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

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

One-Way flights

01 Oct AirAsia X
02 Oct AirAsia X
16 Oct Thai VietJet Air
31 Oct Thai AirAsia X
16 Oct Jeju Air direct
18 Oct Eastar Jet direct
17 Oct Eastar Jet direct
29 Oct Thai AirAsia X
12 Oct Scoot
26 Oct Scoot

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

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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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