Cheapest return flights from Bangkok to Seoul in September from 235€

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

Return flights

02 Sep - 09 Sep Thai AirAsia
02 Sep - 09 Sep Thai AirAsia direct
14 Sep - 18 Sep Vietnam Airlines
11 Sep - 17 Sep Thai AirAsia direct
19 Sep - 26 Sep Thai AirAsia direct
03 Sep - 10 Sep Thai AirAsia direct
21 Sep - 26 Sep Thai AirAsia direct
23 Sep - 27 Sep Thai AirAsia direct
02 Sep - 06 Sep Thai AirAsia direct
13 Sep - 15 Sep Thai AirAsia direct
30 Sep - 06 Oct Vietnam Airlines
28 Sep - 03 Oct Vietnam Airlines
24 Sep - 14 Oct Vietnam Airlines
24 Sep - 15 Oct Vietnam Airlines
07 Sep - 11 Oct Vietnam Airlines
30 Sep - 06 Oct Thai AirAsia direct
30 Sep - 04 Oct T'way Air direct
04 Sep - 21 Oct Thai AirAsia
07 Sep - 11 Oct Air Premia direct
21 Sep - 12 Oct HK Express

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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