Cheapest return flights from Chiang Mai to Seoul in August from $204

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 August 2025 (see full year).

Return flights

21 Aug - 25 Aug Thai AirAsia
20 Aug - 25 Aug Thai AirAsia
22 Aug - 25 Aug Thai AirAsia
20 Aug - 21 Aug Thai AirAsia
23 Aug - 25 Aug Eastar Jet direct
24 Aug - 25 Aug Eastar Jet direct
31 Aug - 17 Sep Eastar Jet
31 Aug - 15 Sep Eastar Jet
31 Aug - 09 Sep Eastar Jet
31 Aug - 10 Sep Eastar Jet
31 Aug - 13 Sep Eastar Jet
31 Aug - 16 Sep Eastar Jet
31 Aug - 20 Sep Eastar Jet
19 Aug - 25 Aug Thai AirAsia
14 Aug - 25 Aug Thai AirAsia
31 Aug - 21 Sep Eastar Jet direct
31 Aug - 07 Sep Eastar Jet direct
31 Aug - 13 Sep Eastar Jet direct
19 Aug - 21 Aug Thai AirAsia
14 Aug - 18 Aug Thai AirAsia

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

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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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