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

Return flights

04 Dec - 08 Dec	Philippines AirAsia Inc.
04 Dec - 07 Dec	Singapore Airlines
08 Dec - 12 Dec	Philippines AirAsia Inc.
08 Dec - 12 Dec	Royal Brunei	direct
24 Dec - 29 Dec	Royal Brunei	direct
27 Dec - 03 Jan	Philippines AirAsia Inc.
30 Dec - 03 Jan	Cebu Pacific
14 Dec - 29 Dec	AirAsia X
14 Dec - 28 Dec	AirAsia X
14 Dec - 31 Dec	AirAsia X
14 Dec - 02 Jan	AirAsia X
22 Dec - 09 Jan	AirAsia X
22 Dec - 29 Dec	AirAsia X
14 Dec - 22 Dec	AirAsia X
24 Dec - 09 Jan	AirAsia X
22 Dec - 02 Jan	AirAsia X
29 Dec - 09 Jan	AirAsia X
24 Dec - 02 Jan	AirAsia X
13 Dec - 02 Jan	AirAsia X
29 Dec - 02 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 377€

Return flights