Cheapest one-way flights from Lisbon to Buenos Aires in May from $430

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

One-Way flights

12 May Azul Airlines
03 May LATAM Airlines Group
09 May LATAM Airlines Group
04 May LATAM Airlines Group
02 May LATAM Airlines Group
15 May LATAM Airlines Group
07 May LATAM Airlines Group
10 May LATAM Airlines Group
20 May Air Canada
19 May Air Canada

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

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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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