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

Return flights

28 Oct - 17 Nov	Flair Airlines
28 Oct - 05 Nov	Flair Airlines
27 Oct - 10 Nov	Volaris
29 Oct - 16 Nov	Volaris
26 Oct - 15 Nov	Volaris
27 Oct - 07 Nov	Volaris
29 Oct - 18 Nov	Aeromexico
28 Oct - 07 Nov	Flair Airlines
25 Oct - 02 Nov	Viva
29 Oct - 15 Nov	Aeromexico
16 Oct - 28 Oct	Viva
26 Oct - 31 Oct	Aeromexico
25 Oct - 31 Oct	Viva
17 Oct - 29 Oct	Viva
18 Oct - 25 Oct	WestJet
17 Oct - 31 Oct	Viva
24 Oct - 31 Oct	Viva
21 Oct - 29 Oct	Air Canada
23 Oct - 26 Oct	WestJet
18 Oct - 31 Oct	WestJet

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 884€

Return flights