Cheapest return flights from Chiang Mai to Seoul in May from $191

Best time to book flights for Chiang Mai (CNX) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Seoul (ICN) in May 2025 (see full year).

Return flights

21 May - 25 May Eastar Jet direct
21 May - 24 May Eastar Jet direct
21 May - 22 May Eastar Jet direct
17 May - 18 May Eastar Jet direct
17 May - 25 May Eastar Jet direct
17 May - 24 May Eastar Jet direct
17 May - 22 May Eastar Jet direct
01 May - 18 May Eastar Jet direct
01 May - 22 May Eastar Jet direct
01 May - 07 May Eastar Jet direct
28 May - 15 Jun Eastar Jet direct
21 May - 08 Jun Eastar Jet direct
28 May - 14 Jun Eastar Jet direct
28 May - 08 Jun Eastar Jet direct
21 May - 07 Jun Eastar Jet direct
17 May - 07 Jun Eastar Jet direct
28 May - 18 Jun Eastar Jet direct
28 May - 07 Jun Eastar Jet direct
21 May - 09 Jun Eastar Jet direct
28 May - 09 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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