Cheapest return flights from Lisbon to Buenos Aires in October from $1380

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

Return flights

31 Oct - 10 Nov TAP
28 Oct - 02 Nov TAAG Angola Airlines
31 Oct - 09 Nov TAP
30 Oct - 12 Nov LATAM Airlines Group
30 Oct - 08 Nov TAP
31 Oct - 07 Nov LATAM Airlines Group
31 Oct - 08 Nov LATAM Airlines Group
28 Oct - 30 Oct easyJet

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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