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

Return flights

10 Jul - 24 Jul	KLM
10 Jul - 23 Jul	KLM
07 Jul - 23 Jul	KLM
07 Jul - 11 Jul	Air France
12 Jul - 30 Jul	LATAM Airlines Group
15 Jul - 29 Jul	Air France
09 Jul - 16 Jul	Air France
13 Jul - 31 Jul	Air Europa
16 Jul - 23 Jul	LATAM Airlines Group
19 Jul - 26 Jul	LATAM Airlines Group
23 Jul - 18 Aug	Air France
16 Jul - 28 Aug	LATAM Airlines Group
14 Jul - 28 Aug	Iberia
18 Jul - 02 Aug	LATAM Airlines Group
18 Jul - 28 Aug	LATAM Airlines Group
24 Jul - 06 Aug	Ryanair
17 Jul - 28 Aug	Iberia
15 Jul - 15 Aug	Air Europa

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

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 Lisbon to Buenos Aires in July from 1010€

Return flights