AirHint found the following cheapest return flights from Mexico City (MEX) to Seoul (ICN) in October 2026 (see full year).

Return flights

03 Oct - 21 Oct	United
08 Oct - 17 Oct	United
14 Oct - 21 Oct	United
24 Oct - 07 Nov	United
31 Oct - 11 Nov	United
22 Oct - 05 Nov	United
20 Oct - 10 Nov	United
27 Oct - 11 Nov	United
01 Oct - 12 Oct	United
08 Oct - 21 Oct	United
22 Oct - 12 Nov	United
24 Oct - 10 Nov	United
18 Oct - 03 Nov	United
15 Oct - 03 Nov	United
17 Oct - 02 Nov	United
01 Oct - 15 Oct	United
03 Oct - 10 Oct	United
05 Oct - 19 Oct	United
01 Oct - 20 Oct	United
07 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 1202€

Return flights