Cheapest return flights from Lisbon to Buenos Aires in May from $967

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

Return flights

01 May - 30 May Iberia
07 May - 21 May Air Europa
13 May - 27 May Air Europa
08 May - 31 May LATAM Airlines Group
11 May - 31 May LATAM Airlines Group
01 May - 31 May LATAM Airlines Group
07 May - 31 May LATAM Airlines Group
11 May - 02 Jun LATAM Airlines Group
11 May - 01 Jun LATAM Airlines Group
28 May - 09 Jun LATAM Airlines Group
05 May - 04 Jun LATAM Airlines Group
05 May - 09 May Ryanair
15 May - 22 May TAP
02 May - 10 May Air Europa
22 May - 14 Jun Iberia
10 May - 07 Jun Royal Air Maroc
25 May - 05 Jun LATAM Airlines Group
18 May - 07 Jun LATAM Airlines Group

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

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