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

Return flights

17 Apr - 15 May	Ethiopian Airlines
21 Apr - 12 May	LATAM Airlines Group
13 Apr - 29 Apr	British Airways
24 Apr - 05 May	British Airways
16 Apr - 28 Apr	Air Canada
30 Apr - 20 May	Air Canada
29 Apr - 17 May	Air Canada
22 Apr - 08 May	Air Canada
14 Apr - 30 Apr	British Airways
14 Apr - 24 Apr	British Airways
28 Apr - 09 May	British Airways
27 Apr - 14 May	British Airways
27 Apr - 07 May	British Airways
15 Apr - 04 May	British Airways
12 Apr - 24 Apr	LATAM Airlines Group
06 Apr - 19 Apr	Air Canada
02 Apr - 22 Apr	Air Canada
08 Apr - 21 Apr	Air Canada
10 Apr - 21 Apr	British Airways
17 Apr - 29 Apr	British Airways

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

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 April from $989

Return flights