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

Return flights

14 Feb - 25 Feb	Delta
01 Feb - 23 Feb	Delta
13 Feb - 21 Feb	Delta
07 Feb - 19 Feb	Delta
04 Feb - 18 Feb	Delta
02 Feb - 23 Feb	Delta
05 Feb - 01 Mar	Delta
04 Feb - 02 Mar	Delta
02 Feb - 25 Mar	Delta
02 Feb - 09 Feb	Delta
09 Feb - 05 Mar	LATAM Airlines Group
14 Feb - 05 Mar	LATAM Airlines Group

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

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 February from $980

Return flights