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

Return flights

06 May - 13 May	LATAM Airlines Group
03 May - 13 May	LATAM Airlines Group
10 May - 02 Jun	Avianca
15 May - 30 May	Avianca
13 May - 27 May	Aerolíneas Argentinas
25 May - 08 Jun	LATAM Airlines Group
14 May - 30 May	Avianca
25 May - 01 Jun	LATAM Airlines Group
26 May - 08 Jun	Sky Airline
31 May - 14 Jun	Avianca
27 May - 28 May	Aerolíneas Argentinas
11 May - 27 May	Avianca
10 May - 27 May	Avianca
12 May - 27 May	Avianca
09 May - 27 May	Avianca
27 May - 09 Jun	Avianca
27 May - 07 Jun	Avianca
25 May - 09 Jun	Avianca
25 May - 07 Jun	Avianca
26 May - 09 Jun	Avianca

Also check the deals for one-way flights from Buenos Aires to Mexico City 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 Buenos Aires to Mexico City in May from $686

Return flights