Cheapest one-way flights from Mexico City to Buenos Aires in September from $329

AirHint found the following cheapest one-way flights from Mexico City (MEX) to Buenos Aires (EZE) in September 2026 (see full year).

One-Way flights

17 Sep Viva
03 Sep Arajet
21 Sep Arajet
18 Sep Volaris
13 Sep Avianca
25 Sep Avianca
16 Sep Avianca
17 Sep Aeromexico direct
25 Sep Aeromexico direct
19 Sep Aeromexico direct

Also check the deals for return flights from Mexico City to Buenos Aires in September.

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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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