Cheapest one-way flights from Seoul to Chiang Mai in August from $87

AirHint found the following cheapest one-way flights from Seoul (ICN) to Chiang Mai (CNX) in August 2026 (see full year).

One-Way flights

27 Aug AirAsia X
09 Aug AirAsia X
11 Aug AirAsia X
13 Aug AirAsia X
15 Aug AirAsia X
15 Aug Jeju Air direct
27 Aug Jeju Air direct
07 Aug Thai AirAsia X
10 Aug Thai VietJet Air
09 Aug Jeju Air direct

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

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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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