AirHint found the following cheapest return flights from Bandar Seri Begawan (BWN) to Seoul (ICN) in September 2025 (see full year).

Return flights

23 Sep - 14 Oct	AirAsia
28 Sep - 14 Oct	AirAsia
23 Sep - 24 Sep	AirAsia
23 Sep - 13 Oct	AirAsia
28 Sep - 18 Oct	AirAsia
28 Sep - 16 Oct	AirAsia
28 Sep - 13 Oct	AirAsia
23 Sep - 10 Oct	AirAsia
28 Sep - 10 Oct	AirAsia
23 Sep - 07 Oct	AirAsia
27 Sep - 14 Oct	AirAsia
23 Sep - 25 Sep	AirAsia
17 Sep - 24 Sep	AirAsia
23 Sep - 27 Sep	AirAsia
10 Sep - 23 Sep	Indonesia AirAsia
08 Sep - 10 Sep	AirAsia
08 Sep - 24 Sep	AirAsia
10 Sep - 17 Sep	Indonesia AirAsia
16 Sep - 24 Sep	AirAsia
17 Sep - 25 Sep	AirAsia

Also check the deals for one-way flights from Bandar Seri Begawan to Seoul in September.

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 return flights from Bandar Seri Begawan to Seoul in September from $368

Return flights