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

Return flights

15 Jan - 08 Feb	Air Canada
15 Jan - 07 Feb	Air Canada
28 Jan - 25 Feb	Avianca
28 Jan - 13 Feb	Avianca
28 Jan - 22 Feb	Avianca
28 Jan - 17 Feb	Avianca
22 Jan - 18 Feb	Vueling Airlines
22 Jan - 09 Feb	Vueling Airlines
18 Jan - 06 Feb	LEVEL
26 Jan - 05 Feb	Vueling Airlines
22 Jan - 29 Jan	Vueling Airlines
19 Jan - 29 Jan	Vueling Airlines
12 Jan - 29 Jan	Vueling Airlines
19 Jan - 28 Jan	Vueling Airlines
16 Jan - 27 Jan	Ryanair
17 Jan - 28 Jan	LATAM Airlines Group
19 Jan - 30 Jan	Vueling Airlines
16 Jan - 25 Jan	Ryanair
11 Jan - 25 Jan	LEVEL
19 Jan - 23 Jan	Vueling Airlines

Also check the deals for one-way flights from Barcelona to Buenos Aires 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 Barcelona to Buenos Aires in January from $948

Return flights