Cheapest return flights from Seoul to Bangkok in September from 138€

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

Return flights

04 Sep - 11 Sep Thai AirAsia X direct
07 Sep - 12 Sep Thai AirAsia X direct
04 Sep - 12 Sep Thai AirAsia X direct
09 Sep - 13 Sep Thai AirAsia X direct
11 Sep - 15 Sep Thai AirAsia X direct
16 Sep - 20 Sep Thai AirAsia X direct
13 Sep - 18 Sep Thai AirAsia X direct
02 Sep - 04 Sep Thai AirAsia X direct
03 Sep - 07 Sep Thai AirAsia X direct
05 Sep - 09 Sep Thai AirAsia X direct
30 Sep - 06 Oct Thai AirAsia X direct
03 Sep - 02 Oct VietJet Air
03 Sep - 02 Oct Thai AirAsia X direct
22 Sep - 04 Oct Thai AirAsia X direct
26 Sep - 03 Oct Asiana Airlines direct
30 Sep - 09 Oct Korean Air direct
26 Sep - 04 Oct Thai Airways direct
30 Sep - 07 Oct Asiana 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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