Cheapest one-way flights from Seoul to Bangkok in September from 42€

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

One-Way flights

14 Sep Jeju Air direct
20 Sep Jeju Air direct
21 Sep Jeju Air direct
13 Sep Jeju Air direct
24 Sep Jeju Air direct
07 Sep Jeju Air direct
25 Sep Jeju Air direct
17 Sep Jeju Air direct
18 Sep Jeju Air direct
23 Sep Eastar Jet direct

Also check the deals for return flights from Seoul to Bangkok 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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