$159 Cheap Flights from São Paulo (GRU) to Posadas (PSS)

View $159 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from São Paulo/Guarulhos Intl. Airport to Posadas (PSS-Libertador General Jose de San Martin)

Cheap Flights from São Paulo to Posadas (GRU-PSS)

Prices were available within the past 7 days and start at $159 for one-way flights and $528 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Thu, Nov 6 - Fri, Nov 14
GRU
Sao Paulo
PSS
Posadas
$528 Roundtrip, found 23 hours ago
$528
Roundtrip
found 23 hours ago
Select Aerolineas Argentinas flight, departing Thu, Nov 6 from Sao Paulo to Posadas, returning Fri, Nov 14, priced at $528 found 23 hours ago
Aerolineas Argentinas
Thu, Nov 6 - Fri, Nov 14
GRU
Sao Paulo
PSS
Posadas
$534 Roundtrip, found 23 hours ago
$534
Roundtrip
found 23 hours ago
Select Aerolineas Argentinas flight, departing Thu, Nov 6 from Sao Paulo to Posadas, returning Fri, Nov 14, priced at $534 found 23 hours ago
Aerolineas Argentinas
Thu, Nov 6 - Fri, Nov 14
GRU
Sao Paulo
PSS
Posadas
$573 Roundtrip, found 23 hours ago
$573
Roundtrip
found 23 hours ago
Select Aerolineas Argentinas flight, departing Thu, Nov 6 from Sao Paulo to Posadas, returning Fri, Nov 14, priced at $573 found 23 hours ago
Aerolineas Argentinas
Fri, Dec 19 - Sun, Jan 11
GRU
Sao Paulo
PSS
Posadas
$596 Roundtrip, found 3 days ago
$596
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 19 from Sao Paulo to Posadas, returning Sun, Jan 11, priced at $596 found 3 days ago
Aerolineas Argentinas
Thu, Nov 6 - Fri, Nov 14
GRU
Sao Paulo
PSS
Posadas
$605 Roundtrip, found 23 hours ago
$605
Roundtrip
found 23 hours ago
Select Aerolineas Argentinas flight, departing Thu, Nov 6 from Sao Paulo to Posadas, returning Fri, Nov 14, priced at $605 found 23 hours ago
Aerolineas Argentinas
Fri, Dec 19 - Sun, Jan 11
GRU
Sao Paulo
PSS
Posadas
$619 Roundtrip, found 3 days ago
$619
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 19 from Sao Paulo to Posadas, returning Sun, Jan 11, priced at $619 found 3 days ago
Aerolineas Argentinas
Fri, Dec 19 - Sun, Jan 11
GRU
Sao Paulo
PSS
Posadas
$631 Roundtrip, found 3 days ago
$631
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 19 from Sao Paulo to Posadas, returning Sun, Jan 11, priced at $631 found 3 days ago
Aerolineas Argentinas
Thu, Nov 6 - Fri, Nov 14
GRU
Sao Paulo
PSS
Posadas
$638 Roundtrip, found 23 hours ago
$638
Roundtrip
found 23 hours ago
Select Aerolineas Argentinas flight, departing Thu, Nov 6 from Sao Paulo to Posadas, returning Fri, Nov 14, priced at $638 found 23 hours ago
Aerolineas Argentinas
Fri, Dec 19 - Sun, Jan 11
GRU
Sao Paulo
PSS
Posadas
$641 Roundtrip, found 3 days ago
$641
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 19 from Sao Paulo to Posadas, returning Sun, Jan 11, priced at $641 found 3 days ago
Aerolineas Argentinas
Fri, Dec 19 - Sun, Jan 11
GRU
Sao Paulo
PSS
Posadas
$654 Roundtrip, found 3 days ago
$654
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Fri, Dec 19 from Sao Paulo to Posadas, returning Sun, Jan 11, priced at $654 found 3 days ago

Frequently asked questions

How much does a flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS) cost?
Grab a cheap one-way flight from $159 or cheap return flight from $528 from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) 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 deals on this route.
What is the cheapest month to fly from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS)?
The cheapest month to fly from GRU to PSS is November, when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from GRU to PSS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS)?
There aren't any daily nonstop flights from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from GRU to PSS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS)?
To avoid potential delays on the Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being 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 Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your ticket from GRU to PSS just before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a GRU to PSS flight and hotel package?
You'll typically save money by securing a GRU to PSS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Guarulhos - Governor Andre Franco Montoro Intl. Airport (GRU) to Libertador General Jose de San Martin Airport (PSS)?
Typically, you can cancel or modify your GRU to PSS flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Guarulhos - Governor André Franco Montoro Intl.
Destination airport
Libertador General Jose de San Martin
Airlines serving
Aerolineas Argentinas
Roundtrip price
$528
Distance
651 mi

Book with confidence

Book with confidence

São Paulo to Posadas Flights

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

 

The best time to book a flight from São Paulo to Posadas

Sunday is one of the best days to book for cheap flights from São Paulo 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 São Paulo 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 São Paulo to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from $159 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 São Paulo 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 São Paulo 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.

 

São Paulo to Posadas Flights

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*Available to One Key members.