Cheapest return ICN–CNX flights, August

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

Return flights

19 Aug - 26 Aug Jeju Air direct
07 Aug - 23 Aug China Eastern
22 Aug - 26 Aug Jeju Air direct
23 Aug - 26 Aug Jeju Air direct
26 Aug - 30 Aug Jeju Air direct
23 Aug - 27 Aug Jeju Air direct
22 Aug - 30 Aug Jeju Air direct
23 Aug - 29 Aug Jeju Air direct
22 Aug - 29 Aug Jeju Air direct
23 Aug - 30 Aug Jeju Air direct
27 Aug - 10 Sep Eastar Jet direct
27 Aug - 03 Sep Eastar Jet direct
29 Aug - 10 Sep Eastar Jet direct
29 Aug - 03 Sep Eastar Jet direct
29 Aug - 17 Sep Eastar Jet direct
26 Aug - 10 Sep Eastar Jet direct
26 Aug - 03 Sep Eastar Jet direct
19 Aug - 03 Sep Eastar Jet direct
20 Aug - 03 Sep Eastar Jet direct
27 Aug - 09 Sep Eastar Jet direct

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

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