$231 Cheap Flights from Asuncion (ASU) to Posadas (PSS)

View $231 flight on Sat, Sep 27, 2025Opens in a new window

Popular airlines from Asuncion (ASU-Silvio Pettirossi Intl.) to Posadas (PSS-Libertador General Jose de San Martin)

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Cheap Flights from Asuncion to Posadas (ASU-PSS)

Prices were available within the past 7 days and start at $231 for one-way flights and $433 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$433 Roundtrip, found 12 hours ago
$433
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $433 found 12 hours ago
Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$439 Roundtrip, found 12 hours ago
$439
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $439 found 12 hours ago
Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$468 Roundtrip, found 12 hours ago
$468
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $468 found 12 hours ago
Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$532 Roundtrip, found 12 hours ago
$532
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $532 found 12 hours ago
Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$547 Roundtrip, found 12 hours ago
$547
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $547 found 12 hours ago
Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$561 Roundtrip, found 12 hours ago
$561
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $561 found 12 hours ago
Aerolineas Argentinas
Wed, Aug 27 - Wed, Sep 3
ASU
Asuncion
PSS
Posadas
$588 Roundtrip, found 1 day ago
$588
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Wed, Aug 27 from Asuncion to Posadas, returning Wed, Sep 3, priced at $588 found 1 day ago
GOL Linhas Aereas S.A.
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$662 Roundtrip, found 12 hours ago
$662
Roundtrip
found 12 hours ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $662 found 12 hours ago
Aerolineas Argentinas
Mon, Sep 1 - Mon, Sep 8
ASU
Asuncion
PSS
Posadas
$663 Roundtrip, found 1 day ago
$663
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Mon, Sep 1 from Asuncion to Posadas, returning Mon, Sep 8, priced at $663 found 1 day ago
Aerolineas Argentinas
Sat, Sep 27 - Fri, Oct 3
ASU
Asuncion
PSS
Posadas
$665 Roundtrip, found 12 hours ago
$665
Roundtrip
found 12 hours ago
Select Aerolineas Argentinas flight, departing Sat, Sep 27 from Asuncion to Posadas, returning Fri, Oct 3, priced at $665 found 12 hours ago
Flights from Asuncion (ASU) to Posadas (PSS)
Origin airport
Silvio Pettirossi Intl.
Destination airport
Libertador General Jose de San Martin
Airlines serving
Aerolineas Argentinas, GOL Linhas Aereas S.A.
Roundtrip price
$433
Distance
176 mi

Asuncion to Posadas Flights

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

 

The best time to book a flight from Asuncion to Posadas

Sunday is one of the best days to book for cheap flights from Asuncion 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 Asuncion 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 Asuncion to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from $231 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 Asuncion 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 Asuncion 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 Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS) cost?
Get a cheap one-way flight from $231 or cheap return flight from $433 from Silvio Pettirossi Intl. Airport (ASU) 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 Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS)?
The cheapest month to fly from ASU to PSS is September, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS)?
To find the cheapest airline flying from ASU to PSS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS)?
Nonstop flights from Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ASU to PSS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier 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 Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS)?
To reach Libertador General Jose de San Martin Airport (PSS) on time, book a flight that takes off from Silvio Pettirossi Intl. Airport (ASU) 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 Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Last-minute bookings from ASU to PSS are typically more expensive. To lock in the best rates, start looking for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book an ASU to PSS flight and hotel package?
Opting for an ASU to PSS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of hotels and then add car rentals, activities 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 Silvio Pettirossi Intl. Airport (ASU) to Libertador General Jose de San Martin Airport (PSS)?
Typically, it's possible to cancel or reschedule your ASU to PSS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.