Cheapest one-way flights from Chiang Mai to Seoul in September from $99

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

11 Sep Jin Air direct
17 Sep Jin Air direct
18 Sep Jin Air direct
30 Sep Jin Air direct
26 Sep Jin Air direct
24 Sep Jin Air direct
03 Sep Eastar Jet direct
09 Sep Jin Air direct
28 Sep Jin Air direct
16 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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