Title: CA $86 Cheap Flights from Buenos Aires (AEP) to Posadas (PSS) - Expedia.ca ![Misiones featuring a cascade and landscape views](https://images.trvl-media.com/place/6232393/605dc98f-750b-40de-8296-415246f5b8fc.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6232393/605dc98f-750b-40de-8296-415246f5b8fc.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $86 Cheap Flights from Buenos Aires (AEP) to Posadas (PSS) [View CA $86 flight on Wed, Feb 18, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:AEP,to:PSS,departure:18/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:85.30&airProductToken=AQojCiEIwaQBEgQxNzY0GIB5IM-UASjQv4UDMLTAhQM4RUAAWAESCggBEAEYASoCQVIYASIECAEQASgEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Buenos Aires (AEP-Aeroparque Jorge Newbery) to Posadas (PSS-Libertador General Jose de San Martin) - ![Aerolineas Argentinas](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AR.svg) Aerolineas Argentinas [](https://www.expedia.ca/Flights-Search?leg1=from:aep,to:pss,departure:13/11/2025TANYT&leg2=from:pss,to:aep,departure:20/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AR"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Buenos Aires (AEP) to Posadas (PSS) Prices were available within the past 7 days and start at CA $86 for one-way flights and CA $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Aerolineas Argentinas](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AR.gif) Sat, Jan 24 - Sat, Feb 7 AEP Buenos Aires PSS Posadas CA $309 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:AEP,to:PSS,departure:24/01/2026TANYT&leg2=from:PSS,to:AEP,departure:07/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:308.20&airProductToken=AQotCisIwaQBEgQxNzY4GIB5IM-UASiLqoMDMO-qgwM4VEAAWAFqAkVCcgRUVUVCCi0KKwjBpAESBDE3NjMYz5QBIIB5KMvChAMwr8OEAzhVQABYAWoCRUJyBFVVRUISCggBEAEYASoCQVIYASIECAEQASgCKAMoBDAB) ![Aerolineas Argentinas](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AR.gif) Mon, Jan 26 - Sat, Feb 7 AEP Buenos Aires PSS Posadas CA $339 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:AEP,to:PSS,departure:26/01/2026TANYT&leg2=from:PSS,to:AEP,departure:07/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:338.10&airProductToken=AQotCisIwaQBEgQxNzY4GIB5IM-UASi8wIMDMKDBgwM4TEAAWAFqAkVCcgRMVUVCCi0KKwjBpAESBDE3NjMYz5QBIIB5KMvChAMwr8OEAzhVQABYAWoCRUJyBFVVRUISCggBEAEYASoCQVIYASIECAEQASgCKAMoBDAB) ![Aerolineas Argentinas](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AR.gif) Sat, Jan 24 - Sat, Feb 7 AEP Buenos Aires PSS Posadas CA $510 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:AEP,to:PSS,departure:24/01/2026TANYT&leg2=from:PSS,to:AEP,departure:07/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:509.30&airProductToken=AQotCisIwaQBEgQxNzYyGIB5IM-UASiJpIMDMO2kgwM4TUAAWAFqAkVQcgRNVUVQCi0KKwjBpAESBDE3NjMYz5QBIIB5KMvChAMwr8OEAzhVQABYAWoCRUJyBFVVRUISCggBEAEYASoCQVIYASIECAEQASgCKAMoBDAB) ## Frequently asked questions ### How much is a flight from Aeroparque Jorge Newbery Airport (AEP) to Posadas Airport? > Start packing your suitcase, because round-trip journeys between Aeroparque Jorge Newbery Airport (AEP) and Libertador General Jose de San Martin Airport (PSS) start from CA $309. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Aeroparque Jorge Newbery Airport (AEP) to Posadas Airport? > When it comes to cancellation fees, every airline has its own set of terms and conditions. If you decide to cancel your getaway, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Aeroparque Jorge Newbery Airport to PSS that have flexible change policies? > Flights from Aeroparque Jorge Newbery Airport (AEP) to PSS offering flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the fare difference, with no additional fees to worry about. ### How many hours is the flight from AEP to PSS? > It only takes an average of 1 hour and 39 minutes to travel from Aeroparque Jorge Newbery Airport (AEP) to Posadas Airport. Buckle up and get comfortable — but not too comfortable. You'll be in Posadas in no time. ### How far is the flight from Aeroparque Jorge Newbery Airport (AEP) to PSS? > With a flight distance of 830 kilometres, it's just a hop from Aeroparque Jorge Newbery Airport (AEP) to Posadas Airport. It might be a quick one, but it's