Cheapest return flights from Bangkok to Seoul in September from $255

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

Return flights

04 Sep - 07 Sep Thai AirAsia X direct
02 Sep - 16 Sep Thai AirAsia X direct
05 Sep - 07 Sep Thai AirAsia X direct
05 Sep - 08 Sep Thai AirAsia X direct
05 Sep - 09 Sep Thai AirAsia X direct
01 Sep - 10 Sep Thai AirAsia X direct
04 Sep - 08 Sep Thai AirAsia X direct
11 Sep - 14 Sep Thai AirAsia X direct
14 Sep - 16 Sep Thai AirAsia X direct
12 Sep - 16 Sep Thai AirAsia X direct
24 Sep - 07 Oct Thai AirAsia X direct

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

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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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