Cheapest return flights from Chiang Mai to Seoul in October from $328

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 - 11 Oct Eastar Jet direct
01 Oct - 12 Oct Eastar Jet direct
01 Oct - 18 Oct Eastar Jet direct
01 Oct - 16 Oct Eastar Jet direct
01 Oct - 15 Oct Eastar Jet direct
23 Oct - 25 Oct Eastar Jet direct
15 Oct - 25 Oct Eastar Jet direct
15 Oct - 18 Oct Eastar Jet direct
22 Oct - 25 Oct Eastar Jet direct
16 Oct - 25 Oct Eastar Jet direct
23 Oct - 13 Nov Eastar Jet
23 Oct - 10 Nov Eastar Jet
23 Oct - 11 Nov Eastar Jet
22 Oct - 10 Nov Eastar Jet
22 Oct - 11 Nov Eastar Jet
23 Oct - 08 Nov Eastar Jet
22 Oct - 08 Nov Eastar Jet
23 Oct - 01 Nov Eastar Jet
15 Oct - 01 Nov Eastar Jet
22 Oct - 01 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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