AirHint found the following cheapest one-way flights from Sydney (SYD) to Mexico City (MEX) in December 2025 (see full year).
One-Way flights
| 08 Dec | Qantas | ||
| 04 Dec | Delta | ||
| 01 Dec | Delta | ||
| 25 Dec | Delta | ||
| 14 Dec | Fiji Airways | ||
| 22 Dec | Fiji Airways | ||
| 18 Dec | Fiji Airways | ||
| 13 Dec | China Southern |
Also check the deals for return flights from Sydney to Mexico City in December.
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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