AirHint found the following cheapest return flights from Madrid (MAD) to Buenos Aires (AEP) in March 2026 (see full year).

Return flights

03 Mar - 24 Mar	Azul Airlines
03 Mar - 10 Mar	Azul Airlines
03 Mar - 17 Mar	Azul Airlines
03 Mar - 16 Mar	Azul Airlines
03 Mar - 15 Mar	Azul Airlines
10 Mar - 24 Mar	Azul Airlines
01 Mar - 10 Mar	Azul Airlines
01 Mar - 24 Mar	Azul Airlines
01 Mar - 15 Mar	Azul Airlines
03 Mar - 14 Mar	Azul Airlines
23 Mar - 08 Apr	Iberia
21 Mar - 07 Apr	Ryanair
25 Mar - 08 Apr	TAP
26 Mar - 05 Apr	TAP
28 Mar - 12 Apr	TAP
28 Mar - 05 Apr	TAP
27 Mar - 11 Apr	Ryanair
21 Mar - 04 Apr	Royal Air Maroc
19 Mar - 19 Apr	Azul Airlines
27 Mar - 04 Apr	Royal Air Maroc

Also check the deals for one-way flights from Madrid to Buenos Aires in March.

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 Madrid to Buenos Aires in March from $949

Return flights