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

Return flights

13 Oct - 19 Oct	Volaris
12 Oct - 19 Oct	Viva
30 Oct - 11 Nov	Viva
20 Oct - 27 Oct	Volaris
22 Oct - 10 Nov	Viva
16 Oct - 01 Nov	Viva
26 Oct - 10 Nov	Aeromexico
18 Oct - 25 Oct	Viva
06 Oct - 13 Oct	Volaris
01 Oct - 16 Oct	Volaris
10 Oct - 15 Nov	Viva
01 Oct - 31 Oct	Volaris
09 Oct - 19 Oct	LATAM Airlines Group
11 Oct - 25 Oct	Aeromexico
03 Oct - 10 Oct	Delta

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

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from Mexico City to Sydney in October from 1015€

Return flights