$232 Cheap Flights from Posadas (PSS) to Asuncion (ASU)

View $232 flight on Thu, Dec 11, 2025Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Posadas to Asuncion (PSS-ASU)

Prices were available within the past 7 days and start at $232 for one-way flights and $574 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$574 Roundtrip, found 2 days ago
$574
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $574 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$621 Roundtrip, found 2 days ago
$621
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $621 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$653 Roundtrip, found 2 days ago
$653
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $653 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$672 Roundtrip, found 2 days ago
$672
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $672 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$728 Roundtrip, found 2 days ago
$728
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $728 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$769 Roundtrip, found 2 days ago
$769
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $769 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$801 Roundtrip, found 2 days ago
$801
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $801 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$815 Roundtrip, found 2 days ago
$815
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $815 found 2 days ago
Aerolineas Argentinas
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$846 Roundtrip, found 2 days ago
$846
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $846 found 2 days ago
GOL Linhas Aereas S.A.
Fri, Nov 28 - Fri, Dec 5
PSS
Posadas
ASU
Asuncion
$1,036 Roundtrip, found 2 days ago
$1,036
Roundtrip
found 2 days ago
Select GOL Linhas Aereas S.A. flight, departing Fri, Nov 28 from Posadas to Asuncion, returning Fri, Dec 5, priced at $1,036 found 2 days ago

Frequently asked questions

How much does a flight from Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU) cost?
Snag a cheap one-way flight from $232 or cheap return flight from $574 from Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU) 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 Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU)?
The cheapest month to fly from PSS to ASU is November, when demand is low. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PSS to ASU flight.
How many flights per day from Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU)?
Nonstop flights from Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSS to ASU?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, 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 Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU)?
To arrive at Silvio Pettirossi Intl. Airport (ASU) on schedule, book a flight that leaves from Libertador General Jose de San Martin Airport (PSS) 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 Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Booking your plane ticket from PSS to ASU shortly before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a PSS to ASU flight and hotel package?
You'll generally save money by booking a PSS to ASU 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 place. Once you've selected your ideal flights and accommodations, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from Libertador General Jose de San Martin Airport (PSS) to Silvio Pettirossi Intl. Airport (ASU)?
In most instances, you can cancel or modify your PSS to ASU flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Libertador General Jose de San Martin
Destination airport
Silvio Pettirossi Intl.
Roundtrip price
$573
Distance
176 mi

Book with confidence

Posadas to Asuncion Flights

The cheapest times to fly from Posadas to Asuncion

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

 

The best time to book a flight from Posadas to Asuncion

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

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 Asuncion in 2025. You can also book with separate airlines for your outbound and return journeys, from $232 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 Asuncion 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 Asuncion 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.

 

Posadas to Asuncion Flights

Explore a world of travel with Expedia

*Available to One Key members.