Cheapest one-way flights from Bangkok to Seoul in September from $172

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

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

One-Way flights

03 Sep Thai AirAsia X direct
21 Sep Thai AirAsia X direct
08 Sep Thai AirAsia X direct
02 Sep Thai AirAsia X direct
14 Sep Thai AirAsia X direct
06 Sep Thai AirAsia X direct
20 Sep Thai AirAsia X direct
09 Sep Thai AirAsia X direct
23 Sep Thai AirAsia X direct
17 Sep Thai AirAsia X direct

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

Skyscanner

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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