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	Arajet
04 Mar - 12 Mar	Avianca
05 Mar - 18 Mar	Avianca
03 Mar - 15 Mar	Avianca
07 Mar - 13 Mar	Avianca
03 Mar - 11 Mar	Avianca
03 Mar - 12 Mar	Avianca
03 Mar - 13 Mar	Avianca
03 Mar - 14 Mar	Avianca
20 Mar - 25 Mar	Avianca
20 Mar - 28 Apr	Avianca
24 Mar - 09 Apr	Avianca
16 Mar - 09 Apr	Avianca
25 Mar - 09 Apr	Avianca
26 Mar - 06 Apr	Copa
20 Mar - 04 Apr	LATAM Airlines Group
20 Mar - 11 Apr	LATAM Airlines Group
16 Mar - 08 Apr	LATAM Airlines Group
25 Mar - 06 Apr	Copa
25 Mar - 08 Apr	Copa

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 491€

Return flights