Cheapest return flights from Seoul to Chiang Mai in June from $498

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

Return flights

06 Jun - 13 Jun Air China
13 Jun - 25 Jun Air China
16 Jun - 20 Jun Air China
18 Jun - 22 Jun Air China
18 Jun - 25 Jun Air China
04 Jun - 08 Jun Air China
15 Jun - 22 Jun Air China
11 Jun - 16 Jun Air China
11 Jun - 18 Jun Air China
02 Jun - 18 Jun Air China
29 Jun - 04 Jul Air China
29 Jun - 02 Jul Air China
30 Jun - 06 Jul Air China
27 Jun - 25 Jul Air China
29 Jun - 09 Jul Air China
27 Jun - 27 Jul Air China
01 Jun - 27 Jul Air China
26 Jun - 03 Jul EVA Air
24 Jun - 03 Jul EVA Air

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

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