AirHint found the following cheapest one-way flights from Mexico City (MEX) to Sydney (SYD) in December 2025 (see full year).
One-Way flights
| 08 Dec | Volaris | ||
| 09 Dec | Volaris | ||
| 01 Dec | Viva | ||
| 30 Dec | Volaris | ||
| 25 Dec | Viva | ||
| 23 Dec | Aeromexico | ||
| 16 Dec | Hainan Airlines | ||
| 17 Dec | Aeromexico | ||
| 10 Dec | Turkish Airlines | ||
| 26 Dec | Qantas |
Also check the deals for return flights from Mexico City to Sydney in December.
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