Cheapest return flights from Seoul to Bangkok in September from 159€

Best time to book flights for Seoul (ICN) to Bangkok (DMK) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Bangkok (DMK) in September 2025 (see full year).

Return flights

04 Sep - 26 Sep Thai AirAsia X direct
03 Sep - 22 Sep Thai AirAsia X direct
29 Sep - 30 Sep Thai AirAsia X direct
28 Sep - 30 Sep Thai AirAsia X direct
09 Sep - 30 Sep Thai AirAsia X direct
09 Sep - 22 Sep Thai AirAsia X direct
07 Sep - 22 Sep Thai AirAsia X direct
16 Sep - 30 Sep Thai AirAsia X direct
16 Sep - 22 Sep Thai AirAsia X direct
26 Sep - 30 Sep Thai AirAsia X direct
29 Sep - 20 Oct Thai AirAsia X direct
29 Sep - 17 Oct Thai AirAsia X direct
28 Sep - 17 Oct Thai AirAsia X direct
26 Sep - 17 Oct Thai AirAsia X direct
27 Sep - 17 Oct Thai AirAsia X direct
29 Sep - 16 Oct Thai AirAsia X direct
29 Sep - 18 Oct Thai AirAsia X direct
28 Sep - 16 Oct Thai AirAsia X direct
28 Sep - 18 Oct Thai AirAsia X direct
26 Sep - 16 Oct Thai AirAsia X direct

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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