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
| 30 Sep | Avianca | ||
| 01 Sep | Avianca | ||
| 05 Sep | Avianca |
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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