Cheapest return flights from Lisbon to Buenos Aires in August from $1225

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 August 2025 (see full year).

Return flights

17 Aug - 15 Sep Azul Airlines
31 Aug - 10 Sep LATAM Airlines Group
14 Aug - 24 Aug LATAM Airlines Group
21 Aug - 11 Sep SWISS
09 Aug - 17 Aug LATAM Airlines Group
16 Aug - 03 Sep Vueling Airlines
08 Aug - 15 Aug Vueling Airlines
04 Aug - 17 Aug SWISS

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

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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