Cheapest return flights from Chiang Mai to Seoul in October from $193

Best time to book flights for Chiang Mai (CNX) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN) in October 2025 (see full year).

Return flights

01 Oct - 19 Oct Jin Air direct
01 Oct - 13 Oct Jin Air direct
01 Oct - 22 Oct Jin Air direct
01 Oct - 21 Oct Jin Air direct
01 Oct - 12 Oct Jin Air direct
02 Oct - 19 Oct Jin Air direct
02 Oct - 13 Oct Jin Air direct
01 Oct - 10 Oct Jin Air
02 Oct - 21 Oct Jin Air direct
02 Oct - 23 Oct Jin Air direct
22 Oct - 12 Nov Eastar Jet
23 Oct - 12 Nov Jin Air
23 Oct - 13 Nov Jin Air
22 Oct - 10 Nov Eastar Jet
22 Oct - 11 Nov Eastar Jet
22 Oct - 09 Nov Eastar Jet
22 Oct - 08 Nov Eastar Jet
23 Oct - 10 Nov Jin Air
23 Oct - 11 Nov Jin Air
22 Oct - 07 Nov Eastar Jet

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

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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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