Cheap Flights from Porto Alegre (POA) to Buenos Aires (BUEA)

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Flight deals from Porto Alegre to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Porto Alegre Airport to Buenos Aires? If you want to travel next month, return fares start from $475. Find the lowest prices on one-way and return tickets right here.

Buenos Aires.$475 per passenger.Departing Mon, 15 Jun, returning Wed, 24 Jun.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Mon, 15 Jun, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Wed, 24 Jun, arriving in Porto Alegre.Price includes taxes and charges.From $475, select.

Buenos Aires.$475 per passenger.Departing Fri, 22 May, returning Sun, 31 May.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Fri, 22 May, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Sun, 31 May, arriving in Porto Alegre.Price includes taxes and charges.From $475, select.

Buenos Aires.$475 per passenger.Departing Fri, 22 May, returning Sun, 14 Jun.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Fri, 22 May, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Sun, 14 Jun, arriving in Porto Alegre.Price includes taxes and charges.From $475, select.

Buenos Aires.$501 per passenger.Departing Sat, 27 Jun, returning Fri, 3 Jul.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Sat, 27 Jun, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Fri, 3 Jul, arriving in Porto Alegre.Price includes taxes and charges.From $501, select.

Buenos Aires.$503 per passenger.Departing Fri, 22 May, returning Sun, 16 Aug.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Fri, 22 May, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Sun, 16 Aug, arriving in Porto Alegre.Price includes taxes and charges.From $503, select.

Buenos Aires.$512 per passenger.Departing Sat, 15 Aug, returning Mon, 17 Aug.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Sat, 15 Aug, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Mon, 17 Aug, arriving in Porto Alegre.Price includes taxes and charges.From $512, select.

Buenos Aires.$522 per passenger.Departing Fri, 9 Oct, returning Fri, 16 Oct.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Fri, 9 Oct, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Fri, 16 Oct, arriving in Porto Alegre.Price includes taxes and charges.From $522, select.

Buenos Aires.$523 per passenger.Departing Mon, 6 Jul, returning Fri, 10 Jul.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Mon, 6 Jul, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Fri, 10 Jul, arriving in Porto Alegre.Price includes taxes and charges.From $523, select.

Buenos Aires.$524 per passenger.Departing Fri, 4 Dec, returning Mon, 7 Dec.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Fri, 4 Dec, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Mon, 7 Dec, arriving in Porto Alegre.Price includes taxes and charges.From $524, select.

Buenos Aires.$524 per passenger.Departing Fri, 5 Jun, returning Fri, 12 Jun.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Fri, 5 Jun, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Fri, 12 Jun, arriving in Porto Alegre.Price includes taxes and charges.From $524, select.

Buenos Aires.$526 per passenger.Departing Fri, 28 Aug, returning Fri, 4 Sep.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Fri, 28 Aug, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Fri, 4 Sep, arriving in Porto Alegre.Price includes taxes and charges.From $526, select.

Buenos Aires.$526 per passenger.Departing Fri, 14 Aug, returning Wed, 2 Sep.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Fri, 14 Aug, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Wed, 2 Sep, arriving in Porto Alegre.Price includes taxes and charges.From $526, select.

Buenos Aires.$526 per passenger.Departing Thu, 7 Jan, returning Wed, 13 Jan.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from Porto Alegre on Thu, 7 Jan, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with LATAM Airlines, departs from Buenos Aires Jorge Newbery on Wed, 13 Jan, arriving in Porto Alegre.Price includes taxes and charges.From $526, select.

Buenos Aires.$526 per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with GOL Linhas Aéreas.Outbound indirect flight with GOL Linhas Aéreas, departs from Porto Alegre on Wed, 30 Sep, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with GOL Linhas Aéreas, departs from Buenos Aires Jorge Newbery on Sun, 4 Oct, arriving in Porto Alegre.Price includes taxes and charges.From $526, select.

Buenos Aires.$526 per passenger.Departing Wed, 20 May, returning Wed, 27 May.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Wed, 20 May, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Wed, 27 May, arriving in Porto Alegre.Price includes taxes and charges.From $526, select.

Buenos Aires.$527 per passenger.Departing Fri, 29 May, returning Mon, 1 Jun.Return flight with LATAM Airlines.Outbound direct flight with LATAM Airlines departs from Porto Alegre on Fri, 29 May, arriving in Buenos Aires Jorge Newbery.Inbound direct flight with LATAM Airlines departs from Buenos Aires Jorge Newbery on Mon, 1 Jun, arriving in Porto Alegre.Price includes taxes and charges.From $527, select.

Find the cheapest month to fly from Porto Alegre to Buenos Aires

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

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Direct flights from Porto Alegre to Buenos Aires

Alternative Porto Alegre to Buenos Aires routes

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

Buenos Aires Jorge Newbery

7km from central Buenos Aires

ClosestCheapest

from $475

Search flights

Buenos Aires Ministro Pistarini

28km from central Buenos Aires

from $512

Search flights

Porto Alegre to Buenos Aires: Flight information

The things to know before you go.

Cheapest flight found	$475
Cheapest month to fly	May
Average flight time	1 hr, 55 mins
Most popular airline	LATAM Airlines
Average flights per week	29

Finding cheap flights from Porto Alegre 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 Porto Alegre to Buenos Aires?

The best price we found for a return flight from Porto Alegre to Buenos Aires is $475. 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 Porto Alegre to Buenos Aires?

1 hour and 55 minutes is the average flight time from Porto Alegre to Buenos Aires.

Which airlines fly direct from Porto Alegre to Buenos Aires?

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

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

As of April 2026, there are 58 flights per week flying from Porto Alegre to Buenos Aires.

When is the cheapest time to fly from Porto Alegre to Buenos Aires?

