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

Return flights

23 Sep - 27 Sep	Philippines AirAsia Inc.
27 Sep - 30 Sep	Philippines AirAsia Inc.
10 Sep - 13 Sep	Philippines AirAsia Inc.
01 Sep - 04 Sep	Philippines AirAsia Inc.
20 Sep - 23 Sep	Philippines AirAsia Inc.
09 Sep - 16 Sep	Philippines AirAsia Inc.
02 Sep - 22 Sep	AirAsia X
03 Sep - 22 Sep	AirAsia X
02 Sep - 21 Sep	AirAsia X
03 Sep - 21 Sep	AirAsia X
29 Sep - 06 Oct	Singapore Airlines
29 Sep - 06 Oct	Royal Brunei	direct
22 Sep - 08 Oct	AirAsia X
22 Sep - 12 Oct	AirAsia X
22 Sep - 13 Oct	AirAsia X
27 Sep - 08 Oct	AirAsia X
27 Sep - 12 Oct	AirAsia X
27 Sep - 13 Oct	AirAsia X
27 Sep - 15 Oct	AirAsia X
28 Sep - 08 Oct	AirAsia X

Also check the deals for one-way flights from Tokyo to Bandar Seri Begawan in September.

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 September from 230€

Return flights