$212 Cheap Flights from Posadas (PSS) to Buenos Aires (EZE)

View $212 flight on Sun, Dec 28, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $212 for one-way flights and $424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Tue, Jan 6 - Sat, Jan 10
PSS
Posadas
EZE
Buenos Aires
$424 Roundtrip, found 13 hours ago
$424
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Tue, Jan 6 from Posadas to Buenos Aires, returning Sat, Jan 10, priced at $424 found 13 hours ago
Aerolineas Argentinas
Mon, Dec 22 - Thu, Dec 25
PSS
Posadas
EZE
Buenos Aires
$456 Roundtrip, found 6 days ago
$456
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Mon, Dec 22 from Posadas to Buenos Aires, returning Thu, Dec 25, priced at $456 found 6 days ago
Aerolineas Argentinas
Mon, Dec 15 - Wed, Dec 24
PSS
Posadas
EZE
Buenos Aires
$470 Roundtrip, just found
$470
Roundtrip
just found
Select Aerolineas Argentinas flight, departing Mon, Dec 15 from Posadas to Buenos Aires, returning Wed, Dec 24, priced at $470 just found
Aerolineas Argentinas
Thu, Dec 25 - Sun, Dec 28
PSS
Posadas
EZE
Buenos Aires
$502 Roundtrip, found 1 day ago
$502
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Thu, Dec 25 from Posadas to Buenos Aires, returning Sun, Dec 28, priced at $502 found 1 day ago
Aerolineas Argentinas
Sun, Dec 14 - Wed, Dec 24
PSS
Posadas
EZE
Buenos Aires
$516 Roundtrip, just found
$516
Roundtrip
just found
Select Aerolineas Argentinas flight, departing Sun, Dec 14 from Posadas to Buenos Aires, returning Wed, Dec 24, priced at $516 just found
Aerolineas Argentinas
Fri, Dec 12 - Mon, Dec 15
PSS
Posadas
EZE
Buenos Aires
$532 Roundtrip, found 3 days ago
$532
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 12 from Posadas to Buenos Aires, returning Mon, Dec 15, priced at $532 found 3 days ago
Aerolineas Argentinas
Sun, Dec 14 - Sun, Dec 21
PSS
Posadas
EZE
Buenos Aires
$547 Roundtrip, found 1 day ago
$547
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Sun, Dec 14 from Posadas to Buenos Aires, returning Sun, Dec 21, priced at $547 found 1 day ago
Aerolineas Argentinas
Fri, Dec 12 - Mon, Dec 15
PSS
Posadas
EZE
Buenos Aires
$562 Roundtrip, found 3 days ago
$562
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 12 from Posadas to Buenos Aires, returning Mon, Dec 15, priced at $562 found 3 days ago
Aerolineas Argentinas
Sun, Dec 14 - Sun, Dec 21
PSS
Posadas
EZE
Buenos Aires
$578 Roundtrip, found 3 days ago
$578
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Sun, Dec 14 from Posadas to Buenos Aires, returning Sun, Dec 21, priced at $578 found 3 days ago
Aerolineas Argentinas
Mon, Dec 15 - Thu, Dec 18
PSS
Posadas
EZE
Buenos Aires
$627 Roundtrip, found 3 days ago
$627
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Mon, Dec 15 from Posadas to Buenos Aires, returning Thu, Dec 18, priced at $627 found 3 days ago
Aerolineas Argentinas
Sun, Dec 14 - Thu, Dec 18
PSS
Posadas
EZE
Buenos Aires
$673 Roundtrip, found 3 days ago
$673
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Sun, Dec 14 from Posadas to Buenos Aires, returning Thu, Dec 18, priced at $673 found 3 days ago
Aerolineas Argentinas
Mon, Dec 22 - Tue, Dec 30
PSS
Posadas
EZE
Buenos Aires
$852 Roundtrip, found 2 days ago
$852
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Mon, Dec 22 from Posadas to Buenos Aires, returning Tue, Dec 30, priced at $852 found 2 days ago
Aerolineas Argentinas
Mon, Dec 15 - Wed, Dec 17
PSS
Posadas
EZE
Buenos Aires
$856 Roundtrip, found 3 days ago
$856
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Mon, Dec 15 from Posadas to Buenos Aires, returning Wed, Dec 17, priced at $856 found 3 days ago
Aerolineas Argentinas
Sun, Dec 14 - Tue, Dec 30
PSS
Posadas
EZE
Buenos Aires
$898 Roundtrip, found 3 days ago
$898
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Sun, Dec 14 from Posadas to Buenos Aires, returning Tue, Dec 30, priced at $898 found 3 days ago

