Cheapest return flights from Chiang Mai to Seoul in August from $248

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

Return flights

20 Aug - 27 Aug Thai AirAsia
29 Aug - 05 Sep Eastar Jet direct
29 Aug - 13 Sep Eastar Jet direct
29 Aug - 06 Sep Eastar Jet direct
29 Aug - 12 Sep Eastar Jet direct
29 Aug - 10 Sep Eastar Jet direct
29 Aug - 02 Sep Eastar Jet direct
29 Aug - 16 Sep Eastar Jet direct
29 Aug - 09 Sep Eastar Jet direct
29 Aug - 03 Sep Eastar Jet direct
19 Aug - 05 Sep Eastar Jet direct
19 Aug - 29 Aug Eastar Jet direct
19 Aug - 22 Aug Eastar Jet direct
19 Aug - 23 Aug Eastar Jet direct
13 Aug - 29 Aug Eastar Jet direct
13 Aug - 22 Aug Eastar Jet direct
13 Aug - 23 Aug Eastar Jet direct
19 Aug - 20 Aug Eastar Jet direct
19 Aug - 26 Aug Eastar Jet direct
23 Aug - 29 Aug Eastar Jet direct

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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