Cheapest one-way flights from Seoul to Bangkok in September from 83€

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

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

One-Way flights

23 Sep Vietnam Airlines
17 Sep Vietnam Airlines
23 Sep Thai AirAsia X direct
17 Sep Thai AirAsia X direct
21 Sep Vietnam Airlines
10 Sep Vietnam Airlines
07 Sep Vietnam Airlines
01 Sep Vietnam Airlines
28 Sep Vietnam Airlines
27 Sep Vietnam Airlines

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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