Alternative airports near Buenos Aires

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

Select flight to Aeroparque Jorge Newbery AEP. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $424
AEP
Aeroparque Jorge Newbery
CheapestClosest
Average driving time to city center11 min
Flights from $424
Flights from Posadas (PSS) to Buenos Aires (EZE)
Origin airport
Libertador General Jose de San Martin
Destination airport
Ministro Pistarini Intl.
Airlines serving
Aerolineas Argentinas
Roundtrip price
$423
Distance
534 mi
Average flight time
1 hour 40 mins

Posadas to Buenos Aires Flights

The cheapest times to fly from Posadas to Buenos Aires

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

 

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

Sunday is one of the best days to book for cheap flights from Posadas to Buenos Aires: 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 Posadas to Buenos Aires

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 Posadas to Buenos Aires in 2026. You can also book with separate airlines for your outbound and return journeys, from $212 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 Posadas to Buenos Aires 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 Posadas to Buenos Aires 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 Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE) cost?
Get a cheap one-way flight from $212 or cheap return flight from $424 from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE) 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 Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
The cheapest month to fly from PSS to EZE is January, when demand is low. Off-peak months are typically when you'll find lower airfares between these airports.
Which airlines fly direct from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
When setting off from Libertador General Jose de San Martin Airport (PSS), you can hop on a direct flight to Ministro Pistarini Intl. Airport (EZE) with Aerolineas Argentinas.
What is the cheapest airline that flies from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
The cheapest airline to offer flights between Libertador General Jose de San Martin Airport (PSS) and Ministro Pistarini Intl. Airport (EZE) will vary based on when you plan to fly. Flybondi and Aerolineas Argentinas are just some well-known options offering well-priced fares. Use Expedia's search tool to compare airlines in one place and find the right PSS to EZE flight that fits your budget.
How many flights per day from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
On average, there are 3 nonstop flights taking off from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE) every week. If you can't see one that suits your schedule, think about booking a flight with a layover. Filter your search results on Expedia to include one or two stops and select the best alternative.
What are the most popular departure times for flights from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
Flights between PSS and EZE are their busiest at 9 PM. If you want a more relaxed trip and possibly cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from PSS to EZE?
Jet off on a Tuesday if you're searching for the largest selection of flights from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE).
What is the earliest flight from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
Catch the earliest flight at around 6:55PM UTC-3, heading out of Libertador General Jose de San Martin Airport (PSS). You'll be flying for around 1h 30m, arriving at Ministro Pistarini Intl. Airport (EZE) at approximately 8:25PM UTC-3.
How long does it take to fly from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
Flights from PSS to EZE have an average travel time of 1 hour and 36 minutes. The distance between these two airports is 540 mi.
What is the best time to fly from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
To avoid potential delays on the Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE) route, fly before 3 PM. Later departures are 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.
What airports do you fly into for Buenos Aires from Libertador General Jose de San Martin Airport (PSS)?
If you're leaving on a direct flight from Libertador General Jose de San Martin Airport (PSS) to Buenos Aires, you'll touch down at either Aeroparque Jorge Newbery Airport (AEP) or Ministro Pistarini Intl. Airport (EZE).
Is it cheaper to buy a plane ticket from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE) last-minute?
Booking your flight from PSS to EZE right before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a PSS to EZE flight and hotel package?
You can save money by booking a PSS to EZE flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Libertador General Jose de San Martin Airport (PSS) to Ministro Pistarini Intl. Airport (EZE)?
In most instances, you can cancel or reschedule your PSS to EZE flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.