Cheapest one-way flights from Seoul (GMP) to Chiang Mai (CNX), October

10 dates in October, from $ 183. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
25 Oct Trinity Airways
24 Oct Trinity Airways
26 Oct Trinity Airways
18 Oct Air Busan
30 Oct Trinity Airways
15 Oct Trinity Airways
22 Oct Trinity Airways
23 Oct Air Busan
17 Oct EVA Air
16 Oct EVA Air
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Cheapest deals for the full year

Deals for return flights from Seoul to Chiang Mai in October.

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Updated Oct 14, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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