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

Return flights

20 Mar - 08 Apr	Avianca
22 Mar - 30 Mar	Avianca
11 Mar - 29 Mar	Avianca
16 Mar - 08 Apr	Avianca
31 Mar - 15 Apr	Avianca
12 Mar - 17 Mar	ITA Airways
05 Mar - 17 Mar	ITA Airways
09 Mar - 17 Mar	ITA Airways
13 Mar - 17 Mar	ITA Airways
05 Mar - 16 Mar	Delta
03 Mar - 16 Mar	Delta
02 Mar - 16 Mar	Delta
09 Mar - 16 Mar	Delta
17 Mar - 22 Apr	Delta
25 Mar - 22 Apr	Delta
21 Mar - 02 Apr	LATAM Airlines Group
16 Mar - 09 Apr	Avianca
04 Mar - 08 Apr	Avianca
23 Mar - 22 Apr	Avianca
20 Mar - 03 Apr	Avianca

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 675€

Return flights