Cheapest one-way flights from Lisbon to Buenos Aires in April from $584

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Buenos Aires (AEP) in April 2026 (see full year).

One-Way flights

03 Apr LATAM Airlines Group
07 Apr LATAM Airlines Group
30 Apr LATAM Airlines Group
10 Apr LATAM Airlines Group
17 Apr LATAM Airlines Group
04 Apr LATAM Airlines Group
15 Apr LATAM Airlines Group
06 Apr LATAM Airlines Group
27 Apr LATAM Airlines Group
01 Apr LATAM Airlines Group

Also check the deals for return flights from Lisbon to Buenos Aires in April.

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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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