Cheapest return flights from Bangkok to Seoul in September from $210

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

Return flights

03 Sep - 09 Sep Thai AirAsia direct
07 Sep - 11 Sep Thai AirAsia direct
10 Sep - 14 Sep Thai AirAsia direct
18 Sep - 26 Sep Thai AirAsia
07 Sep - 12 Sep Thai AirAsia
14 Sep - 18 Sep Thai AirAsia
08 Sep - 11 Sep Thai AirAsia
05 Sep - 07 Sep Thai AirAsia
03 Sep - 08 Sep VietJet Air
09 Sep - 16 Sep Thai AirAsia direct
30 Sep - 04 Oct Thai AirAsia direct
28 Sep - 05 Oct Vietnam Airlines
29 Sep - 04 Oct Thai AirAsia direct
28 Sep - 05 Oct Thai AirAsia direct
26 Sep - 02 Oct Thai VietJet Air
27 Sep - 04 Oct Cathay Pacific
27 Sep - 04 Oct Thai AirAsia direct
21 Sep - 04 Oct China Southern
21 Sep - 05 Oct China Southern
21 Sep - 06 Oct China Southern

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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