Aerolineas ArgentinasDepart18:30
Thu, Dec 24AEP → POA
1h 40m · Direct
$198one way, per person
View deal
- Cheapest fare
- $198
- Cheapest month
- December
- Direct flights
- Yes
- Flight time
- 1h 40m
Aerolineas Argentinas · Thu, Dec 24
from $198
Aerolineas Argentinas
840 km
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Cheapest month to fly from Buenos Aires to Porto Alegre
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
Aerolineas ArgentinasPlan the rest of your trip to Porto Alegre
Where to stay, what to do and getting around, from our travel partners.
Getting around
About flights from Buenos Aires to Porto Alegre
Buenos Aires (BUE) and Porto Alegre (POA) are about 840 km apart. Direct flights take around 1h 40m, and recent direct fares were with Aerolineas Argentinas. Over the next few months, one-way fares start from $198, and December 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 Buenos Aires to Porto Alegre?
The cheapest one-way fare we've seen recently is $198 with Aerolineas Argentinas, departing Thursday, December 24, 2026. Over the coming months, the lowest fare in each month ranges from $198 to $217.
What is the cheapest month to fly from Buenos Aires to Porto Alegre?
December 2026 currently has the lowest fares, from $198 one way.
Are there direct flights from Buenos Aires to Porto Alegre?
Yes. Recent direct fares were with Aerolineas Argentinas.
How long is the flight from Buenos Aires to Porto Alegre?
A direct flight takes about 1h 40m. Buenos Aires and Porto Alegre are around 840 km apart.
Which airlines fly from Buenos Aires to Porto Alegre?
Recent fares on this route were with Aerolineas Argentinas and JetSmart.
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