Cheapest return flights from Mexico City to Sydney in October from $1404

Best time to book flights for Mexico City (MEX) to Sydney (SYD) flights at AirHint

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

Return flights

03 Oct - 10 Oct Viva Aerobus
18 Oct - 31 Oct ANA
07 Oct - 27 Oct United
08 Oct - 22 Oct United
06 Oct - 22 Oct United
22 Oct - 05 Nov United
03 Oct - 26 Oct United
09 Oct - 26 Oct United
12 Oct - 20 Oct United
10 Oct - 16 Oct Air Canada

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

Skyscanner

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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