Cheapest return flights from Porto Alegre to Santiago in September from $285

AirHint found the following cheapest return flights from Porto Alegre (POA) to Santiago (SCL) in September 2025 (see full year).

Return flights

28 Sep - 03 Oct LATAM Airlines Group
27 Sep - 01 Oct LATAM Airlines Group
26 Sep - 20 Oct LATAM Airlines Group
28 Sep - 05 Oct LATAM Airlines Group
25 Sep - 07 Oct Aerolineas Argentinas
24 Sep - 28 Sep LATAM Airlines Group
25 Sep - 30 Sep Aerolineas Argentinas
24 Sep - 01 Oct LATAM Airlines Group
24 Sep - 30 Sep LATAM Airlines Group
26 Sep - 08 Oct LATAM Airlines Group
26 Sep - 03 Oct LATAM Airlines Group
24 Sep - 27 Sep LATAM Airlines Group
26 Sep - 26 Sep LATAM Airlines Group
22 Sep - 27 Sep LATAM Airlines Group
21 Sep - 28 Sep LATAM Airlines Group direct
20 Sep - 27 Sep LATAM Airlines Group
24 Sep - 29 Sep LATAM Airlines Group
19 Sep - 26 Sep LATAM Airlines Group

Also check the deals for one-way flights from Porto Alegre to Santiago in September.

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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.

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