Cheap Flights from Posadas (PSS) to Buenos Aires (BUEA)

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Flight deals from Posadas Airport to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Posadas Airport to Buenos Aires? If you want to travel next month, return fares start from £46. Find the lowest prices on one-way and return tickets right here.

Buenos Aires.£23 per passenger.Departing Wed, 10 Jun.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Wed, 10 Jun, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £23, select.

Buenos Aires.£24 per passenger.Departing Thu, 14 May.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Thu, 14 May, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £24, select.

Buenos Aires.£25 per passenger.Departing Sat, 18 Apr.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Sat, 18 Apr, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £25, select.

Buenos Aires.£32 per passenger.Departing Thu, 3 Sep.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Thu, 3 Sep, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £32, select.

Buenos Aires.£32 per passenger.Departing Wed, 9 Dec.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Wed, 9 Dec, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £32, select.

Buenos Aires.£32 per passenger.Departing Sat, 7 Nov.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Sat, 7 Nov, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £32, select.

Buenos Aires.£32 per passenger.Departing Wed, 1 Jul.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Wed, 1 Jul, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £32, select.

Buenos Aires.£39 per passenger.Departing Sun, 4 Oct.One-way flight with Flybondi.Outbound direct flight with Flybondi departs from Posadas on Sun, 4 Oct, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £39, select.

Buenos Aires.£41 per passenger.Departing Mon, 31 Aug.One-way flight with Aerolíneas Argentinas.Outbound direct flight with Aerolíneas Argentinas departs from Posadas on Mon, 31 Aug, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From £41, select.

Find the cheapest month to fly from Posadas to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Posadas to Buenos Aires flights are currently cheapest in June.

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Direct flights from Posadas to Buenos Aires

Alternative Posadas to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Posadas to Buenos Aires? You could fly into the following airports instead.

Buenos Aires Jorge Newbery

4 miles from central Buenos Aires

ClosestCheapest

from £23

Search flights

Buenos Aires Ministro Pistarini

17 miles from central Buenos Aires

from £25

Search flights

Posadas to Buenos Aires: Flight information

The things to know before you go.

Cheapest flight found	£23
Cheapest month to fly	June
Average flight time	1 hr, 40 mins
Most popular airline	GOL Linhas Aéreas
Average flights per week	113

Finding cheap flights from Posadas to Buenos Aires: Frequently asked questions

How many airports are there in Buenos Aires?

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.

How much are return flights from Posadas to Buenos Aires?

The best price we found for a return flight from Posadas to Buenos Aires is £46. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Posadas to Buenos Aires?

1 hour and 40 minutes is the average flight time from Posadas to Buenos Aires.

Which airlines fly direct from Posadas to Buenos Aires?

GOL Linhas Aéreas, Aerolíneas Argentinas and LATAM Airlines fly direct from Posadas to Buenos Aires.

How many flights are there a week from Posadas to Buenos Aires?

As of April 2026, there are 113 flights per week flying from Posadas to Buenos Aires.

When is the cheapest time to fly from Posadas to Buenos Aires?

The cheapest month to fly from Posadas to Buenos Aires is usually May.

Which is the cheapest airport to fly into in Buenos Aires?

If you're flying from Posadas Airport, the cheapest airport near Buenos Aires is Buenos Aires Jorge Newbery – which is 4.2 miles away from the centre of Buenos Aires. We've found flights into this airport from £46.

Which upcoming date is cheapest to fly from Posadas Airport to Buenos Aires on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Posadas Airport to Buenos Aires on Thursday, 14 May 2026.

Can I get a direct flight from Posadas Airport to Buenos Aires?

Yes – the average flight time is 1 hour and 40 minutes.

How can I get the best flight deal from Posadas Airport to Buenos Aires?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Buenos Aires?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Buenos Aires?

In April, the average temperature is usually around 17°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.

Which is the cheapest airline to fly from Posadas Airport to Buenos Aires with?

Currently, Flybondi offers the cheapest flight tickets to Buenos Aires.

