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

Return flights

01 Dec - 08 Dec	Flair Airlines
01 Dec - 10 Dec	Flair Airlines
01 Dec - 24 Dec	Flair Airlines
03 Dec - 06 Dec	Viva
05 Dec - 11 Dec	Volaris
25 Dec - 11 Jan	Aeromexico
03 Dec - 10 Dec	Flair Airlines
01 Dec - 25 Dec	Flair Airlines
01 Dec - 19 Dec	Flair Airlines
01 Dec - 23 Dec	Flair Airlines
25 Dec - 31 Dec	Aeromexico
09 Dec - 03 Jan	Flair Airlines
15 Dec - 03 Jan	Flair Airlines
24 Dec - 10 Jan	Aeromexico
11 Dec - 24 Jan	Aeromexico
31 Dec - 27 Jan	Aeromexico
20 Dec - 03 Jan	Hainan Airlines
23 Dec - 06 Jan	Viva
25 Dec - 13 Jan	Turkish Airlines
25 Dec - 07 Jan	Turkish 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Mexico City to Seoul in December from $1063

Return flights