Cheapest one-way flights from Seoul to Chiang Mai in October from $91

Best time to book flights for Seoul (ICN) to Chiang Mai (CNX) flights at AirHint

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

One-Way flights

27 Oct AirAsia X
14 Oct Jin Air direct
12 Oct Jin Air direct
15 Oct Jeju Air direct
11 Oct Jeju Air direct
10 Oct AirAsia X
17 Oct Jeju Air direct
10 Oct Jeju Air direct
25 Oct Eastar Jet direct
23 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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