$111 Find Cheap Flights from Porto Alegre to Buenos Aires - Compare and Save

Among airlines operating Porto Alegre to Buenos Aires flights:

• LATAM Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Porto Alegre and Buenos Aires. The airlines offering nonstop flights on this route include:

• Aerolineas Argentinas
• LATAM Airlines

Flights from Porto Alegre to Buenos Aires usually depart from Porto Alegre Salgado Filho (POA) and may arrive at several airports in Buenos Aires area, including Buenos Aires Jorge Newbery (AEP) and Buenos Aires Ministro Pistarini (EZE).

Here are some options for this route, based on selected ticket types and cabin classes:

• LATAM Airlines: a cabin bag and a checked bag in Economy Class
• Aerolineas Argentinas: a cabin bag and a checked bag in Premium Economy Class
• GOL: a cabin bag and a checked bag in Premium Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Porto Alegre to Buenos Aires.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $294 round-trip, compared to $367 via a layover through Sao Paulo Guarulhos Intl (GRU).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Connecting flights from Porto Alegre to Buenos Aires most commonly pass through:

• Sao Paulo Guarulhos Intl (GRU) - 67% of one-stop connections
• Rio de Janeiro–Galeão Intl (GIG) - 33% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 10% on the Porto Alegre to Buenos Aires route. Tuesday is the cheapest departure day at $298 round-trip on average, while Sunday is the most expensive at $331, a difference of $33. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Porto Alegre to Buenos Aires route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 14 minutes.

Morning is the busiest departure period on Porto Alegre to Buenos Aires flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Buenos Aires are Obelisco de Buenos Aires, Estadio Monumental and Microcentro. These are among the most viewed places in Buenos Aires on KAYAK.

These are the earliest and latest flight times available from Porto Alegre to Buenos Aires:

• Earliest: departs at 7:10 am and lands at 9:02 am
• Latest: departs at 9:05 pm and lands at 10:57 pm.

The flight takes about 1h 52m.

Last-minute fares on this route - booked within 2 weeks of departure - run 7% above the route average of $306. Book 13 weeks before departure for the lowest fares.

A nonstop flight from Porto Alegre to Buenos Aires takes 1h 52m, covering 528 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $360 to $1,367. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Porto Alegre to Buenos Aires are currently higher than usual. Average one-way flight prices are about $152, which is 17% above the typical average for this route.

GOL is slightly above the route average for timely arrivals, while LATAM Airlines has a lower on-time arrival rate. On-time arrival rates on Porto Alegre to Buenos Aires flights are:

• GOL: 100% on time
• LATAM Airlines: 86% on time
• Aerolineas Argentinas: 86% on time

Overall, flights on this route are on time 89% of the time on average.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Sao Paulo Guarulhos Intl (GRU) gives the shortest average 1-stop total travel time at 9h 23m, compared with 12h 54m via Rio de Janeiro–Galeão Intl (GIG).

Since Buenos Aires is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Buenos Aires Ministro Pistarini Airport (EZE) — daily rates from around $15:

· Hertz
· Rentacar
· Street Rent a Car
· Alamo
· Localiza

Near Buenos Aires Jorge Newbery Airport (AEP) — daily rates from around $25:

· Alamo
· Hertz
· Localiza
· Rentacar
· Europcar

Round-trip flights from Porto Alegre to Buenos Aires range from $249 to $380, with an average of $306 over the past 12 months. Anything below $249 counts as a good deal.