Cheapest return flights from Helsinki to Buenos Aires in September from $1478

AirHint found the following cheapest return flights from Helsinki (HEL) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

17 Sep - 28 Sep LATAM Airlines Group
01 Sep - 16 Sep LATAM Airlines Group
24 Sep - 30 Sep LATAM Airlines Group
08 Sep - 12 Sep LATAM Airlines Group

Also check the deals for one-way flights from Helsinki to Buenos Aires in September.

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.

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