AirHint found the following cheapest return flights from Mexico City (MEX) to Kathmandu (KTM) in December 2025 (see full year).
Return flights
| 01 Dec - 12 Dec | Aeromexico | ||
| 24 Dec - 07 Jan | Aeromexico | ||
| 24 Dec - 31 Dec | Austrian Airlines | ||
| 12 Dec - 26 Dec | Volaris |
Also check the deals for one-way flights from Mexico City to Kathmandu in December.
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