Cheapest one-way flights from Seoul to Chiang Mai in August from $94

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

28 Aug Jin Air direct
30 Aug Jin Air direct
27 Aug Jin Air direct
26 Aug Jin Air direct
19 Aug Jin Air direct
29 Aug Eastar Jet direct
31 Aug Eastar Jet direct
24 Aug Jin Air direct
18 Aug Eastar Jet direct
22 Aug Jeju Air 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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