Cheapest return flights from Lisbon to Buenos Aires in December from 822€

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

Return flights

01 Dec - 11 Dec Ryanair
02 Dec - 05 Dec Azul Airlines
01 Dec - 09 Dec Ryanair
04 Dec - 10 Dec LATAM Airlines Group
04 Dec - 09 Dec easyJet
01 Dec - 29 Jan Ryanair
04 Dec - 28 Jan Iberia
03 Dec - 10 Dec easyJet
01 Dec - 12 Dec Ryanair
01 Dec - 10 Dec LATAM Airlines Group
31 Dec - 25 Jan LATAM Airlines Group
23 Dec - 26 Jan TAP
31 Dec - 19 Jan Azul Airlines
22 Dec - 30 Jan Ryanair
01 Dec - 22 Dec Ryanair
28 Dec - 20 Jan TAP
08 Dec - 22 Dec LATAM Airlines Group
28 Dec - 16 Jan TAP
27 Dec - 17 Jan Ryanair
10 Dec - 12 Jan Azul Airlines

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

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