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

Return flights

19 Mar - 25 Mar	Avianca
04 Mar - 13 Mar	Avianca
18 Mar - 26 Mar	Avianca
09 Mar - 18 Mar	Avianca
09 Mar - 16 Mar	Avianca
17 Mar - 26 Mar	Avianca
11 Mar - 19 Mar	Avianca
11 Mar - 18 Mar	Avianca
09 Mar - 19 Mar	Avianca
13 Mar - 25 Mar	Avianca
14 Mar - 25 Apr	Avianca
20 Mar - 12 Apr	LATAM Airlines Group
12 Mar - 11 Apr	Avianca
25 Mar - 11 Apr	Avianca
11 Mar - 30 Apr	LATAM Airlines Group
27 Mar - 10 Apr	LATAM Airlines Group
24 Mar - 07 Apr	LATAM Airlines Group
26 Mar - 10 Apr	Avianca
21 Mar - 04 Apr	LATAM Airlines Group
23 Mar - 08 Apr	LATAM Airlines Group

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 529€

Return flights