Cheapest return flights from Seoul to Chiang Mai in March from $208

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

Return flights

03 Mar - 11 Mar Jin Air
02 Mar - 05 Mar Air Busan
03 Mar - 10 Mar Air Busan
05 Mar - 13 Mar Air Busan
01 Mar - 05 Mar Air Busan
05 Mar - 12 Mar Air Busan
05 Mar - 19 Mar Air Busan
03 Mar - 05 Mar Air Busan
06 Mar - 08 Mar China Eastern
01 Mar - 11 Mar Asiana Airlines
18 Mar - 09 Apr Air China
16 Mar - 07 Apr Air China
18 Mar - 13 Apr Air China
14 Mar - 02 Apr Air China
16 Mar - 21 Apr Air China
18 Mar - 11 Apr Air China
24 Mar - 24 Apr EVA Air

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

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