Cheapest return flights from Chiang Mai to Seoul in March from $207

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

Return flights

18 Mar - 29 Mar Thai AirAsia
19 Mar - 25 Mar Thai AirAsia
19 Mar - 26 Mar Thai AirAsia
19 Mar - 22 Mar Thai AirAsia
17 Mar - 29 Mar Eastar Jet direct
17 Mar - 26 Mar Eastar Jet direct
17 Mar - 22 Mar Eastar Jet direct
17 Mar - 27 Mar Eastar Jet direct
17 Mar - 28 Mar Eastar Jet direct
18 Mar - 29 Mar Eastar Jet direct
17 Mar - 02 Apr Eastar Jet direct
17 Mar - 05 Apr Eastar Jet direct
17 Mar - 04 Apr Eastar Jet direct
18 Mar - 02 Apr Eastar Jet direct
18 Mar - 05 Apr Eastar Jet direct
18 Mar - 04 Apr Eastar Jet direct
24 Mar - 02 Apr Eastar Jet direct
24 Mar - 05 Apr Eastar Jet direct
24 Mar - 04 Apr Eastar Jet direct
19 Mar - 02 Apr Eastar Jet direct

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

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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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