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

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

If you're flying from Porto Alegre Airport, the cheapest airport near Buenos Aires is Buenos Aires Jorge Newbery – which is 6.8 km away from the centre of Buenos Aires. We've found flights into this airport from $475.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Alegre Airport to Buenos Aires on Friday, 22 May 2026.

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

Yes – the average flight time is 1 hour and 55 minutes.

How can I get the best flight deal from Porto Alegre 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 Porto Alegre Airport to Buenos Aires with?

Currently, GOL Linhas Aéreas and LATAM Airlines offer the cheapest flight tickets to Buenos Aires.

Flying from Porto Alegre Salgado Filho International Airport (POA) to Buenos Aires: what you need to know

The average length of a direct flight from Porto Alegre Salgado Filho International Airport to Buenos Aires is 1 hour 35 minutes.
Porto Alegre (the location of Porto Alegre Salgado Filho International Airport) and Buenos Aires follow the same timezone — UTC-3.
You can choose from ten services each week between Porto Alegre Salgado Filho International Airport (POA) and Buenos Aires Jorge Newbery Airfield (AEP). This is the most popular flight route.
For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your POA to Buenos Aires flight.
Flying during a peak month like August? Public holidays and other popular periods can mean longer lines at security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.
You can book a direct Porto Alegre Salgado Filho International Airport to Buenos Aires ticket. Begin your journey at POA and arrive at Buenos Aires Jorge Newbery Airfield (AEP).
Leading airlines that offer direct flights from Porto Alegre Salgado Filho International Airport to Buenos Aires include:
Finding a plane ticket from POA to Buenos Aires with a stopover is a breeze. Whether you want to potentially save cash on your fare or break up your trip, just uncheck 'Direct flights only' to view your options. A top stop on this route is Panama City Tocumen International Airport (PTY).
Located around 6 kilometres from central Porto Alegre, POA can be reached in about 20 minutes by car. The journey on public transport will take roughly 35 minutes.
Want a hassle-free start to your holiday? Stay near POA. Whether you've booked an early flight from Porto Alegre Salgado Filho International Airport to Buenos Aires or just don't want to be rushed, these hotels are a convenient choice:
When it comes to the on-time performance of Porto Alegre Salgado Filho International Airport, 78% of flights arrive within the expected time frame.

How to find the cheapest flights from Porto Alegre Salgado Filho International Airport (POA) to Buenos Aires

$199 is the lowest price we've found for a one-way Porto Alegre Salgado Filho International Airport to Buenos Aires flight. A return plane ticket right now is $475. Depending on how early you book and the availability, these fares may change.
To pick up cheap flights from POA to Buenos Aires, book your trip four months ahead of your departure date.
September is the best month for picking up an incredible deal on Porto Alegre Salgado Filho International Airport to Buenos Aires tickets. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.
You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know when there's an even bigger deal on cheap flights from POA to Buenos Aires.
Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Porto Alegre Salgado Filho International Airport to Buenos Aires by 'Best,' 'Fastest' or 'Cheapest.'

Airports in Buenos Aires

Buenos Aires Jorge Newbery Airfield (AEP)

Buenos Aires Jorge Newbery Airfield (AEP) is around 8 kilometres from central Buenos Aires. If you're grabbing a taxi or a ride-share, the drive takes roughly 25 minutes.
Getting there by public transport takes about 40 minutes.
The last thing you need is a long journey to your hotel if you're landing late on a flight from Porto Alegre Salgado Filho International Airport to Buenos Aires. Stay at one of these accommodation options near AEP instead:
To secure the lowest price, reserve your ride from Buenos Aires Jorge Newbery Airfield about one week in advance of your flight from POA to Buenos Aires.

Buenos Aires Ministro Pistarini Intl Airport (EZE)

Central Buenos Aires is around 32 kilometres from Buenos Aires Ministro Pistarini Intl Airport (EZE). After your flight from Porto Alegre Salgado Filho International Airport to Buenos Aires has hit the runway and you've made your way through the terminal, the drive should be around 30 minutes.
You can expect the journey to take about 1 hour 15 minutes on public transport.
Hang up the 'Do not disturb' sign and relax at a hotel near EZE. Here are a few options where you can kick back after your POA to Buenos Aires flight:
Score the best price by reserving your ride from EZE one week in advance. You'll also have access to a bigger selection of vehicles.

Best time to go to Buenos Aires

September is the most popular month for flights from Porto Alegre Salgado Filho International Airport to Buenos Aires. To escape the crowds, visit Buenos Aires in December.
Before locking in your Porto Alegre Salgado Filho International Airport to Buenos Aires plane ticket, think about the type of weather you enjoy. January is the warmest month in Buenos Aires, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).
For cooler conditions, search for a cheap ticket from POA to Buenos Aires in July when temperatures average between 5ºC (41ºF) and 16ºC (61ºF).

More about Buenos Aires

When it comes to looking for somewhere to rest your head, you'll find the top stays in Buenos Aires right here. Browse these hotels after you've booked your flight from Porto Alegre Salgado Filho International Airport to Buenos Aires:
There are so many things to do and see in this city it can be difficult to know where to start. El Ateneo Grand Splendid, Teatro Colon and Recoleta Cemetery are major attractions which should feature on every Buenos Aires itinerary.

Explore more of Argentina

Buenos Aires is always a good idea, but there are so many other corners of Argentina waiting to be discovered. Around 274 kilometres northwest of Buenos Aires, a visit to Rosario will keep your itinerary packed. Start with popular sights like Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.
Mar Del Plata is another favourite destination in Argentina and is around 386 kilometres south of Buenos Aires. No trip is complete without seeing Teatro Colon, Playa Popular and Aquasol Water Park.