Cheapest one-way flights from Lisbon to Buenos Aires in May from $450

Best time to book flights for Lisbon (LIS) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest one-way flights from Lisbon (LIS) to Buenos Aires (AEP) in May 2025 (see full year).

One-Way flights

20 May LATAM Airlines Group
13 May LATAM Airlines Group
11 May TAP
12 May TAP
15 May TAP
10 May LATAM Airlines Group
25 May Azul Airlines
26 May Azul Airlines
18 May Azul Airlines
24 May Azul Airlines

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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