Cheapest one-way flights from Seoul to Chiang Mai in August from $104

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 August 2025 (see full year).

One-Way flights

26 Aug AirAsia X
20 Aug Jeju Air direct
30 Aug Jeju Air direct
24 Aug Jeju Air direct
17 Aug Eastar Jet direct
31 Aug Eastar Jet direct
25 Aug Eastar Jet direct
18 Aug Eastar Jet direct
29 Aug Eastar Jet direct
28 Aug Eastar Jet direct

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

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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