Cheapest return flights from Lisbon to Buenos Aires in May from $948

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 May 2025 (see full year).

Return flights

22 May - 29 May LATAM Airlines Group
07 May - 17 May LATAM Airlines Group
26 May - 30 May LATAM Airlines Group
23 May - 25 May LATAM Airlines Group

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

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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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