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

Return flights

29 Dec - 24 Jan	Aeromexico
31 Dec - 27 Jan	Viva
31 Dec - 24 Jan	Viva
31 Dec - 16 Jan	Air Canada
25 Dec - 09 Jan	Viva
31 Dec - 10 Jan	Volaris
24 Dec - 09 Jan	Viva
24 Dec - 10 Jan	Viva
26 Dec - 09 Jan	Viva
27 Dec - 09 Jan	Aeromexico
25 Dec - 29 Dec	Volaris
24 Dec - 29 Dec	United
23 Dec - 30 Dec	Flair Airlines
25 Dec - 31 Dec	Volaris
23 Dec - 24 Dec	Flair Airlines

Also check the deals for one-way flights from Mexico City to Seoul 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 Mexico City to Seoul in December from 919€

Return flights