Cheapest return flights from Seoul to Chiang Mai in May from 419€

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

Return flights

23 May - 28 May Air China
09 May - 12 May EVA Air
26 May - 02 Jun EVA Air
12 May - 19 May EVA Air
09 May - 16 May Air China
21 May - 30 May Air China
09 May - 14 May Air China
11 May - 14 May Air China
09 May - 21 May Air China
16 May - 18 May Air China
14 May - 18 May Air China
30 May - 06 Jun Air China
25 May - 02 Jun Air China
29 May - 01 Jun EVA Air
27 May - 02 Jun EVA Air

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

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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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