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

Return flights

12 Dec - 15 Dec	Singapore Airlines
01 Dec - 05 Dec	Singapore Airlines
01 Dec - 05 Dec	Royal Brunei	direct
07 Dec - 12 Dec	Singapore Airlines
01 Dec - 07 Dec	AirAsia X
21 Dec - 25 Dec	Singapore Airlines
12 Dec - 15 Dec	Royal Brunei	direct
07 Dec - 12 Dec	Royal Brunei	direct
01 Dec - 15 Dec	AirAsia X
01 Dec - 12 Dec	AirAsia X
26 Dec - 02 Jan	Royal Brunei	direct
15 Dec - 04 Jan	AirAsia X
21 Dec - 04 Jan	AirAsia X
15 Dec - 02 Jan	AirAsia X
21 Dec - 02 Jan	AirAsia X
14 Dec - 04 Jan	AirAsia X
12 Dec - 02 Jan	AirAsia X
27 Dec - 03 Jan	Cebu Pacific
14 Dec - 02 Jan	AirAsia X
28 Dec - 12 Jan	AirAsia X

Also check the deals for one-way flights from Tokyo 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 Tokyo to Bandar Seri Begawan in December from $525

Return flights