Cheapest one-way flights from Chiang Mai to Seoul in September from $96

AirHint found the following cheapest one-way flights from Chiang Mai (CNX) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

30 Sep Thai AirAsia
25 Sep Jin Air direct
24 Sep Jin Air direct
30 Sep Jin Air direct
17 Sep Jin Air direct
11 Sep Eastar Jet direct
13 Sep Eastar Jet direct
18 Sep Eastar Jet direct
15 Sep Jin Air direct
09 Sep Jin Air direct

Also check the deals for return flights from Chiang Mai to Seoul in September.

Skyscanner

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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