Cheapest one-way flights from Chiang Mai to Seoul in September from $181

Best time to book flights for Chiang Mai (CNX) to Seoul (ICN) flights at AirHint

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

One-Way flights

26 Sep AirAsia
25 Sep AirAsia
10 Sep Eastar Jet direct
11 Sep Eastar Jet direct
18 Sep Eastar Jet direct
25 Sep Eastar Jet direct
03 Sep Eastar Jet direct
24 Sep Eastar Jet direct
20 Sep Eastar Jet direct
13 Sep Eastar Jet 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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