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

Return flights

07 May - 23 May	Flair Airlines
01 May - 17 May	Flair Airlines
14 May - 25 May	Volaris
08 May - 15 May	United
11 May - 23 May	United
01 May - 31 May	United
08 May - 20 May	United
14 May - 18 Jun	United
14 May - 22 Jun	Volaris
10 May - 20 May	United
16 May - 23 May	Flair Airlines
12 May - 26 May	United
21 May - 19 Jun	Flair Airlines
31 May - 21 Jun	Flair Airlines
26 May - 03 Jun	Air Canada
25 May - 15 Jun	Air Canada
15 May - 01 Jun	United
12 May - 19 Jun	Aeromexico
25 May - 19 Jun	Air Canada
31 May - 20 Jun	Flair Airlines

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 1126€

Return flights