AirHint found the following cheapest one-way flights from Mexico City (MEX) to Buenos Aires (AEP) in September 2026 (see full year).
One-Way flights
| 05 Sep | Avianca | ||
| 11 Sep | Avianca | ||
| 10 Sep | Avianca | ||
| 08 Sep | Avianca | ||
| 20 Sep | Avianca | ||
| 15 Sep | Viva | ||
| 04 Sep | Viva | ||
| 12 Sep | Viva | ||
| 23 Sep | Viva | ||
| 01 Sep | Viva |
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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