AirHint found the following cheapest return flights from Monterrey (MTY) to Seoul (ICN) in April 2026 (see full year).

Return flights

13 Apr - 21 Apr	Air Canada
13 Apr - 23 Apr	Air Canada
02 Apr - 01 May	Air Canada
06 Apr - 20 Apr	Viva
19 Apr - 11 May	Aeromexico
27 Apr - 07 May	United
30 Apr - 12 May	United
15 Apr - 29 Apr	United
13 Apr - 20 Apr	Aeromexico
18 Apr - 25 Apr	Air Canada
18 Apr - 02 May	Air Canada
09 Apr - 22 Apr	Aeromexico
08 Apr - 18 Apr	Aeromexico
08 Apr - 26 Apr	United
05 Apr - 12 Apr	Aeromexico

Also check the deals for one-way flights from Monterrey to Seoul in April.

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 Monterrey to Seoul in April from 1138€

Return flights