Cheapest one-way flights from Seoul to Chiang Mai in October from $112

AirHint found the following cheapest one-way flights from Seoul (ICN) to Chiang Mai (CNX) in October 2025 (see full year).

One-Way flights

24 Oct Thai VietJet Air
12 Oct Jin Air direct
14 Oct Jin Air direct
29 Oct Thai AirAsia X
13 Oct AirAsia X
26 Oct AirAsia X
11 Oct Jin Air direct
21 Oct Jeju Air direct
18 Oct Eastar Jet direct
13 Oct Jeju Air direct

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

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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