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

Return flights

11 Mar - 17 Mar	Avianca
19 Mar - 26 Mar	Avianca
14 Mar - 17 Mar	Avianca
15 Mar - 26 Mar	Avianca
11 Mar - 16 Mar	Avianca
10 Mar - 17 Mar	Avianca
03 Mar - 11 Mar	Avianca
03 Mar - 10 Mar	Avianca
18 Mar - 25 Mar	Avianca
12 Mar - 17 Mar	Avianca
30 Mar - 08 Apr	LATAM Airlines Group
16 Mar - 01 Apr	Avianca
23 Mar - 08 Apr	Avianca
30 Mar - 17 Apr	Avianca
30 Mar - 13 Apr	Avianca
18 Mar - 08 Apr	LATAM Airlines Group
19 Mar - 03 Apr	LATAM Airlines Group
26 Mar - 05 Apr	LATAM Airlines Group
23 Mar - 03 Apr	LATAM Airlines Group
30 Mar - 10 Apr	Avianca

Also check the deals for one-way flights from Mexico City 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 Mexico City to Buenos Aires in March from 527€

Return flights