Cheapest return flights from Lisbon to Buenos Aires in October from $1057

AirHint found the following cheapest return flights from Lisbon (LIS) to Buenos Aires (AEP) in October 2025 (see full year).

Return flights

23 Oct - 13 Nov LATAM Airlines Group
31 Oct - 10 Nov Royal Air Maroc
14 Oct - 20 Nov Azul Airlines
09 Oct - 13 Oct TAP
02 Oct - 18 Oct TAP
16 Oct - 31 Oct TAAG Angola Airlines
20 Oct - 08 Nov TAP
24 Oct - 31 Oct LATAM Airlines Group
31 Oct - 07 Nov Royal Air Maroc
04 Oct - 18 Oct TAP
03 Oct - 12 Oct TAP
15 Oct - 25 Oct LATAM Airlines Group
23 Oct - 07 Nov LATAM Airlines Group
31 Oct - 08 Nov Vueling Airlines

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

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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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