Cheap flights from Porto Alegre to Buenos Aires

Salgado Filho
POA
Buenos Aires
BUE

Flight deals from Porto Alegre to Buenos Aires

Below you can see the best deals on flights Porto Alegre — Buenos Aires for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 22 October, from $95.

Top 10 cheap flights from Porto Alegre to Buenos Aires

AR
$ 152

Porto Alegre — Buenos Aires

21:05—23:00
20 Sep 2026
1 h 55 m
Direct flight
AR
$ 152

Porto Alegre — Buenos Aires

21:05—23:00
22 Sep 2026
1 h 55 m
Direct flight
AR
$ 159

Porto Alegre — Buenos Aires

21:45—23:40
30 Aug 2026
1 h 55 m
Direct flight
AR
$ 159

Porto Alegre — Buenos Aires

21:05—23:00
15 Sep 2026
1 h 55 m
Direct flight
LA
$ 162

Porto Alegre — Buenos Aires

07:10—09:00
16 Sep 2026
1 h 50 m
Direct flight
LA
LA
$ 163

Porto Alegre — Buenos Aires

06:40—15:45
15 Sep 2026
9 h 5 m
1 stop
LA
LA
$ 163

Porto Alegre — Buenos Aires

05:10—15:45
15 Sep 2026
10 h 35 m
1 stop
LA
LA
$ 163

Porto Alegre — Buenos Aires

04:45—15:45
15 Sep 2026
11 h
1 stop
LA
LA
$ 163

Porto Alegre — Buenos Aires

20:25—09:25
29 Aug 2026
13 h
1 stop
LA
LA
$ 163

Porto Alegre — Buenos Aires

20:25—10:30
29 Aug 2026
14 h 5 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Porto Alegre to Buenos Aires?

The price of a flight from Porto Alegre to Buenos Aires changes depending on how far ahead you book. For the best chance of a lower fare, book around 25 days before departure, when the average ticket costs about $1,257. Fares also tend to climb as the departure date gets closer.

About the Porto Alegre — Buenos Aires flight

Looking for cheap flights from Porto Alegre to Buenos Aires? Compare fares from different airlines, check the flight schedule and travel time — and book your Porto Alegre — Buenos Aires ticket online at the best price.

The route has direct flights — around 24 flights per week, flights are operated by Aerolineas Argentinas, Latam Airlines Group, GOL Linhas Aéreas, a nonstop flight takes about 1 h 50 min, the distance between the cities is around 844 km.

Planning your trip? You may find our Buenos Aires travel guide, how to get from the airport into town and Buenos Aires weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $95Min. price
OctoberCheapest
SeptemberPeak season
YesDirect flights
844 kmDistance
1 h 50 minTravel time
3Airlines
24 / wkFlights

Flight schedule from Porto Alegre to Buenos Aires

The table shows direct flights from Porto Alegre to Buenos Aires on the selected date. The flight takes approximately 1 h 50 min. Regular flights are operated by Aerolineas Argentinas, Latam Airlines Group and GOL Linhas Aéreas. Departures from Salgado Filho International Airport airports, arrivals at Jorge Newbery Airport and Ministro Pistarini Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Porto Alegre — Buenos Aires

Below is a calendar of the lowest flight ticket prices for Porto Alegre — Buenos Aires by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $95 in October, and the most expensive are around $151 in September. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Porto Alegre to Buenos Aires by month. Tickets are usually cheapest in May (around $139) and priciest in July (about $200) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$185highMay$139lowSep$146low
Feb$176highJun$139lowOct$154medium
Mar$154mediumJul$200highNov$149medium
Apr$176highAug$170mediumDec$176high

Some values are estimated based on seasonality.

When to fly

Weather in Buenos Aires: it is warmest in January (up to 29 °C on average) and coolest in July (around 14 °C). The driest month is May.

