Cheapest return flights from Seoul to Chiang Mai in August from $194

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

28 Aug - 17 Sep Jin Air direct
28 Aug - 10 Sep Jin Air direct
26 Aug - 10 Sep Jin Air direct
30 Aug - 17 Sep Jin Air direct
30 Aug - 10 Sep Jin Air direct
19 Aug - 30 Sep Jin Air direct
19 Aug - 19 Sep Jin Air direct
28 Aug - 07 Sep Jin Air direct
28 Aug - 14 Sep Jin Air direct
28 Aug - 02 Sep Jin Air direct
20 Aug - 28 Aug Jeju Air direct
18 Aug - 29 Aug Jeju Air direct
27 Aug - 29 Aug Jeju Air direct
18 Aug - 26 Aug Jeju Air direct
18 Aug - 27 Aug Jin Air direct
18 Aug - 28 Aug Jin Air direct
26 Aug - 27 Aug Jin Air direct
26 Aug - 28 Aug Jin Air direct
20 Aug - 27 Aug Jin Air direct
19 Aug - 27 Aug Jin Air direct

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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