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

Return flights

02 Oct - 10 Oct	Hawaiian Airlines
03 Oct - 19 Oct	Hawaiian Airlines
03 Oct - 13 Oct	Hawaiian Airlines
01 Oct - 19 Oct	Volaris
02 Oct - 09 Oct	Hawaiian Airlines
03 Oct - 11 Oct	Hawaiian Airlines
01 Oct - 16 Oct	Hawaiian Airlines
01 Oct - 15 Oct	Volaris
01 Oct - 17 Oct	Hawaiian Airlines
01 Oct - 09 Oct	Hawaiian Airlines
23 Oct - 01 Nov	Viva
22 Oct - 07 Nov	Aeromexico
13 Oct - 01 Nov	Aeromexico
13 Oct - 10 Nov	Aeromexico
29 Oct - 10 Nov	Delta
25 Oct - 02 Nov	Delta

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Monterrey to Seoul in October from $934

Return flights