Cheap Flights from Buenos Aires to Porto Alegre

Compare Buenos Aires to Porto Alegre flight deals

Find the cheapest month or even day of the year to fly to Porto Alegre

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Flight deals from Buenos Aires to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Buenos Aires to Porto Alegre? Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Buenos Aires to Porto Alegre

Buenos Aires to Porto Alegre: Alternative routes

Compare routes from Buenos Aires to Porto Alegre below. You may find an airport to fly into that's cheaper, faster, or easier than Porto Alegre.

Buenos Aires to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 544
Cheapest month to flyOctober
Average flight time1 hr, 41 mins
Most popular airlineLATAM Airlines
Average flights per week26

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

The best price we found for a return flight from Buenos Aires to Porto Alegre is ر.ق.‏ 830. 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 41 minutes is the average flight time from Buenos Aires to Porto Alegre.
LATAM Airlines, GOL Linhas Aéreas and Aerolineas Argentinas fly direct from Buenos Aires to Porto Alegre.
As of September 2025, there are 26 flights per week flying from Buenos Aires to Porto Alegre.
The cheapest month to fly from Buenos Aires to Porto Alegre is usually December.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Buenos Aires to Porto Alegre Airport on Monday, 1 December 2025.
Yes – the average flight time is 1 hour and 41 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 Porto Alegre 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 Porto Alegre is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Porto Alegre is Aerolineas Argentinas .

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

  • Buenos Aires is home to a couple of airports where you can kick off your travels. Check out your options for booking a flight from Buenos Aires to Salgado Filho International Airport (POA) heading out from Jorge Newbery Airport (AEP) or Ministro Pistarini Airport (EZE).

  • Take off on a direct Buenos Aires to Salgado Filho International Airport flight and you'll be travelling for around 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 adjust your watch once you land.

  • Take your pick of 8 direct services a week between Jorge Newbery Airport (AEP) and Salgado Filho International Airport (POA). This is the most popular route, with Aerolineas Argentinas offering a 4:50am departure from AEP to POA.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Get to the airport on time to catch your flight from Buenos Aires to POA.

  • During high season, expect longer wait times and show up earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

  • Jorge Newbery Airport (AEP) makes it easy to travel directly to your destination. Nonstop flights from Buenos Aires to Salgado Filho International Airport (POA) operate out of this terminal.

  • When leaving from AEP, you can catch a direct flight from Buenos Aires to Salgado Filho International Airport with Aerolineas Argentinas.

  • Most passengers choose to fly with Aerolineas Argentinas from AEP to POA.

  • AEP is about 14 kilometres from central Buenos Aires. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 40 minutes.

  • Looking for a convenient hotel near Jorge Newbery Airport? If you've booked an early flight from Buenos Aires to Salgado Filho International Airport, these accommodation options will put you just around the corner from the terminal:

  • Jorge Newbery Airport gets top marks for its on-time performance. 83.76% of flights that take off from AEP arrive at their destination without delay.

Ministro Pistarini Airport (EZE)

  • Break up your flight from Buenos Aires to Salgado Filho International Airport with a stop at Tocumen International Airport (PTY). A major stopover between Ministro Pistarini Airport and POA, it's a great opportunity to unwind before the next leg of your journey.

  • On public transport, you can travel from central Buenos Aires to EZE in around 2 hours 10 minutes. The terminal is roughly 32 kilometres away, and making the trip by car takes approximately 35 minutes.

  • Catching the earliest flight? Think about checking in to one of these hotels near Ministro Pistarini Airport the day before your Buenos Aires to POA flight:

  • Most flights that leave Ministro Pistarini Airport make it to their destination as planned. It boasts a strong on-time performance rate of 83.93%.

About Salgado Filho International Airport (POA)

Getting from Salgado Filho International Airport (POA) to central Porto Alegre

  • Salgado Filho International Airport to central Porto Alegre is about 6 kilometres. If you're getting a cab or renting a car, plan in advance to make your trip as easy as possible. Journey times will vary depending on traffic conditions and the time of day.

  • It typically takes 50 minutes if you're travelling by public transport.

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

  • The lowest price we've found for a one-way ticket from Buenos Aires to Salgado Filho International Airport is ر.ق.‏ 544. For a return flight on this route, the best price is ر.ق.‏ 830. Depending on the availability when you book, these fares can change.

  • Don't leave everything to the last moment. You're more likely to find cheap flights from Buenos Aires to POA if you book ahead. Airlines often offer some amazing early bird deals.

  • Affordable Buenos Aires to Salgado Filho International Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' tool to compare fares throughout the month and then choose the cheapest day.

  • Locking in a cheap flight ticket from Buenos Aires to POA is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Nail down a great price on a flight from Buenos Aires to Salgado Filho International Airport with the help of the filters. Choose your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

The best time to fly from Buenos Aires to Salgado Filho International Airport (POA)

  • It's time to figure out your travel dates for your flight from Buenos Aires to Salgado Filho International Airport (POA). October is the most popular month to visit Porto Alegre. If you prefer a quieter vibe, go in May.

  • The warmest month in Porto Alegre is January, with temperatures ranging between 17ºC and 34ºC. Book your Buenos Aires to POA flight ticket then if that's your idea of comfortable weather.

  • Search for cheap tickets from Buenos Aires to Salgado Filho International Airport in July if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 8ºC and 23ºC.

More about Porto Alegre

Explore more of Brazil

  • Porto Alegre will leave a lasting impression, but there are so many other parts of Brazil just waiting to be explored. Around 225 kilometres south-west of Porto Alegre, a visit to Pelotas will keep you busy. Check out popular attractions like Grande Hotel de Pelotas, Centro histórico de Pelotas and Praça Dom Joaquim.

  • Santa Maria is another standout destination in Brazil and is around 257 kilometres west of Porto Alegre. No journey is complete without seeing Memorial of Japanese Immigration and Culture, Municipal Park Hills and Calçadão Salvador Isaia.

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