$59 Cheap Aerolineas Argentinas flights Buenos Aires (AEP) to Posadas (PSS)

Finding cheap one-way Aerolineas Argentinas flights from AEP to PSS from $59 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $131 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Begin your search one to three months ahead of your travel date to score cheap fares on Aerolineas Argentinas flights from Aeroparque Jorge Newbery Airport (AEP) to Libertador General Jose de San Martin Airport (PSS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest Aerolineas Argentinas flight from AEP to PSS takes off at 6:45AM UTC-3, landing at 8:25AM UTC-3. If you want to head off later, the last Aerolineas Argentinas flight leaves AEP at 7:55PM UTC-3 and touches down at PSS at 9:35PM UTC-3. Flying before noon is generally a smart choice as morning and mid-morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

A rewarding loyalty program and the opportunity to collect points through Aerolineas Argentinas Plus are the start of the reasons to jet off from AEP to PSS with Aerolineas Argentinas. Plus, when you join our One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.