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

Return flights

20 Dec - 28 Dec	Singapore Airlines
21 Dec - 29 Dec	Singapore Airlines
24 Dec - 30 Dec	Singapore Airlines
23 Dec - 31 Dec	Singapore Airlines
24 Dec - 30 Dec	Royal Brunei	direct
23 Dec - 31 Dec	Royal Brunei	direct
14 Dec - 30 Dec	AirAsia X
20 Dec - 30 Dec	AirAsia X
21 Dec - 30 Dec	AirAsia X
14 Dec - 03 Jan	AirAsia X
14 Dec - 04 Jan	AirAsia X
20 Dec - 03 Jan	AirAsia X
20 Dec - 04 Jan	AirAsia X
21 Dec - 03 Jan	AirAsia X
21 Dec - 04 Jan	AirAsia X
14 Dec - 28 Dec	AirAsia X
31 Dec - 04 Jan	AirAsia X
24 Dec - 03 Jan	AirAsia X
24 Dec - 04 Jan	AirAsia X
30 Dec - 03 Jan	AirAsia X

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

Book a cheap hotel in Bandar Seri Begawan

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Cheapest return flights from Seoul to Bandar Seri Begawan in December from $504

Return flights