Cheapest one-way flights from Lisbon to Buenos Aires in December from 550€

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

One-Way flights

06 Dec Ryanair
31 Dec LATAM Airlines Group
05 Dec TAP
28 Dec LATAM Airlines Group
07 Dec Ryanair
09 Dec Royal Air Maroc
10 Dec Royal Air Maroc
11 Dec Royal Air Maroc
08 Dec Royal Air Maroc
29 Dec LATAM Airlines Group

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

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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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