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

Return flights

21 May - 29 May	Flair Airlines
11 May - 25 May	Volaris
22 May - 29 May	Volaris
07 May - 23 May	Aeromexico
21 May - 19 Jun	Flair Airlines
01 May - 15 May	United
01 May - 17 May	United
01 May - 16 May	United
04 May - 20 May	United
08 May - 19 May	United
09 May - 21 May	Flair Airlines
01 May - 01 Jun	United
05 May - 27 Jun	Aeromexico
13 May - 18 Jun	United
19 May - 27 Jun	Aeromexico
28 May - 11 Jun	Flair Airlines
19 May - 23 Jun	Air Canada
08 May - 07 Jun	WestJet
16 May - 01 Jun	Flair Airlines
19 May - 02 Jun	Aeromexico

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 $1217

Return flights