Cheapest return flights from Seoul to Chiang Mai in July from $560

AirHint found the following cheapest return flights from Seoul (GMP) to Chiang Mai (CNX) in July 2026 (see full year).

Return flights

09 Jul - 06 Aug Air China
30 Jul - 03 Aug Air China
25 Jul - 27 Jul Air China
16 Jul - 23 Jul Air China
14 Jul - 23 Jul Air China
20 Jul - 25 Jul Air China
21 Jul - 30 Jul Air China
02 Jul - 04 Jul Air China
18 Jul - 25 Jul Air China
11 Jul - 18 Jul Air China
21 Jul - 28 Jul Air China
23 Jul - 28 Jul Air China
25 Jul - 03 Aug Air China
23 Jul - 04 Aug Air China
07 Jul - 04 Aug Air China
27 Jul - 01 Aug Air China
25 Jul - 04 Aug Air China
25 Jul - 25 Aug Air China
27 Jul - 04 Aug Air China
20 Jul - 01 Aug Air China

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

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