AirHint found the following cheapest return flights from Melbourne (MEL) to Mexico City (MEX) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec	Singapore Airlines
02 Dec - 17 Dec	United
08 Dec - 04 Jan	United
12 Dec - 12 Jan	United
07 Dec - 04 Jan	United
05 Dec - 04 Jan	United
12 Dec - 11 Jan	United
12 Dec - 04 Jan	United
24 Dec - 13 Jan	Delta
12 Dec - 09 Jan	United
18 Dec - 29 Dec	United
22 Dec - 30 Dec	United
25 Dec - 26 Jan	United
16 Dec - 20 Jan	United
19 Dec - 26 Dec	Virgin Australia

Also check the deals for one-way flights from Melbourne 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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Cheapest return flights from Melbourne to Mexico City in December from $1926

Return flights