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

Return flights

22 Oct - 28 Oct	Air Canada
22 Oct - 26 Nov	Air Canada
22 Oct - 06 Nov	Air Canada
09 Oct - 21 Oct	Air Canada
09 Oct - 22 Oct	Air Canada
21 Oct - 04 Nov	Air Canada
08 Oct - 18 Oct	Air Canada
10 Oct - 22 Oct	Air Canada
10 Oct - 15 Oct	Air Canada
09 Oct - 12 Oct	Air Canada
24 Oct - 27 Oct	Air Canada
24 Oct - 28 Oct	Air Canada
24 Oct - 30 Oct	Air Canada
24 Oct - 03 Nov	Air Canada
10 Oct - 07 Nov	Air Canada
28 Oct - 05 Nov	Air Premia
20 Oct - 10 Nov	Air Canada
27 Oct - 12 Nov	Air Canada
30 Oct - 04 Nov	Air Canada
28 Oct - 25 Nov	Air Canada

Also check the deals for one-way flights from Seoul to Mexico City 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 Seoul to Mexico City in October from 721€

Return flights