AirHint found the following cheapest return flights from Barcelona (BCN) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

03 Dec - 08 Dec	Delta
11 Dec - 25 Jan	Air Canada
04 Dec - 31 Jan	Air Canada
28 Dec - 28 Jan	Delta
28 Dec - 27 Jan	Delta
29 Dec - 27 Jan	Delta
03 Dec - 28 Jan	Delta
03 Dec - 29 Jan	Delta
09 Dec - 27 Jan	Delta
31 Dec - 25 Jan	Iberia
04 Dec - 08 Dec	Delta
08 Dec - 15 Jan	Delta
07 Dec - 26 Dec	Delta
02 Dec - 09 Dec	LATAM Airlines Group
02 Dec - 13 Dec	LATAM Airlines Group
03 Dec - 14 Dec	Delta
09 Dec - 26 Dec	Delta
04 Dec - 15 Dec	LATAM Airlines Group
10 Dec - 26 Dec	Delta
03 Dec - 28 Dec	Delta

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

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 December from $968

Return flights