Cheapest return flights from Chiang Mai to Seoul in May from 228€

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

Return flights

11 May - 14 May Thai AirAsia
17 May - 21 May Thai AirAsia
11 May - 21 May Thai AirAsia
15 May - 21 May Thai AirAsia
20 May - 10 Jun Thai AirAsia
23 May - 10 Jun Thai AirAsia
21 May - 10 Jun Thai AirAsia
26 May - 10 Jun Thai AirAsia
17 May - 27 May Thai AirAsia
17 May - 23 May Thai AirAsia
11 May - 13 May Thai AirAsia
11 May - 16 May Thai AirAsia
11 May - 27 May Thai AirAsia
11 May - 17 May Thai AirAsia
25 May - 10 Jun Thai AirAsia
17 May - 01 Jun Thai AirAsia
17 May - 05 Jun Thai AirAsia
11 May - 01 Jun Thai AirAsia
20 May - 01 Jun Thai AirAsia
20 May - 05 Jun Thai AirAsia

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

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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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