Cheapest return flights from Seoul to Chiang Mai in August from 162€

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

AirHint found the following cheapest return flights from Seoul (ICN) to Chiang Mai (CNX) in August 2025 (see full year).

Return flights

25 Aug - 11 Sep Eastar Jet direct
18 Aug - 20 Aug Jin Air direct
17 Aug - 20 Aug Jin Air direct
19 Aug - 20 Aug Jin Air direct
25 Aug - 31 Aug Eastar Jet direct
25 Aug - 07 Sep Eastar Jet direct
25 Aug - 14 Sep Eastar Jet direct
21 Aug - 31 Aug Jin Air direct
18 Aug - 31 Aug Jin Air direct
20 Aug - 31 Aug Jin Air direct
17 Aug - 31 Aug Jin Air direct
19 Aug - 31 Aug Jin Air direct
21 Aug - 07 Sep Jin Air direct
18 Aug - 07 Sep Jin Air direct
20 Aug - 07 Sep Jin Air direct
19 Aug - 07 Sep Jin Air direct
12 Aug - 20 Aug AirAsia X
26 Aug - 11 Sep AirAsia X
26 Aug - 07 Sep AirAsia X
26 Aug - 14 Sep AirAsia X

Also check the deals for one-way flights from Seoul to Chiang Mai in August.

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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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