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

Return flights

02 Oct - 07 Oct	Volaris
22 Oct - 10 Nov	Viva
22 Oct - 05 Nov	Viva
02 Oct - 17 Oct	Viva
25 Oct - 01 Nov	Volaris
25 Oct - 04 Nov	Volaris
24 Oct - 09 Nov	Volaris
01 Oct - 15 Oct	Viva
21 Oct - 22 Nov	Viva
03 Oct - 12 Oct	Volaris
27 Oct - 10 Nov	Volaris
26 Oct - 12 Nov	Volaris
01 Oct - 10 Oct	Viva
01 Oct - 23 Oct	Volaris
27 Oct - 03 Nov	Volaris
03 Oct - 10 Oct	Volaris
20 Oct - 01 Nov	Volaris
16 Oct - 28 Oct	Volaris
02 Oct - 16 Oct	Volaris
04 Oct - 24 Oct	Volaris

Also check the deals for one-way flights from Mexico City to Seoul 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.

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Cheapest return flights from Mexico City to Seoul in October from $920

Return flights