Cheapest one-way flights from Lisbon to Buenos Aires in August from $619

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Buenos Aires (AEP) in August 2026 (see full year).

One-Way flights

17 Aug TAP
25 Aug Azul Airlines
16 Aug Azul Airlines
14 Aug Azul Airlines
26 Aug LATAM Airlines Group
28 Aug LATAM Airlines Group
18 Aug LATAM Airlines Group
22 Aug LATAM Airlines Group
31 Aug LATAM Airlines Group
24 Aug LATAM Airlines Group

Also check the deals for return flights from Lisbon to Buenos Aires in August.

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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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