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

Return flights

31 Oct - 24 Nov	Volaris
03 Oct - 19 Oct	Viva
03 Oct - 10 Oct	Viva
29 Oct - 16 Nov	Volaris
30 Oct - 15 Nov	Volaris
28 Oct - 17 Nov	Volaris
29 Oct - 18 Nov	Volaris
03 Oct - 12 Oct	Viva
30 Oct - 16 Nov	Volaris
29 Oct - 17 Nov	Volaris
30 Oct - 18 Nov	Volaris
14 Oct - 30 Oct	Volaris
27 Oct - 09 Nov	Volaris
14 Oct - 21 Oct	Volaris
14 Oct - 23 Oct	Volaris
30 Oct - 17 Nov	Volaris
21 Oct - 28 Oct	Volaris
17 Oct - 31 Oct	Volaris
18 Oct - 31 Oct	Volaris
13 Oct - 21 Oct	Aeromexico

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 857€

Return flights