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

Return flights

10 Dec - 12 Jan	Delta
10 Dec - 23 Jan	Delta
25 Dec - 11 Jan	Virgin Australia
01 Dec - 31 Dec	Turkish Airlines
26 Dec - 06 Jan	Delta
24 Dec - 12 Jan	Delta
28 Dec - 07 Jan	Delta
19 Dec - 09 Jan	Delta
28 Dec - 09 Jan	Delta
01 Dec - 12 Dec	LATAM Airlines Group
31 Dec - 21 Jan	Delta
12 Dec - 30 Dec	Delta
19 Dec - 01 Jan	Delta
12 Dec - 29 Dec	Delta
12 Dec - 27 Dec	Qantas
12 Dec - 28 Dec	Delta
16 Dec - 30 Dec	Qantas

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 1607€

Return flights