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

Return flights

11 May - 25 May	Volaris
14 May - 25 May	Aeromexico
07 May - 24 May	Aeromexico
06 May - 20 May	Aeromexico
07 May - 14 May	Aeromexico
04 May - 26 May	Aeromexico
05 May - 26 May	Aeromexico
11 May - 20 May	Aeromexico
05 May - 19 May	Aeromexico
11 May - 26 May	Aeromexico
21 May - 07 Jun	Flair Airlines
15 May - 01 Jun	Aeromexico
19 May - 02 Jun	United
30 May - 14 Jun	Flair Airlines
13 May - 18 Jun	Aeromexico
23 May - 05 Jun	Flair Airlines
26 May - 22 Jun	Aeromexico
20 May - 02 Jun	United
14 May - 18 Jun	Aeromexico
27 May - 19 Jun	Aer Lingus

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

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 May from $1152

Return flights