Cheapest return flights from Seoul to Bangkok in September from 121€

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

Return flights

11 Sep - 18 Sep Thai AirAsia X direct
18 Sep - 23 Sep Thai AirAsia X direct
03 Sep - 07 Sep Thai AirAsia X direct
09 Sep - 16 Sep Thai AirAsia X direct
01 Sep - 05 Sep Thai AirAsia X direct
12 Sep - 19 Sep Thai AirAsia X direct
04 Sep - 10 Sep Thai AirAsia X direct
07 Sep - 14 Sep Thai AirAsia X direct
01 Sep - 09 Sep Thai AirAsia X direct
03 Sep - 14 Sep Thai AirAsia X direct
28 Sep - 02 Oct Thai AirAsia X direct
28 Sep - 03 Oct Thai AirAsia X direct
25 Sep - 02 Oct Thai AirAsia X direct
25 Sep - 04 Oct Thai AirAsia X direct
27 Sep - 02 Oct Thai AirAsia X direct
27 Sep - 04 Oct Thai AirAsia X direct
30 Sep - 04 Oct Thai AirAsia X direct
30 Sep - 03 Oct Vietnam Airlines
30 Sep - 08 Oct Vietnam Airlines
29 Sep - 10 Oct Vietnam Airlines

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