Cheapest one-way flights from Barcelona to Buenos Aires in December from 396€

AirHint found the following cheapest one-way flights from Barcelona (BCN) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

31 Dec Avianca
08 Dec Royal Air Maroc
06 Dec Royal Air Maroc
02 Dec LATAM Airlines Group
07 Dec Wizz Air Malta
04 Dec Royal Air Maroc
03 Dec Royal Air Maroc
29 Dec Ryanair
01 Dec Royal Air Maroc
05 Dec ITA Airways

Also check the deals for return flights from Barcelona to Buenos Aires in December.

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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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