Cheapest one-way flights from Seoul to Chiang Mai in December from 102€

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 December 2025 (see full year).

One-Way flights

01 Dec AirAsia X
17 Dec Vietnam Airlines
15 Dec Thai AirAsia X
16 Dec Thai AirAsia X
18 Dec Thai AirAsia X
02 Dec Thai AirAsia X
07 Dec HK Express
22 Dec Thai AirAsia X
21 Dec Thai AirAsia X
04 Dec HK Express

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

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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