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 - 19 May	Arajet
11 May - 20 May	Arajet
06 May - 14 May	Arajet
27 May - 03 Jun	Arajet
04 May - 30 May	Arajet
04 May - 14 May	Arajet
07 May - 16 May	Arajet
14 May - 27 May	Arajet
23 May - 06 Jun	Arajet
17 May - 28 May	Avianca
15 May - 28 May	Avianca
27 May - 01 Jun	Avianca
20 May - 10 Jun	Arajet
28 May - 10 Jun	Arajet
28 May - 06 Jun	Avianca
30 May - 09 Jun	Aeromexico
20 May - 06 Jun	Avianca
24 May - 07 Jun	Avianca
18 May - 10 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 504€

Return flights