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

Return flights

22 May - 29 May	Avianca
08 May - 16 May	Avianca
18 May - 28 May	Avianca
03 May - 17 May	Avianca
17 May - 31 May	Avianca
20 May - 28 May	Avianca
20 May - 29 May	Avianca
04 May - 31 May	Avianca
01 May - 16 May	Avianca
20 May - 27 May	Avianca
27 May - 03 Jun	Arajet
21 May - 01 Jun	Arajet
28 May - 01 Jun	Avianca
31 May - 18 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 527€

Return flights