
PSS
Posadas
$144 Roundtrip, found 6 days ago
$144
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Tue, Sep 2 from Buenos Aires to Posadas, returning Tue, Sep 16, priced at $144 found 6 days ago
Aerolineas Argentinas
Fri, Sep 12 - Tue, Sep 16
EZE
Buenos Aires
PSS
Posadas
$155 Roundtrip, found 21 hours ago
$155
Roundtrip
found 21 hours ago
Select Aerolineas Argentinas flight, departing Fri, Sep 12 from Buenos Aires to Posadas, returning Tue, Sep 16, priced at $155 found 21 hours ago
Aerolineas Argentinas
Thu, Jan 1 - Thu, Jan 15
EZE
Buenos Aires
PSS
Posadas
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Thu, Jan 1 from Buenos Aires to Posadas, returning Thu, Jan 15, priced at $160 found 1 day ago
Aerolineas Argentinas
Mon, Sep 15 - Tue, Sep 30
EZE
Buenos Aires
PSS
Posadas
$168 Roundtrip, found 2 days ago
$168
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Mon, Sep 15 from Buenos Aires to Posadas, returning Tue, Sep 30, priced at $168 found 2 days ago
Aerolineas Argentinas
Fri, Sep 12 - Tue, Sep 23
EZE
Buenos Aires
PSS
Posadas
$176 Roundtrip, found 2 days ago
$176
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Sep 12 from Buenos Aires to Posadas, returning Tue, Sep 23, priced at $176 found 2 days ago
Aerolineas Argentinas
Thu, Jan 1 - Tue, Jan 13
EZE
Buenos Aires
PSS
Posadas
$179 Roundtrip, found 10 hours ago
$179
Roundtrip
found 10 hours ago
Select Aerolineas Argentinas flight, departing Thu, Jan 1 from Buenos Aires to Posadas, returning Tue, Jan 13, priced at $179 found 10 hours ago
Aerolineas Argentinas
Tue, Sep 2 - Mon, Sep 15
EZE
Buenos Aires
PSS
Posadas
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Tue, Sep 2 from Buenos Aires to Posadas, returning Mon, Sep 15, priced at $191 found 6 days ago
Aerolineas Argentinas
Tue, Sep 30 - Tue, Oct 14
EZE
Buenos Aires
PSS
Posadas
$194 Roundtrip, found 6 days ago
$194
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Tue, Sep 30 from Buenos Aires to Posadas, returning Tue, Oct 14, priced at $194 found 6 days ago
Aerolineas Argentinas
Tue, Sep 2 - Thu, Sep 18
EZE
Buenos Aires
PSS
Posadas
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Tue, Sep 2 from Buenos Aires to Posadas, returning Thu, Sep 18, priced at $198 found 2 days ago

Alternative airports near Posadas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Libertador General Jose de San Martin PSS. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $262
PSS
Libertador General Jose de San Martin
CheapestClosest
Average driving time to city center12 min
Flights from $262
Flights from Buenos Aires (EZE) to Posadas (PSS)
Origin airport
Ministro Pistarini Intl.
Destination airport
Libertador General Jose de San Martin
Airlines serving
Aerolineas Argentinas
Roundtrip price
$123
Distance
534 mi

Buenos Aires to Posadas Flights

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

 

The best time to book a flight from Buenos Aires to Posadas

Sunday is one of the best days to book for cheap flights from Buenos Aires 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 Buenos Aires 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 Buenos Aires to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from $61 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 Buenos Aires 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 Buenos Aires 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 Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS) cost?
Lock in a cheap one-way flight from $61 or cheap return flight from $124 from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS)?
September is the cheapest month to fly from EZE to PSS. Avoiding peak travel times is often the key to finding better deals on flights.
Which airlines fly direct from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS)?
You can't catch a nonstop flight from Buenos Aires (EZE-Ministro Pistarini Intl.) to Libertador General Jose de San Martin Airport (PSS). However, you can seamlessly travel to Posadas without any layovers by departing from Aeroparque Jorge Newbery Airport (AEP).
What is the cheapest airline that flies from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS)?
To find the cheapest airline flying from EZE to PSS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS)?
There aren't any daily nonstop flights from Ministro Pistarini Intl. Airport (EZE) 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 soaring above the clouds in no time at all.
What day of the week has the most flights from EZE to PSS?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS)?
To touch down at Libertador General Jose de San Martin Airport (PSS) on time, opt for a flight that leaves from Ministro Pistarini Intl. Airport (EZE) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Waiting until right before your break to book a ticket from EZE to PSS generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book an EZE to PSS flight and hotel package?
Compared with arranging hotels and flights separately, booking an EZE to PSS flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Ministro Pistarini Intl. Airport (EZE) to Libertador General Jose de San Martin Airport (PSS)?
In most instances, you can modify or cancel your EZE to PSS flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.