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

Return flights

06 May - 19 May	Arajet
06 May - 12 May	Arajet
11 May - 20 May	Arajet
20 May - 10 Jun	Arajet
01 May - 16 May	LATAM Airlines Group
01 May - 15 May	Avianca
02 May - 20 May	Avianca
08 May - 16 May	LATAM Airlines Group
01 May - 18 May	Avianca
01 May - 12 May	LATAM Airlines Group
12 May - 19 May	LATAM Airlines Group
28 May - 07 Jun	LATAM Airlines Group
28 May - 07 Jun	Aeromexico	direct
15 May - 01 Jun	Viva
15 May - 02 Jun	Viva
18 May - 01 Jun	Viva
18 May - 02 Jun	Viva
28 May - 01 Jun	Viva
28 May - 02 Jun	Viva
17 May - 01 Jun	Viva

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 $570

Return flights