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

Return flights

15 Dec - 17 Dec	Royal Brunei
11 Dec - 15 Dec	AirAsia
31 Dec - 04 Jan	AirAsia
24 Dec - 04 Jan	Royal Brunei	direct
23 Dec - 04 Jan	Royal Brunei	direct
18 Dec - 19 Dec	AirAsia
24 Dec - 28 Dec	Royal Brunei	direct
30 Dec - 01 Jan	AirAsia
21 Dec - 25 Dec	AirAsia
07 Dec - 09 Dec	Royal Brunei	direct
08 Dec - 12 Dec	AirAsia
31 Dec - 02 Jan	AirAsia
30 Dec - 01 Jan	Royal Brunei	direct
13 Dec - 14 Dec	Royal Brunei	direct
24 Dec - 27 Dec	Royal Brunei	direct
27 Dec - 29 Dec	Royal Brunei	direct
31 Dec - 04 Jan	Royal Brunei	direct
31 Dec - 02 Jan	Royal Brunei	direct

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 257€

Return flights