Tickets are usually cheapest in October and most expensive in September. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Buenos Aires

Dry and wet days · Buenos Aires

Wind speed and direction · Buenos Aires

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How to get the best deal on a Porto Alegre — Buenos Aires ticket

  • Book ahead: fares for Porto Alegre — Buenos Aires are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Buenos Aires is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Porto Alegre — Buenos Aires route are operated by 3 airlines; Aerolineas Argentinas runs the most flights (around 46% of all flights). Compare carriers, flight shares and schedules below.

  • Aerolineas ArgentinasAR
    4x/week
    WebsiteFleet: 8411.2M pax/year
    • Direct flight POA → AEP4x/week
      Duration
      1h 55m
      Days
      MTWTFSS
    45.8%Open →
  • Latam Airlines GroupLA
    2x/week
    WebsiteFleet: 34782M pax/year
    • Direct flight POA → AEP2x/week
      Duration
      1h 51m
      Days
      MTWTFSS
    29.2%Open →
  • GOL Linhas AéreasG3
    2x/week
    WebsiteFleet: 13830M pax/year
    • Direct flight POA → AEP2x/week
      Duration
      1h 50m
      Days
      MTWTFSS
    25.0%Open →

Cities and airports on the Porto Alegre — Buenos Aires route

Flights Porto Alegre — Buenos Aires depart from Salgado Filho International Airport and arrive at Jorge Newbery Airport and Ministro Pistarini Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Porto Alegre

POA
Brazil
About the cityHow to get thereWeatherAll about the country Brazil
Arrival

Buenos Aires

BUE
Argentina
About the cityHow to get thereWeatherAll about the country Argentina
Departure airports
Arrival airports

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Frequently asked questions about the Porto Alegre — Buenos Aires flight

How long is the flight from Porto Alegre to Buenos Aires?

A nonstop Porto Alegre — Buenos Aires flight takes about 1 h 50 min — the distance between the cities is around 844 km.

How far is it from Porto Alegre to Buenos Aires?

The distance from Porto Alegre to Buenos Aires is about 844 km, which a nonstop flight covers in around 1 h 50 min.

Are there direct flights from Porto Alegre to Buenos Aires?

Yes, there are nonstop flights Porto Alegre — Buenos Aires — around 24 flights per week.

Which airlines fly from Porto Alegre to Buenos Aires?

Airlines operating Porto Alegre — Buenos Aires include Aerolineas Argentinas, Latam Airlines Group, GOL Linhas Aéreas. See the full list with schedules in the "Airlines" section on this page.

Which airports do Porto Alegre — Buenos Aires flights use?

Flights from Porto Alegre depart from Salgado Filho International Airport, and arrive at Jorge Newbery Airport, Ministro Pistarini Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Porto Alegre to Buenos Aires?

The price of a Porto Alegre — Buenos Aires ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in September. Tickets typically cost between $95 and $151. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Porto Alegre — Buenos Aires?

Flights Porto Alegre — Buenos Aires are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Porto Alegre to Buenos Aires?

To catch a low fare Porto Alegre — Buenos Aires, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Porto Alegre

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Sao PauloRio de JaneiroCuritibaBrasiliaBelo HorizonteFlorianopolisRecifePanama CitySantiagoSanto AngeloSalvadorLimaLisbonUruguaianaPelotasSanta Maria

Where else you can fly from Buenos Aires

See all
Sao PauloCordobaRio de JaneiroSantiagoMendozaPuerto IguazuBarilocheSaltaNeuquénUshuaiaSan Miguel de TucumánFlorianopolisAsunciónLimaMadridEl CalafateBogotaPanama CityComodoro RivadaviaMiamiSan Salvador de JujuyPosadasRosarioMontevideoPunta CanaResistenciaMar del PlataNew York CitySanta Cruz de la SierraSalvadorBarcelonaRomeRecifeBrasiliaAtlantaPunta del EsteSan Martín de los AndesFrankfurt am MainBahia BlancaCuritiba

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