still worth bringing along a book to read. ### Which airlines fly direct from AEP to Libertador General Jose de San Martin Airport (PSS)? > With 60 flights every month from Aeroparque Jorge Newbery Airport (AEP) to PSS, Aerolineas Argentinas (AR) is a top choice. You could also check out the fares available with Flybondi (FO). This airline operates 4 flights a month between Buenos Aires and Posadas. ### Are Aeroparque Jorge Newbery Airport (AEP) to Libertador General Jose de San Martin Airport (PSS) flight tickets cheaper when they're purchased at the last minute? > Last-minute bookings from AEP to PSS can be hit-or-miss. You might be lucky and score a bargain, but you could also completely miss out! If you'd rather play it safe and start your travel planning early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices so far in advance. Our suggestion? Check back often as prices are updated frequently. ## Travel information | Origin airport | Aeroparque Jorge Newbery | | --- | --- | | Destination airport | Libertador General Jose de San Martin | | Roundtrip price | CA $308 | | Distance | 825 km | | Average flight time | 1 hour 38 mins | ## Book with confidence ### Buenos Aires to Posadas Flights **The easy way to book your flights from Buenos Aires to Posadas**  With Expedia, it’s simple to find and book flights to Posadas from Buenos Aires whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 10 airlines that cover this route. There are nonstop flights to Libertador General Jose de San Martin, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buenos Aires to Posadas today, tomorrow, or this week.   **Save dollars with cheap flights from Aeroparque Jorge Newbery, AEP to Libertador General Jose de San Martin, PSS**  Sort your search results by price to find great deals on your flight from Buenos Aires to Posadas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Posadas from Buenos Aires currently is just CA $309 rising to CA $510.   Here are more money-saving tips:  - Fly in January when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Posadas   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Posadas from Buenos Aires**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Posadas with Expedia today. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [5 Star Hotels in Puerto Rico](https://www.expedia.ca/5Star-Puerto-Rico-Hotels.s50-0-d6144162.Travel-Guide-Filter-Hotels) - [Alicia Alta Hotels](https://www.expedia.ca/Alicia-Alta-Hotels.d553248634664657367.Travel-Guide-Hotels) - [Apostoles Hotels](https://www.expedia.ca/Apostoles-Hotels.d6229964.Travel-Guide-Hotels) - [Aristóbulo del Valle Hotels](https://www.expedia.ca/Aristobulo-Del-Valle-Hotels.d3000007401.Travel-Guide-Hotels) - [Azara Hotels](https://www.expedia.ca/Azara-Hotels.d553248634664651167.Travel-Guide-Hotels) - [Caá Yarí Hotels](https://www.expedia.ca/Caa-Yari-Hotels.d553248635924012247.Travel-Guide-Hotels) - [Campo Viera Hotels](https://www.expedia.ca/Campo-Viera-Hotels.d553248635924011319.Travel-Guide-Hotels) - [Capiovi Hotels](https://www.expedia.ca/Capiovi-Hotels.d6360107.Travel-Guide-Hotels) - [Cerro Azul Hotels](https://www.expedia.ca/Cerro-Azul-Hotels.d553248635924011657.Travel-Guide-Hotels) - [Colonia Finlandesa Hotels](https://www.expedia.ca/Colonia-Finlandesa-Hotels.d3000007373.Travel-Guide-Hotels) - [Corpus Christi Hotels](https://www.expedia.ca/Corpus-Christi-Hotels.d553248635924011723.Travel-Guide-Hotels) - [Departamento Oberá Hotels](https://www.expedia.ca/Destinations-In-Departamento-Obera.d553248635975749036.Hotel-Destinations) - [Lgbt Friendly Hotels in Misiones Province](https://www.expedia.ca/Destinations-In-Misiones-Province-LGBT-Friendly-Hotel.0-0-d6232393-tLGBTFriendlyHotel.Hotel-Filter-Destinations) - [Misiones Province Hotels](https://www.expedia.ca/Destinations-In-Misiones-Province.d6232393.Hotel-Destinations) - [Veinticinco de Mayo Department Hotels](https://www.expedia.ca/Destinations-In-Veinticinco-De-Mayo-Department.d553248635975749329.Hotel-Destinations) - [Dos de Mayo Hotels](https://www.expedia.ca/Dos-De-Mayo-Hotels.d3000007356.Travel-Guide-Hotels) - [Fachinal Hotels](https://www.expedia.ca/Fachinal-Hotels.d553248635924011744.Travel-Guide-Hotels) - [General Alvear