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

Return flights

19 May - 26 May	Flair Airlines
19 May - 30 May	Flair Airlines
12 May - 24 May	Aeromexico
07 May - 13 May	Aeromexico
21 May - 28 May	Flair Airlines
22 May - 29 May	WestJet
06 May - 20 May	United
05 May - 19 May	United
08 May - 15 May	United
11 May - 23 May	United
14 May - 04 Jun	Aeromexico
19 May - 02 Jun	United
31 May - 21 Jun	Flair Airlines
22 May - 06 Jun	WestJet
20 May - 05 Jun	Aeromexico
15 May - 18 Jun	Aeromexico
24 May - 12 Jun	Flair Airlines
14 May - 18 Jun	Air Canada
07 May - 09 Jun	Air Canada
26 May - 17 Jun	Air Canada

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 1004€

Return flights