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

Return flights

20 May - 30 May	Arajet
19 May - 26 May	Avianca
04 May - 08 May	Avianca
11 May - 27 May	Avianca
17 May - 25 May	Avianca
06 May - 17 May	Avianca
01 May - 09 May	Avianca
11 May - 25 May	Avianca
01 May - 11 May	Avianca
16 May - 23 May	Avianca
21 May - 01 Jun	Arajet

Also check the deals for one-way flights from Mexico City to Buenos Aires in May.

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 May from 679€

Return flights