Cheapest return flights from Seoul to Chiang Mai in July from $219

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 July 2025 (see full year).

Return flights

15 Jul - 18 Jul Jin Air direct
15 Jul - 22 Jul Jin Air direct
15 Jul - 17 Jul Jin Air direct
14 Jul - 15 Jul Jin Air direct
14 Jul - 18 Jul Jin Air direct
14 Jul - 22 Jul Jin Air direct
14 Jul - 17 Jul Jin Air direct
13 Jul - 15 Jul Jin Air direct
13 Jul - 18 Jul Jin Air direct
13 Jul - 22 Jul Jin Air direct
30 Jul - 19 Aug AirAsia X
15 Jul - 19 Aug Jeju Air direct
30 Jul - 20 Aug AirAsia X
30 Jul - 14 Aug AirAsia X
14 Jul - 20 Aug Jeju Air direct
15 Jul - 21 Aug Jeju Air direct
02 Jul - 31 Aug Jeju Air direct
30 Jul - 07 Aug AirAsia X
30 Jul - 15 Aug AirAsia X
30 Jul - 13 Aug AirAsia X

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

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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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