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

Return flights

07 May - 13 May	Arajet
06 May - 13 May	Arajet
13 May - 27 May	Arajet
07 May - 16 May	Arajet
06 May - 16 May	Arajet
06 May - 14 May	Arajet
06 May - 19 May	Arajet
16 May - 23 May	Avianca
11 May - 19 May	Avianca
21 May - 26 May	Avianca
21 May - 01 Jun	Arajet
28 May - 06 Jun	LATAM Airlines Group
21 May - 01 Jun	Aeromexico	direct
28 May - 06 Jun	Aeromexico	direct

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Mexico City to Buenos Aires in May from $726

Return flights