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

Return flights

20 Apr - 06 May	American Airlines
27 Apr - 11 May	American Airlines
11 Apr - 25 Apr	American Airlines
09 Apr - 19 Apr	Viva
07 Apr - 21 Apr	Viva
04 Apr - 16 Apr	Viva
15 Apr - 28 Apr	Viva
06 Apr - 16 Apr	Viva
14 Apr - 23 Apr	Viva
01 Apr - 20 Apr	Viva
16 Apr - 30 Apr	Viva
08 Apr - 05 May	Aeromexico
06 Apr - 18 Apr	Viva
19 Apr - 11 May	Viva
18 Apr - 07 May	Viva
20 Apr - 24 May	Aeromexico
30 Apr - 10 May	Aeromexico
28 Apr - 06 May	Air Canada
18 Apr - 02 May	Viva
24 Apr - 08 May	Viva

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 $1104

Return flights