AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN) in June 2026 (see full year).

Return flights

12 Jun - 23 Jun	Thai AirAsia
12 Jun - 15 Jun	Thai AirAsia
12 Jun - 18 Jun	Thai AirAsia
12 Jun - 24 Jun	Thai AirAsia
12 Jun - 25 Jun	Thai AirAsia
14 Jun - 23 Jun	Thai AirAsia
14 Jun - 18 Jun	Thai AirAsia
14 Jun - 24 Jun	Thai AirAsia
14 Jun - 25 Jun	Thai AirAsia
16 Jun - 23 Jun	Thai AirAsia
12 Jun - 02 Jul	Thai AirAsia
14 Jun - 02 Jul	Thai AirAsia
16 Jun - 06 Jul	Thai AirAsia
16 Jun - 02 Jul	Thai AirAsia
17 Jun - 06 Jul	Thai AirAsia
17 Jun - 02 Jul	Thai AirAsia
13 Jun - 02 Jul	Thai AirAsia
24 Jun - 06 Jul	Thai AirAsia
24 Jun - 02 Jul	Thai AirAsia
28 Jun - 06 Jul	Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Seoul in June.

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 Chiang Mai to Seoul in June from 247€

Return flights