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 - 13 May	Arajet
06 May - 12 May	Arajet
11 May - 19 May	Arajet
06 May - 19 May	Arajet
06 May - 16 May	Arajet
11 May - 20 May	Arajet
20 May - 27 May	Arajet
11 May - 16 May	Arajet
21 May - 03 Jun	Arajet
24 May - 27 May	Arajet
04 May - 22 May	Arajet
31 May - 14 Jun	Avianca
28 May - 08 Jun	Avianca
31 May - 07 Jun	Avianca
17 May - 02 Jun	Viva
17 May - 01 Jun	Viva
17 May - 04 Jun	Viva
11 May - 01 Jun	Viva
28 May - 02 Jun	Viva
16 May - 02 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 521€

Return flights