LATAM Airlines GroupDepart07:15
Fri, Nov 13POA → AEP
1h 45m · Direct
$165one way, per person
View deal
- Cheapest fare
- $165
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 45m
LATAM Airlines Group · Fri, Nov 13
from $165
LATAM Airlines Group and Aerolineas Argentinas
840 km
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Cheapest month to fly from Porto Alegre to Buenos Aires
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
LATAM Airlines Group
Aerolineas ArgentinasDepart21:05
Thu, Nov 12POA → AEP
1h 55m · Direct
$171one way, per person
View deal
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Getting around
About flights from Porto Alegre to Buenos Aires
Porto Alegre (POA) and Buenos Aires (BUE) are about 840 km apart. Direct flights take around 1h 45m, and recent direct fares were with LATAM Airlines Group and Aerolineas Argentinas. Over the next few months, one-way fares start from $165, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Porto Alegre to Buenos Aires?
The cheapest one-way fare we've seen recently is $165 with LATAM Airlines Group, departing Friday, November 13, 2026.
What is the cheapest month to fly from Porto Alegre to Buenos Aires?
November 2026 currently has the lowest fares, from $165 one way.
Are there direct flights from Porto Alegre to Buenos Aires?
Yes. Recent direct fares were with LATAM Airlines Group and Aerolineas Argentinas.
How long is the flight from Porto Alegre to Buenos Aires?
A direct flight takes about 1h 45m. Porto Alegre and Buenos Aires are around 840 km apart.
Which airlines fly from Porto Alegre to Buenos Aires?
Recent fares on this route were with LATAM Airlines Group and Aerolineas Argentinas.
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