Cheapest one-way flights from Porto Alegre to Buenos Aires in October from $74

AirHint found the following cheapest one-way flights from Porto Alegre (POA) to Buenos Aires (AEP) in October 2025 (see full year).

One-Way flights

02 Oct Aerolineas Argentinas direct
04 Oct Aerolineas Argentinas direct
09 Oct Aerolineas Argentinas direct
21 Oct Aerolineas Argentinas direct
25 Oct Aerolineas Argentinas direct
23 Oct Aerolineas Argentinas direct
18 Oct Aerolineas Argentinas direct
27 Oct LATAM Airlines Group direct
15 Oct LATAM Airlines Group
05 Oct LATAM Airlines Group

Also check the deals for return flights from Porto Alegre to Buenos Aires in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.