Cheapest one-way flights from Madrid to Buenos Aires in March from $434

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

One-Way flights

10 Mar Azul Airlines
19 Mar Avianca
31 Mar Azul Airlines
12 Mar Avianca
11 Mar Avianca
17 Mar Azul Airlines
15 Mar Azul Airlines
05 Mar Avianca
16 Mar Avianca
30 Mar Avianca

Also check the deals for return flights from Madrid to Buenos Aires in March.

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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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