Cheapest return flights from Seoul to Chiang Mai in March from $181

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

Return flights

06 Mar - 11 Mar AirAsia X
09 Mar - 12 Mar AirAsia X
07 Mar - 12 Mar AirAsia X
06 Mar - 08 Mar AirAsia X
05 Mar - 12 Mar AirAsia X
03 Mar - 07 Mar AirAsia X
08 Mar - 11 Mar AirAsia X
02 Mar - 05 Mar AirAsia X
01 Mar - 05 Mar AirAsia X
01 Mar - 13 Mar AirAsia X
29 Mar - 01 Apr Jeju Air direct
26 Mar - 09 Apr Eastar Jet direct
26 Mar - 08 Apr Eastar Jet direct
19 Mar - 08 Apr Eastar Jet direct
25 Mar - 09 Apr Eastar Jet direct
25 Mar - 08 Apr Eastar Jet direct
26 Mar - 15 Apr Eastar Jet direct
29 Mar - 04 Apr Jeju Air direct
07 Mar - 04 Apr Eastar Jet direct
26 Mar - 05 Apr Eastar Jet direct

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