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 - 03 Jun	Arajet
11 May - 19 May	Arajet
06 May - 19 May	Arajet
06 May - 16 May	Arajet
20 May - 10 Jun	Arajet
15 May - 30 May	Avianca
14 May - 23 May	Avianca
12 May - 23 May	Avianca
13 May - 23 May	Avianca
01 May - 28 May	Avianca
02 May - 07 May	Avianca
05 May - 11 May	Avianca
22 May - 06 Jun	Avianca
26 May - 02 Jun	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 452€

Return flights