$59 Cheap Flights from Posadas (PSS) to Buenos Aires (AEP)
Popular airlines from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)
Aerolineas ArgentinasAerolineas Argentinas
B & H AirlinesB & H Airlines
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Cheap Flights from Posadas to Buenos Aires (PSS-AEP)
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Posadas (PSS) to Buenos Aires (AEP) at a glance
Travel with a full-service airline from Posadas (PSS) to Buenos Aires (AEP) on this domestic short-haul route. Choose an itinerary that aligns with your travel plans as you immerse yourself in the vibrant sights and neighborhoods of Buenos Aires. Below, you'll find essential information for flights departing from Libertador General José de San Martín Airport (PSS) to Aeroparque Jorge Newbery Airport (AEP).
- Fastest flight duration: around 1h 45m non-stop
- Route distance: roughly 500 miles (800 km)
- Flights per week: around 8 departures on average
- Typical fares (one-way): economy tickets often range from $75–$330, depending on seasonality and how far ahead you book
Flights from Libertador General Jose de San Martin Airport (PSS) to Aeroparque Jorge Newbery Airport (AEP)
Based on the latest traveler bookings, here are the top airlines favored for non-stop flights from Posadas to Buenos Aires. These choices allow you to customize your itinerary by balancing price, total travel time, and cabin class for an optimal travel experience.
- Aerolineas Argentinas: This comprehensive airline provides direct flights, dominating the departures on this route. One-way tickets usually range from $75 to $345, with an overall travel time of 1 hour and 45 minutes.
Travelers have the option to upgrade their flight from Posadas to Buenos Aires, with Aerolineas Argentinas offering premium economy service on this route.
Alternative route from Posadas (PSS) to Buenos Aires (AEP)
- Posadas to Buenos Aires (PSS-EZE): Ministro Pistarini International Airport (EZE) lies approximately 19 miles from Aeroparque Jorge Newbery Airport (AEP).
How to find the best prices for flights from Posadas (PSS) to Buenos Aires (AEP)
Getting some of the best deals on flights from Posadas to Buenos Aires is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book within two weeks. Afternoon departures (12 PM to 6 PM) often offer lower prices, despite morning flights (5 AM to 12 PM) being more popular. Additionally, flying on Thursday generally provides cheaper rates, while Tuesday remains the most sought-after travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Aeroparque Jorge Newbery Airport from Libertador General Jose de San Martin Airport
Buenos Aires welcomes travelers from Posadas with a range of transport options based on price, convenience, and proximity. Here's how to reach Buenos Aires efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Buenos Aires, with private rides that can be arranged in advance.
- Car rental: Renting a car from Aeroparque Jorge Newbery Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Aeroparque Jorge Newbery Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Aeroparque Jorge Newbery Airport, the nearby Seaport is located just 0.1 miles away on foot, while Lisandro de la Torre Station, a metro station, is about 2 miles away by car, and Buenos Aires Saldias Station, a train station, sits approximately 2.2 miles from the airport by car. This makes it convenient for travelers to access various transport options quickly.
Posadas to Buenos Aires Flights
The cheapest times to fly from Posadas to Buenos Aires
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 Buenos Aires are during the month of December. You can find some of the cheapest flights from Posadas to Buenos Aires with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Posadas to Buenos Aires
Sunday is one of the best days to book for cheap flights from Posadas to Buenos Aires: 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 Buenos Aires
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 Buenos Aires in 2026. You can also book with separate airlines for your outbound and return journeys, from $59 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 Buenos Aires 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 Buenos Aires 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 Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) cost?
You can find cheap one-way flights from $59 and cheap return flights $118 Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) with Expedia. One-way flights typically cost between $65 and $420, and return flights often range between $234 and $873. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The cheapest month to fly from PSS to AEP is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
You can fly direct from PSS to AEP on Aerolineas Argentinas, with around 19 flights per week.
What is the cheapest airline that flies from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
Aerolineas Argentinas is one of the cheapest airlines offering nonstop flights from Libertador General Jose de San Martin (PSS) to Aeroparque Jorge Newbery (AEP), with round-trip tickets starting from around $182. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
To find a cheap flight from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The best airline to fly with from Posadas (PSS) to Buenos Aires (AEP) will differ from traveler to traveler. If you like to fly early, Aerolineas Argentinas offers early morning flights. If price is the most important factor, Aerolineas Argentinas typically offers the lowest fares. Aerolineas Argentinas also offers the most daily flights from PSS to AEP, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
There are approximately 3 nonstop flights per day from Libertador General Jose de San Martin (PSS) to Aeroparque Jorge Newbery (AEP). For more options, look at flights that include layovers.
What is the earliest flight from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The earliest flight from Libertador General Jose de San Martin Airport (PSS) to Aeroparque Jorge Newbery (AEP) usually departs at around 8:55 AM, operated by Aerolineas Argentinas. This seasonal service is available in March and May, and an early flight can help you make the most of your day in Buenos Aires. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The most popular departure times for flights from Posadas (PSS) to Buenos Aires (AEP) are in the late morning, from 9am to noon. About 42% of passengers prefer this time window. Aerolineas Argentinas is the main carrier offering flights during this time. This timing works well because it allows you to enjoy your morning in Posadas before heading to Buenos Aires.
How long does it take to fly from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
A nonstop flight from PSS to AEP typically takes around 1 hour 50 minutes, covering approximately 516 miles. Connecting flights on this route usually add 2 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
Select the "Business class" and "First class" filters when looking for PSS to AEP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight with Expedia?
It's easy to earn miles on a Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buenos Aires from Libertador General Jose de San Martin (PSS)?
From Libertador General Jose de San Martin (PSS), you can fly typically into Aeroparque Jorge Newbery (AEP) to reach Buenos Aires. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) at the last minute?
Typically, booking a last minute flight from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight and hotel package?
Securing a Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) Buenos Aires Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
If you booked your Posadas (PSS-Libertador General Jose de San Martin) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Posadas |
|---|---|
Destination airport | Buenos Aires |
Distance | 515 miles away |
Airlines serving | Aerolineas Argentinas, B & H Airlines |
Popular airline | Aerolineas Argentinas |
Roundtrip price | $118 |
Average flight time | 1 hour 40 mins |