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

Return flights

14 Dec - 22 Dec	Royal Brunei
28 Dec - 14 Jan	AirAsia
28 Dec - 15 Jan	AirAsia
28 Dec - 13 Jan	AirAsia
03 Dec - 06 Dec	AirAsia
27 Dec - 14 Jan	AirAsia
27 Dec - 15 Jan	AirAsia
27 Dec - 13 Jan	AirAsia
03 Dec - 12 Dec	AirAsia
10 Dec - 12 Dec	AirAsia
03 Dec - 20 Dec	AirAsia
03 Dec - 21 Dec	AirAsia
28 Dec - 04 Jan	AirAsia
28 Dec - 31 Dec	AirAsia
28 Dec - 30 Dec	AirAsia
10 Dec - 20 Dec	AirAsia
10 Dec - 21 Dec	AirAsia
27 Dec - 04 Jan	AirAsia
14 Dec - 04 Jan	AirAsia

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

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 December from $508

Return flights