Cheapest one-way flights from Madrid to Buenos Aires in December from $563

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

One-Way flights

04 Dec Ryanair
03 Dec Vueling Airlines
31 Dec Azul Airlines
30 Dec Azul Airlines
07 Dec Azul Airlines
10 Dec Azul Airlines
02 Dec Iberia
08 Dec Ryanair
31 Dec Aerolíneas Argentinas direct
11 Dec Ryanair

Also check the deals for return flights from Madrid 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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