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

Return flights

02 Dec - 08 Dec	Air Canada
03 Dec - 24 Dec	Air Canada
02 Dec - 06 Jan	Air Canada
02 Dec - 09 Dec	Air Canada
02 Dec - 04 Dec	Air Canada
04 Dec - 10 Dec	Air Canada
02 Dec - 25 Dec	Air Canada
01 Dec - 10 Dec	Air Canada
05 Dec - 09 Dec	Air Canada
06 Dec - 10 Dec	Air Canada
04 Dec - 07 Dec	Air Canada
11 Dec - 08 Jan	T'way Air
11 Dec - 07 Jan	T'way Air
01 Dec - 01 Jan	Air Canada
08 Dec - 09 Jan	Air Premia
15 Dec - 05 Jan	Air Premia
22 Dec - 07 Jan	Air Canada
25 Dec - 05 Jan	Air Canada
24 Dec - 10 Jan	Air Canada
23 Dec - 09 Jan	Air Canada

Also check the deals for one-way flights from Seoul to Mexico City in December.

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 December from 785€

Return flights