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

Return flights

25 Dec - 01 Jan	Royal Brunei	direct
20 Dec - 28 Dec	Singapore Airlines	direct
23 Dec - 29 Dec	Singapore Airlines	direct
23 Dec - 26 Dec	Singapore Airlines	direct
13 Dec - 14 Dec	Royal Brunei	direct
24 Dec - 28 Dec	Royal Brunei	direct
12 Dec - 14 Dec	Royal Brunei	direct
01 Dec - 07 Dec	Singapore Airlines	direct
20 Dec - 09 Jan	AirAsia
21 Dec - 09 Jan	AirAsia
25 Dec - 09 Jan	AirAsia
25 Dec - 13 Jan	AirAsia
01 Dec - 22 Dec	AirAsia
31 Dec - 21 Jan	AirAsia
31 Dec - 09 Jan	AirAsia
08 Dec - 26 Dec	AirAsia
08 Dec - 22 Dec	AirAsia
31 Dec - 17 Jan	AirAsia
28 Dec - 09 Jan	AirAsia
26 Dec - 09 Jan	AirAsia

Also check the deals for one-way flights from Singapore 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.

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Cheapest return flights from Singapore to Bandar Seri Begawan in December from $292

Return flights