Cheapest return flights from Mexico City to Buenos Aires in May from $621

Best time to book flights for Mexico City (MEX) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Mexico City (MEX) to Buenos Aires (AEP) in May 2025 (see full year).

Return flights

16 May - 26 May Volaris
21 May - 03 Jun Copa
19 May - 26 May Volaris
13 May - 26 May Avianca
13 May - 27 May Volaris
17 May - 27 May Volaris
15 May - 27 May Volaris
17 May - 25 May Volaris
21 May - 04 Jun Volaris
13 May - 20 May Volaris
13 May - 25 May Avianca
15 May - 22 May Avianca
30 May - 09 Jun Volaris
29 May - 06 Jun Volaris
27 May - 03 Jun Volaris
29 May - 07 Jun Volaris
26 May - 11 Jun Volaris
31 May - 15 Jun Avianca
24 May - 02 Jun LATAM Airlines Group
26 May - 07 Jun LATAM Airlines Group

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

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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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