AirHint found the following cheapest one-way flights from Bangkok (DMK) to Seoul (ICN) in August 2026 (see full year).

One-Way flights

27 Aug	Thai AirAsia X	direct
26 Aug	Thai AirAsia X	direct
19 Aug	Thai AirAsia X	direct
29 Aug	Thai AirAsia X	direct
28 Aug	Thai AirAsia X	direct
10 Aug	Thai AirAsia X	direct
31 Aug	Thai AirAsia X	direct
01 Aug	Thai AirAsia X	direct
07 Aug	Thai AirAsia X	direct
18 Aug	Thai AirAsia X	direct

Also check the deals for return flights from Bangkok to Seoul in August.

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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Cheapest one-way flights from Bangkok to Seoul in August from 188€

One-Way flights