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

Return flights

03 Aug - 19 Aug	LATAM Airlines Group
09 Aug - 10 Sep	LATAM Airlines Group
01 Aug - 22 Aug	LATAM Airlines Group
07 Aug - 26 Aug	LATAM Airlines Group
08 Aug - 27 Aug	LATAM Airlines Group
17 Aug - 31 Aug	LATAM Airlines Group
06 Aug - 26 Aug	Iberia
18 Aug - 30 Aug	JetSmart
24 Aug - 16 Sep	LATAM Airlines Group
06 Aug - 23 Aug	LATAM Airlines Group
12 Aug - 27 Aug	Iberia
06 Aug - 20 Aug	Iberia
25 Aug - 13 Sep	Iberia
24 Aug - 13 Sep	Iberia
29 Aug - 16 Sep	LATAM Airlines Group
01 Aug - 01 Sep	LATAM Airlines Group
23 Aug - 17 Sep	LATAM Airlines Group
22 Aug - 15 Sep	LATAM Airlines Group
13 Aug - 08 Sep	Iberia
21 Aug - 20 Sep	Iberia For Level

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

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Cheapest return flights from Buenos Aires to Lisbon in August from 883€

Return flights