Cheapest return flights from Chiang Mai (CNX) to Seoul (ICN), October

20 dates in October, from $ 240. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
25 Oct 1 Nov Air Busan
Direct Flight
25 Oct 29 Oct Air Busan
Direct Flight
22 Oct 29 Oct Eastar Jet
Direct Flight
26 Oct 29 Oct Air Busan
Direct Flight
23 Oct 29 Oct Air Busan
Direct Flight
22 Oct 26 Oct Eastar Jet
Direct Flight
29 Oct 29 Oct Air Busan
Direct Flight
24 Oct 29 Oct Jeju Air
Direct Flight
28 Oct 29 Oct Jin Air
Direct Flight
27 Oct 29 Oct Jin Air
Direct Flight
30 Oct 30 Oct Air Busan
Direct Flight
31 Oct 3 Nov Jin Air
Direct Flight
25 Oct 2 Nov Eastar Jet
Direct Flight
25 Oct 7 Nov Eastar Jet
Direct Flight
25 Oct 10 Nov Eastar Jet
Direct Flight
25 Oct 13 Nov Eastar Jet
Direct Flight
25 Oct 3 Nov Eastar Jet
Direct Flight
24 Oct 2 Nov Eastar Jet
Direct Flight
24 Oct 7 Nov Eastar Jet
Direct Flight
24 Oct 10 Nov Eastar Jet
Direct Flight
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Deals for one-way flights from Chiang Mai to Seoul in October.

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Updated Oct 17, 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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