Cheap Flights from Porto Alegre to Buenos Aires from $270

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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 to Buenos Aires? Find the lowest prices on one-way and return tickets right here.

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 August.

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.

Porto Alegre to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight found$581
Cheapest month to flyAugust
Average flight time1 hr, 55 mins
Most popular airlineLATAM Airlines
Average flights per week29

Finding cheap flights from Porto Alegre to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from Porto Alegre to Buenos Aires is $581. 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.
1 hour and 55 minutes is the average flight time from Porto Alegre to Buenos Aires.
LATAM Airlines, GOL Linhas Aéreas and Aerolineas Argentinas fly direct from Porto Alegre to Buenos Aires.
As of April 2025, there are 29 flights per week flying from Porto Alegre to Buenos Aires.
The cheapest month to fly from Porto Alegre to Buenos Aires is usually April 2025.
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 $581.
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 Thursday, 28 August 2025.
Yes – the average flight time is 1 hour and 55 minutes.
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.
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.
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.
Currently, LATAM Airlines offers the cheapest flight tickets to Buenos Aires.

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

  • The average time for a direct flight from Salgado Filho International Airport to Buenos Aires is 1 hour 40 minutes.

  • Buenos Aires and Porto Alegre (where Salgado Filho International Airport is located) share the UTC-3 timezone. That means you won't have to change your watch when you land.

  • Salgado Filho International Airport (POA) to Jorge Newbery Airport (AEP) is the most traveled route, with 28 flights a week to pick from. If you prefer starting your day later, the last flight from POA to AEP is with Aerolineas Argentinas at 21:10. Choose the first departure with Aerolineas Argentinas at 07:25 if you want to get going early.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your flight from POA to Buenos Aires.

  • During popular months like October, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during peak periods in general.

  • You can catch a direct flight from Salgado Filho International Airport to Buenos Aires. Begin your journey at POA and end it at Jorge Newbery Airport (AEP).

  • Aerolineas Argentinas is a leading airline that operates direct flights from Salgado Filho International Airport to Buenos Aires.

  • Whether you want to explore a new city along the way or just have a break, we make it easy to find a flight with a stopover. To compare your options, uncheck 'Direct flights only.' Tocumen International Airport (PTY) is a stop you can make on your flight from POA to Buenos Aires.

  • If you hold a passport from Brazil and want to travel to Argentina for tourism purposes, you won't need a visa. However, visa and entry requirements may differ based on your reason for visiting and are subject to change. For the latest rules, contact your destination's nearest embassy or consulate before reserving a cheap ticket from Salgado Filho International Airport to Buenos Aires.

  • Travelling from central Porto Alegre to POA takes around 52 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 11 kilometres in 22 minutes or so, depending on traffic conditions.

  • In search of a convenient hotel close to POA? If you're catching an early flight from Salgado Filho International Airport to Buenos Aires, these stays will put you moments from your departure gate:

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

  • $270 is the lowest price for a one-way ticket from Salgado Filho International Airport to Buenos Aires. A return flight starts from $581. These fares may change based on demand and availability.

  • Book 1 month before you want to fly. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from POA to Buenos Aires.

  • September is the cheapest month for tickets from Salgado Filho International Airport to Buenos Aires. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Set up a Price Alert for flight tickets from POA to Buenos Aires. You don't need to check back in every day to see if prices have fallen. We'll notify you the moment there's a change in price.

  • Play around with the filters to find your ideal trip. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Salgado Filho International Airport to Buenos Aires, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

Ministro Pistarini Airport (EZE)

Best time to go to Buenos Aires

  • August is the busiest month for flights from Salgado Filho International Airport to Buenos Aires. To avoid the crowds, visit Buenos Aires in April when things are quieter.

  • Before you book a flight from Salgado Filho International Airport to Buenos Aires, think about the kind of weather you enjoy. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC to 31ºC.

  • If you want to travel in cooler conditions, search for a cheap flight from POA to Buenos Aires in July when temperatures average between 5ºC and 15ºC.

More about Buenos Aires

  • Start your Buenos Aires trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Salgado Filho International Airport to Buenos Aires, check out our selection of accommodation options including:

  • Obelisco de Buenos Aires and Recoleta Cemetery are just the start of the top attractions to put on your Buenos Aires must-do list. Keep the momentum going by heading to Casa Rosada.

Complete your Buenos Aires trip with a car rental

  • Finding you a cheap flight from Salgado Filho International Airport to Buenos Aires isn't the only thing we're good at. Check out our car rentals in Buenos Aires and have more freedom to explore. We find deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.