Cheapest return flights from Chiang Mai to Seoul in October from 138€

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

Return flights

05 Oct - 09 Oct Eastar Jet direct
05 Oct - 16 Oct Eastar Jet direct
05 Oct - 15 Oct Eastar Jet direct
05 Oct - 11 Oct Eastar Jet direct
05 Oct - 12 Oct Eastar Jet direct
05 Oct - 08 Oct Eastar Jet direct
01 Oct - 09 Oct Eastar Jet direct
01 Oct - 16 Oct Eastar Jet direct
01 Oct - 15 Oct Eastar Jet direct
01 Oct - 11 Oct Eastar Jet direct
18 Oct - 02 Nov Jin Air direct
15 Oct - 02 Nov Jin Air direct
20 Oct - 02 Nov Jin Air direct
22 Oct - 02 Nov Jin Air direct
27 Oct - 18 Nov Thai AirAsia
16 Oct - 02 Nov Eastar Jet direct
27 Oct - 02 Nov Eastar Jet direct
24 Oct - 02 Nov Jin Air direct
26 Oct - 02 Nov Jin Air direct
17 Oct - 02 Nov Jin Air direct

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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