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

Return flights

13 May - 20 May	Arajet
06 May - 20 May	Arajet
06 May - 19 May	Arajet
06 May - 16 May	Arajet
07 May - 13 May	Arajet
07 May - 16 May	Arajet
15 May - 30 May	Avianca
19 May - 30 May	Avianca
01 May - 08 May	Avianca
08 May - 15 May	Avianca

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 446€

Return flights