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

Return flights

20 Jan - 31 Jan	Avianca
15 Jan - 05 Feb	LATAM Airlines Group
19 Jan - 04 Feb	Avianca
24 Jan - 03 Feb	Avianca
28 Jan - 12 Feb	Avianca
26 Jan - 23 Feb	Avianca
26 Jan - 08 Feb	Avianca
21 Jan - 08 Feb	Avianca
02 Jan - 31 Jan	Aerolineas Argentinas
30 Jan - 18 Feb	Avianca
20 Jan - 07 Feb	Avianca
28 Jan - 14 Feb	Avianca
17 Jan - 30 Jan	LATAM Airlines Group
18 Jan - 31 Jan	Avianca
16 Jan - 27 Jan	Avianca
13 Jan - 31 Jan	Avianca
13 Jan - 29 Jan	Avianca
01 Jan - 27 Jan	Avianca
15 Jan - 31 Jan	Avianca
14 Jan - 26 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 1231€

Return flights