Travelling from Libertador General Jose de San Martin Airport (PSS) to Buenos Aires: what you need to know

Take a direct flight from Libertador General Jose de San Martin Airport to Buenos Aires and you'll be in the air for around 1 hour 40 minutes.
Posadas (the location of Libertador General Jose de San Martin Airport) and Buenos Aires share the same timezone — UTC-3.
Libertador General Jose de San Martin Airport (PSS) to Buenos Aires Jorge Newbery Airfield (AEP) is the most traveled route, with 27 weekly flights to choose from. If you have things to do before heading off, the last flight from PSS to AEP is with Aerolineas Argentinas at 22:10. Opt for the first departure operated by Aerolineas Argentinas at 08:55 if you want to get on your way earlier.
Give yourself enough time to get on your PSS to Buenos Aires flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.
During popular months like October, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during high season in general.
You can book a direct Libertador General Jose de San Martin Airport to Buenos Aires ticket. Begin your trip at PSS and arrive at Buenos Aires Jorge Newbery Airfield (AEP).
Aerolineas Argentinas is a popular carrier that operates direct flights from Libertador General Jose de San Martin Airport to Buenos Aires.
Located around 8 kms (5 miles) from the centre of Posadas, PSS can be reached in about 20 minutes by car (depending on traffic). Travelling on public transport takes roughly 35 minutes.
Want a hassle-free start to your holiday? Stay near PSS. Whether you're boarding an early flight from Libertador General Jose de San Martin Airport to Buenos Aires or just don't like being rushed, these hotels are all about convenience:
72% of flights that leave from Libertador General Jose de San Martin Airport reach their destination on schedule.

How to find the cheapest flights from Libertador General Jose de San Martin Airport (PSS) to Buenos Aires

The lowest price we've found for a one-way Libertador General Jose de San Martin Airport to Buenos Aires flight is £23. The cheapest price for a return flight is £46. Remember fares may change due to demand at the time of booking.
Score cheap flights from PSS to Buenos Aires by booking six months ahead. Based on our research, that's the best time for picking up a bargain.
The best month for finding cheap Libertador General Jose de San Martin Airport to Buenos Aires tickets is November. Use the 'Whole month' tool to compare all available prices, then choose the dates that offer the lowest fares.
Finding a cheap flight from PSS to Buenos Aires couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll notify you as soon as a better deal is available.
Tailor your flights with filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Libertador General Jose de San Martin Airport to Buenos Aires.

Airports in Buenos Aires

Buenos Aires Jorge Newbery Airfield (AEP)

Buenos Aires Jorge Newbery Airfield (AEP) to central Buenos Aires takes about 25 minutes to reach by car. The centre is roughly 8 kms (5 miles) away.
It typically takes 40 minutes when travelling by public transport.
The last thing you need is a lengthy journey to your hotel if you're landing late on a flight from Libertador General Jose de San Martin Airport to Buenos Aires. Stay at one of these accommodation options near AEP instead:
Secure the lowest price by booking your ride from Buenos Aires Jorge Newbery Airfield about one week before your flight from PSS to Buenos Aires.

Buenos Aires Ministro Pistarini Intl Airport (EZE)

Buenos Aires Ministro Pistarini Intl Airport (EZE) is roughly 32 kms (20 miles) from the centre of Buenos Aires. Once you've hopped off your flight from Libertador General Jose de San Martin Airport to Buenos Aires, it'll take you around 30 minutes to get to the heart of the city in a ride-share or taxi.
You can expect the trip to take about 1 hour 15 minutes on public transport.
You'll find some great places to park your luggage (and yourself) near EZE. Unwind and get cosy after your PSS to Buenos Aires flight at one of these well-located options:
Lock in the lowest price by reserving your ride from EZE one week in advance. You can also expect to have a greater range of vehicles.

Best time to go to Buenos Aires

September is the busiest month for flights from Libertador General Jose de San Martin Airport to Buenos Aires. To steer clear of the crowds, plan your trip to Buenos Aires in December.
When booking your Libertador General Jose de San Martin Airport to Buenos Aires plane ticket, think about what kind of weather you prefer. January is the warmest month in Buenos Aires, with temperatures ranging from 18ºC to 32ºC.
Look for cheap tickets from PSS to Buenos Aires in July if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 16ºC on average.

More about Buenos Aires

After booking your flight from Libertador General Jose de San Martin Airport to Buenos Aires, choose a hotel that puts you right where the action is. Make one of these accommodation options your base for exploring Buenos Aires:
There are so many things to explore in this city it can be tricky to work out where to start. El Ateneo Grand Splendid, Teatro Colon and Recoleta Cemetery are popular attractions which should be on every Buenos Aires itinerary.

Explore more of Argentina

Buenos Aires has plenty to offer, but there are so many other corners of Argentina just waiting to be explored. About 274 kms (170 miles) northwest of Buenos Aires, a visit to Rosario will keep you on the move. Check out popular attractions like Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.
Around 386 kms (240 miles) south of Buenos Aires, Mar Del Plata is another favourite stop in Argentina. Experience this destination's highlights firsthand at Teatro Colon, Playa Popular and Aquasol Water Park.