Cheapest return flights from Chiang Mai to Seoul in September from 303€

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN) in September 2026 (see full year).

Return flights

17 Sep - 19 Sep Eastar Jet direct
10 Sep - 19 Sep Eastar Jet direct
16 Sep - 19 Sep Eastar Jet direct
09 Sep - 19 Sep Eastar Jet direct
17 Sep - 20 Sep Eastar Jet direct
10 Sep - 20 Sep Eastar Jet direct
10 Sep - 12 Sep Eastar Jet direct
10 Sep - 13 Sep Eastar Jet direct
16 Sep - 20 Sep Eastar Jet direct
09 Sep - 20 Sep Eastar Jet direct
19 Sep - 10 Oct Eastar Jet direct
20 Sep - 10 Oct Eastar Jet direct
23 Sep - 10 Oct Eastar Jet direct
23 Sep - 14 Oct Eastar Jet direct
30 Sep - 18 Oct Eastar Jet direct
30 Sep - 10 Oct Eastar Jet direct
30 Sep - 17 Oct Eastar Jet direct
27 Sep - 18 Oct Eastar Jet direct
17 Sep - 04 Oct Eastar Jet direct
17 Sep - 01 Oct Eastar Jet direct

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

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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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