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

Return flights

10 Jul - 20 Jul	Aeromexico
22 Jul - 11 Aug	Aeromexico
11 Jul - 20 Jul	Hawaiian Airlines
01 Jul - 20 Aug	Alaska Airlines
17 Jul - 20 Jul	Aeromexico
01 Jul - 19 Aug	Volaris
22 Jul - 06 Aug	Aeromexico
07 Jul - 14 Jul	Alaska Airlines
14 Jul - 21 Jul	Hawaiian Airlines
13 Jul - 23 Jul	Aeromexico
14 Jul - 23 Jul	Aeromexico
31 Jul - 16 Aug	Aeromexico
27 Jul - 08 Aug	Aeromexico
28 Jul - 04 Aug	Aeromexico
04 Jul - 20 Jul	Alaska Airlines
04 Jul - 13 Jul	Alaska Airlines
12 Jul - 23 Jul	Viva Aerobus
28 Jul - 28 Aug	Aeromexico
26 Jul - 10 Aug	Aeromexico
26 Jul - 02 Aug	Volaris

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

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 July from $1234

Return flights