AirHint found the following cheapest return flights from Mexico City (MEX) to Sydney (SYD) in August 2025 (see full year).

Return flights

21 Aug - 27 Aug	Aeromexico
26 Aug - 31 Aug	Volaris
25 Aug - 06 Sep	Volaris
11 Aug - 25 Aug	Volaris
12 Aug - 02 Sep	Volaris
26 Aug - 08 Sep	Volaris
09 Aug - 22 Aug	Aeromexico
16 Aug - 26 Aug	Aeromexico
05 Aug - 16 Aug	Volaris
05 Aug - 14 Aug	Volaris
02 Aug - 17 Aug	Viva
28 Aug - 01 Sep	Volaris
04 Aug - 16 Aug	Volaris
02 Aug - 15 Aug	Viva
23 Aug - 13 Sep	Aeromexico

Also check the deals for one-way flights from Mexico City to Sydney in August.

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 Mexico City to Sydney in August from 965€

Return flights