Cheapest return flights from Chiang Mai to Seoul in April from $245

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

Return flights

22 Apr - 09 May Eastar Jet direct
22 Apr - 25 Apr Thai AirAsia
25 Apr - 09 May Eastar Jet direct
25 Apr - 16 May Eastar Jet direct
26 Apr - 09 May Eastar Jet direct
26 Apr - 17 May Eastar Jet direct
26 Apr - 16 May Eastar Jet direct
08 Apr - 25 Apr Eastar Jet direct
08 Apr - 18 Apr Eastar Jet direct
08 Apr - 19 Apr Eastar Jet direct
08 Apr - 26 Apr Eastar Jet direct
22 Apr - 25 Apr Eastar Jet direct
22 Apr - 26 Apr Eastar Jet direct
04 Apr - 25 Apr Eastar Jet direct
04 Apr - 18 Apr Eastar Jet direct
04 Apr - 19 Apr Eastar Jet direct
22 Apr - 13 May Eastar Jet direct
22 Apr - 07 May Eastar Jet direct
22 Apr - 06 May Eastar Jet direct
19 Apr - 09 May Eastar Jet direct

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

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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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