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

One-Way flights

05 Dec	Aerolineas Argentinas
08 Dec	Aerolineas Argentinas
09 Dec	Aerolineas Argentinas
06 Dec	Aerolineas Argentinas
04 Dec	Aerolineas Argentinas
07 Dec	Aerolineas Argentinas
02 Dec	Aerolineas Argentinas
01 Dec	Aerolineas Argentinas
03 Dec	GOL Linhas Aéreas
10 Dec	Aerolineas Argentinas

Also check the deals for return flights from Buenos Aires to Madrid 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 one-way flights from Buenos Aires to Madrid in December from 460€

One-Way flights