Cheapest return flights from Bangkok to Seoul in September from $219

AirHint found the following cheapest return flights from Bangkok (DMK) to Seoul (ICN) in September 2026 (see full year).

Return flights

09 Sep - 13 Sep Thai AirAsia X direct
11 Sep - 14 Sep Thai AirAsia X direct
17 Sep - 29 Sep Thai AirAsia X direct
03 Sep - 10 Sep Thai AirAsia X direct
19 Sep - 26 Sep Thai AirAsia X direct
18 Sep - 26 Sep Thai AirAsia X direct
10 Sep - 01 Oct Thai AirAsia X direct
05 Sep - 03 Oct Thai AirAsia X direct
21 Sep - 25 Sep Cebu Pacific

Also check the deals for one-way flights from Bangkok to Seoul in September.

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