AirHint found the following cheapest return flights from Lisbon (LIS) to Buenos Aires (EZE) in August 2026 (see full year).

Return flights

05 Aug - 26 Aug	Iberia
04 Aug - 02 Sep	Iberia
05 Aug - 02 Sep	Iberia
05 Aug - 04 Sep	Iberia
14 Aug - 28 Aug	Iberia
05 Aug - 03 Sep	Iberia
05 Aug - 05 Sep	Iberia
04 Aug - 03 Sep	Iberia
05 Aug - 06 Sep	Iberia

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Lisbon to Buenos Aires in August from $1475

Return flights