AirHint found the following cheapest return flights from Monterrey (MTY) to Seoul (ICN) in October 2025 (see full year).

Return flights

03 Oct - 17 Oct	Hawaiian Airlines
03 Oct - 19 Oct	Hawaiian Airlines
02 Oct - 16 Oct	Hawaiian Airlines
02 Oct - 10 Oct	Hawaiian Airlines
03 Oct - 19 Nov	Hawaiian Airlines
03 Oct - 13 Oct	Hawaiian Airlines
03 Oct - 20 Oct	Hawaiian Airlines
02 Oct - 18 Oct	Hawaiian Airlines
01 Oct - 19 Oct	Volaris
02 Oct - 09 Oct	Hawaiian Airlines
02 Oct - 29 Oct	Hawaiian Airlines
27 Oct - 13 Nov	Viva
04 Oct - 19 Nov	Viva
23 Oct - 01 Nov	Viva
24 Oct - 01 Nov	Volaris
22 Oct - 07 Nov	Aeromexico
22 Oct - 01 Nov	Aeromexico
03 Oct - 20 Nov	Air Canada
13 Oct - 01 Nov	Aeromexico
13 Oct - 10 Nov	Aeromexico

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

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 October from 756€

Return flights