Cheapest return flights from Chiang Mai to Seoul in March from $243

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

Return flights

11 Mar - 18 Mar Thai AirAsia
29 Mar - 01 Apr Thai AirAsia
26 Mar - 31 Mar Thai AirAsia
06 Mar - 18 Mar Thai AirAsia
09 Mar - 14 Mar Thai AirAsia
13 Mar - 17 Mar Thai AirAsia
06 Mar - 13 Mar Thai AirAsia
07 Mar - 13 Mar Thai AirAsia
10 Mar - 14 Mar Thai AirAsia
12 Mar - 16 Mar Thai AirAsia
30 Mar - 28 Apr Thai AirAsia
29 Mar - 04 Apr Thai AirAsia
24 Mar - 26 Mar Thai AirAsia
14 Mar - 01 Apr Eastar Jet direct
14 Mar - 02 Apr Eastar Jet direct
26 Mar - 05 Apr Thai AirAsia
24 Mar - 16 Apr Thai AirAsia
25 Mar - 18 Apr Thai AirAsia
13 Mar - 01 Apr Eastar Jet direct
13 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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