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

Return flights

07 May - 20 May	Air Canada
06 May - 27 May	Air Canada
13 May - 27 May	Air Canada
04 May - 26 May	Air Canada
11 May - 25 May	GOL Linhas Aéreas
26 May - 12 Jun	Avianca
04 May - 15 May	LEVEL
04 May - 18 May	LEVEL
29 May - 08 Jun	LEVEL
01 May - 12 May	LEVEL
06 May - 18 May	LEVEL
24 May - 12 Jun	GOL Linhas Aéreas
05 May - 19 May	LEVEL
26 May - 08 Jun	LEVEL
25 May - 08 Jun	Avianca
21 May - 02 Jun	GOL Linhas Aéreas
20 May - 05 Jun	Avianca
29 May - 04 Jun	LEVEL
06 May - 09 Jun	GOL Linhas Aéreas
21 May - 10 Jun	Avianca

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 807€

Return flights