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

Return flights

22 Jan - 03 Feb	Aerolineas Argentinas
20 Jan - 03 Feb	Aerolineas Argentinas
21 Jan - 03 Feb	GOL Linhas Aéreas
21 Jan - 05 Feb	Avianca
27 Jan - 08 Feb	Avianca
19 Jan - 25 Jan	Avianca
25 Jan - 08 Feb	Avianca
18 Jan - 01 Feb	Avianca
23 Jan - 10 Feb	Avianca
27 Jan - 10 Feb	Avianca
20 Jan - 01 Feb	Avianca
01 Jan - 15 Jan	JetSmart
11 Jan - 22 Jan	LATAM Airlines Group
14 Jan - 26 Jan	Avianca
12 Jan - 24 Jan	Avianca
13 Jan - 23 Jan	Avianca
13 Jan - 24 Jan	Avianca
01 Jan - 17 Jan	Avianca
01 Jan - 13 Jan	Avianca
04 Jan - 14 Jan	Avianca

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

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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Cheapest return flights from Buenos Aires to Lisbon in January from $1190

Return flights