Hotels](https://www.expedia.ca/General-Alvear-Hotels.d553248635924011883.Travel-Guide-Hotels) - [Itacaruaré Hotels](https://www.expedia.ca/Itacaruare-Hotels.d553248634664569155.Travel-Guide-Hotels) - [Jardín América Hotels](https://www.expedia.ca/Jardin-America-Hotels.d3000007315.Travel-Guide-Hotels) - [Leandro N. Alem Hotels](https://www.expedia.ca/Leandro-N-Alem-Hotels.d553248635924011690.Travel-Guide-Hotels) - [Los Helechos Hotels](https://www.expedia.ca/Los-Helechos-Hotels.d553248635924011725.Travel-Guide-Hotels) - [Montecarlo Hotels](https://www.expedia.ca/Montecarlo-Hotels.d6249036.Travel-Guide-Hotels) - [Obera Hotels](https://www.expedia.ca/Obera-Hotels.d3000007243.Travel-Guide-Hotels) - [Panambí Hotels](https://www.expedia.ca/Panambi-Hotels.d553248635924011714.Travel-Guide-Hotels) - [Beach Hotel Hotels in Posadas](https://www.expedia.ca/Posadas-Hotels-Beach-Hotel.0-0-d2887-tBeachHotel.Travel-Guide-Filter-Hotels) - [Posadas Hotels](https://www.expedia.ca/Posadas-Hotels.d2887.Travel-Guide-Hotels) - [Puerto Rico Hotels](https://www.expedia.ca/Puerto-Rico-Hotels.d6144162.Travel-Guide-Hotels) - [San Francisco de Asís Hotels](https://www.expedia.ca/San-Francisco-De-Asis-Hotels.d553248634664567810.Travel-Guide-Hotels) - [Pet-Friendly Hotels in San Ignacio](https://www.expedia.ca/San-Ignacio-Hotels-Pet-Friendly-Hotel.0-0-d6201391-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [San Ignacio Hotels](https://www.expedia.ca/San-Ignacio-Hotels.d6201391.Travel-Guide-Hotels) - [San Javier Hotels](https://www.expedia.ca/San-Javier-Hotels.d553248634743946536.Travel-Guide-Hotels) - [San Martín Hotels](https://www.expedia.ca/San-Martin-Hotels.d553248635924011757.Travel-Guide-Hotels) - [Santa Ana Hotels](https://www.expedia.ca/Santa-Ana-Hotels.d6201393.Travel-Guide-Hotels) - [Santo Pipó Hotels](https://www.expedia.ca/Santo-Pipo-Hotels.d3000007164.Travel-Guide-Hotels) - [Veinticinco de Mayo Hotels](https://www.expedia.ca/Veinticinco-De-Mayo-Hotels.d553248635924011755.Travel-Guide-Hotels) - [Villa Salto Encantado Hotels](https://www.expedia.ca/Villa-Salto-Encantado-Hotels.d553248635924012859.Travel-Guide-Hotels) - [Flights to Corpus Christi](https://www.expedia.ca/Cheap-Flights-To-Corpus-Christi.d553248635924011723.Travel-Guide-Flights) - [Flights to Puerto Rico](https://www.expedia.ca/Cheap-Flights-To-Puerto-Rico.d6144162.Travel-Guide-Flights) - [Flights to Capital Department](https://www.expedia.ca/Destinations-In-Capital-Department.d553248635975749861.Flight-Destinations) - [Flights to Misiones Province](https://www.expedia.ca/Destinations-In-Misiones-Province.d6232393.Flight-Destinations) - [Corpus Christi Vacations](https://www.expedia.ca/Corpus-Christi.d553248635924011723.Destination-Travel-Guides) - [Misiones Province Vacations](https://www.expedia.ca/Misiones-Province.d6232393.Destination-Travel-Guides) - [Visit Obera](https://www.expedia.ca/Obera.dx3000007243) - [Puerto Rico Vacations](https://www.expedia.ca/Puerto-Rico.d6144162.Destination-Travel-Guides) - [Santa Ana Vacations](https://www.expedia.ca/Santa-Ana.d6201393.Destination-Travel-Guides) - [Car rental Montecarlo](https://www.expedia.ca/Car-Rentals-In-Montecarlo.d6249036.Car-Rental-Guide) - [Car rental Posadas](https://www.expedia.ca/Car-Rentals-In-Posadas.d2887.Car-Rental-Guide) - [Car rental Puerto Rico](https://www.expedia.ca/Car-Rentals-In-Puerto-Rico.d6144162.Car-Rental-Guide) - [Car rental San Ignacio](https://www.expedia.ca/Car-Rentals-In-San-Ignacio.d6201391.Car-Rental-Guide) - [Car rental San José](https://www.expedia.ca/Car-Rentals-In-San-Jose.d553248635924011617.Car-Rental-Guide) - [Car rentals near Misiones Province](https://www.expedia.ca/Destinations-In-Misiones-Province.d6232393.Car-Rental-Destinations) - [Misiones Province Vacation Rentals](https://www.expedia.ca/Destinations-In-Misiones-Province.d6232393.Vacation-Rental-Destinations) - [Puerto Rico Vacation Rentals](https://www.expedia.ca/Puerto-Rico-Vacation-Rentals.d6144162.Travel-Guide-VacationRentals) - [Things to do in Aristóbulo del Valle](https://www.expedia.ca/Things-To-Do-In-Aristobulo-Del-Valle.d3000007401.Travel-Guide-Activities) - [Things to do in Misiones Province](https://www.expedia.ca/Things-To-Do-In-Misiones-Province.d6232393.Travel-Guide-Activities) \*Available to Expedia members.