Cheapest one-way flights from Chiang Mai to Seoul in September from $193

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

25 Sep Thai VietJet Air
18 Sep Scoot Tigerair
04 Sep Scoot Tigerair
27 Sep AirAsia
09 Sep Scoot Tigerair
11 Sep Scoot Tigerair
22 Sep AirAsia
30 Sep Scoot Tigerair
01 Sep Thai AirAsia
20 Sep Thai AirAsia

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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