Cheapest return flights from Lisbon to Buenos Aires in October from $1027

Best time to book flights for Lisbon (LIS) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Lisbon (LIS) to Buenos Aires (AEP) in October 2025 (see full year).

Return flights

08 Oct - 22 Oct LATAM Airlines Group
12 Oct - 10 Nov LATAM Airlines Group
10 Oct - 18 Oct LATAM Airlines Group
11 Oct - 31 Oct LATAM Airlines Group
10 Oct - 24 Oct LATAM Airlines Group
13 Oct - 10 Nov Azul Airlines
03 Oct - 26 Oct LATAM Airlines Group
03 Oct - 22 Oct LATAM Airlines Group
15 Oct - 28 Oct SWISS
29 Oct - 08 Nov SWISS
30 Oct - 08 Nov SWISS
20 Oct - 26 Oct SWISS
08 Oct - 12 Oct SWISS

Also check the deals for one-way flights from Lisbon to Buenos Aires in October.

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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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