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

Return flights

03 Aug - 18 Aug	Iberia
05 Aug - 18 Aug	Iberia
10 Aug - 25 Aug	Air Europa
11 Aug - 24 Aug	Air Europa
11 Aug - 29 Aug	Air Europa
12 Aug - 01 Sep	Iberia
18 Aug - 02 Sep	Iberia
12 Aug - 23 Aug	Iberia
04 Aug - 23 Aug	Iberia
06 Aug - 26 Aug	Iberia
26 Aug - 15 Sep	Iberia
24 Aug - 04 Sep	Iberia
02 Aug - 13 Aug	Iberia
22 Aug - 03 Sep	Lufthansa
15 Aug - 25 Aug	Lufthansa
15 Aug - 03 Sep	Lufthansa
20 Aug - 02 Sep	Iberia
28 Aug - 16 Sep	Iberia
19 Aug - 13 Sep	Lufthansa
22 Aug - 12 Sep	LATAM Airlines Group

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 919€

Return flights