Cheapest return flights from Mexico City to Buenos Aires in September from $709

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

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

Return flights

08 Sep - 19 Sep Copa
16 Sep - 27 Sep Copa
13 Sep - 21 Sep Copa
01 Sep - 15 Sep Copa
13 Sep - 26 Sep Copa
02 Sep - 17 Sep Copa
23 Sep - 30 Sep Copa
04 Sep - 11 Sep Copa
06 Sep - 13 Sep Copa
10 Sep - 19 Sep Copa
12 Sep - 01 Oct Copa
14 Sep - 01 Oct Copa
15 Sep - 01 Oct Copa
16 Sep - 01 Oct Copa
15 Sep - 31 Oct Copa
20 Sep - 10 Oct Copa
22 Sep - 09 Oct Copa
09 Sep - 09 Oct LATAM Airlines Group
15 Sep - 30 Oct LATAM Airlines Group
10 Sep - 10 Oct Copa

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

Skyscanner

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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