Cheapest one-way flights from Seoul to Chiang Mai in October from $74

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

One-Way flights

19 Oct Thai VietJet Air
05 Oct AirAsia X
21 Oct AirAsia X
23 Oct AirAsia X
16 Oct AirAsia X
19 Oct Jeju Air direct
17 Oct Eastar Jet direct
24 Oct Eastar Jet direct
27 Oct Vietnam Airlines
22 Oct Thai AirAsia

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

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