Cheapest return flights from Chiang Mai to Seoul in May from $195

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

Return flights

06 May - 13 May Thai AirAsia
26 May - 31 May Thai AirAsia
08 May - 13 May Thai AirAsia
07 May - 17 May Eastar Jet direct
07 May - 10 May Eastar Jet direct
07 May - 16 May Eastar Jet direct
20 May - 24 May Thai AirAsia
13 May - 17 May Eastar Jet direct
13 May - 16 May Eastar Jet direct
14 May - 17 May Eastar Jet direct
21 May - 10 Jun Eastar Jet direct
21 May - 11 Jun Eastar Jet direct
28 May - 13 Jun Eastar Jet direct
28 May - 14 Jun Eastar Jet direct
30 May - 20 Jun Eastar Jet direct
30 May - 13 Jun Eastar Jet direct
30 May - 14 Jun Eastar Jet direct
28 May - 18 Jun Eastar Jet direct
28 May - 17 Jun Eastar Jet direct
28 May - 10 Jun Eastar Jet direct

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

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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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