Cheapest return flights from Chiang Mai to Seoul in March from $198

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

Return flights

21 Mar - 26 Mar Eastar Jet direct
07 Mar - 26 Mar Eastar Jet direct
12 Mar - 26 Mar Eastar Jet direct
11 Mar - 26 Mar Eastar Jet direct
17 Mar - 26 Mar Eastar Jet direct
24 Mar - 26 Mar Eastar Jet direct
06 Mar - 26 Mar Eastar Jet direct
25 Mar - 26 Mar Eastar Jet direct
21 Mar - 23 Mar Eastar Jet
05 Mar - 26 Mar Thai AirAsia
21 Mar - 01 Apr Eastar Jet
27 Mar - 16 Apr Eastar Jet
29 Mar - 16 Apr Thai AirAsia
26 Mar - 16 Apr Thai AirAsia
28 Mar - 16 Apr Thai AirAsia
31 Mar - 16 Apr Thai AirAsia
12 Mar - 01 Apr Eastar Jet
11 Mar - 01 Apr Eastar Jet
17 Mar - 01 Apr Eastar Jet
24 Mar - 01 Apr Eastar Jet

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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