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

Return flights

03 Oct - 12 Oct	Viva
04 Oct - 25 Oct	Volaris
21 Oct - 03 Nov	Volaris
21 Oct - 06 Nov	Volaris
23 Oct - 30 Oct	Volaris
27 Oct - 09 Nov	Volaris
03 Oct - 09 Oct	Viva
13 Oct - 20 Oct	Viva
21 Oct - 28 Oct	Viva
19 Oct - 27 Oct	Aeromexico
17 Oct - 20 Oct	Volaris
01 Oct - 07 Oct	Viva
19 Oct - 28 Oct	Aeromexico
27 Oct - 03 Nov	Aeromexico
24 Oct - 07 Nov	Aeromexico
22 Oct - 15 Nov	Aeromexico
26 Oct - 07 Nov	Viva
31 Oct - 09 Nov	Volaris
20 Oct - 01 Nov	Mexicana
25 Oct - 07 Nov	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 $1007

Return flights