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

Return flights

13 May - 27 May	Air Canada
11 May - 27 May	Air Canada
07 May - 17 May	Air Canada
13 May - 24 May	Air Canada
28 May - 09 Jun	LATAM Airlines Group
17 May - 28 May	LATAM Airlines Group
04 May - 15 May	Air Canada
08 May - 27 May	LATAM Airlines Group
07 May - 20 May	GOL Linhas Aéreas
30 May - 13 Jun	Flybondi
10 May - 22 May	Flybondi
10 May - 26 May	Flybondi
21 May - 04 Jun	LATAM Airlines Group
27 May - 12 Jun	LATAM Airlines Group
26 May - 15 Jun	LATAM Airlines Group
28 May - 10 Jun	LATAM Airlines Group
25 May - 09 Jun	LATAM Airlines Group
17 May - 02 Jun	Iberia
26 May - 08 Jun	LATAM Airlines Group
15 May - 02 Jun	LATAM Airlines Group

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

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 May from 815€

Return flights