AirHint found the following cheapest one-way flights from Mexico City (MEX) to Buenos Aires (AEP) in May 2026 (see full year).
One-Way flights
| 04 May | Avianca | ||
| 11 May | Avianca | ||
| 28 May | Avianca | ||
| 15 May | Avianca | ||
| 17 May | Avianca | ||
| 12 May | Avianca | ||
| 18 May | Arajet | ||
| 31 May | Avianca | ||
| 27 May | Avianca | ||
| 24 May | Arajet |
Also check the deals for return 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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