Cheapest one-way flights from Bangkok to Bandar Seri Begawan in September from $150

AirHint found the following cheapest one-way flights from Bangkok (BKK) to Bandar Seri Begawan (BWN) in September 2025 (see full year).

One-Way flights

29 Sep Thai AirAsia
12 Sep Thai Lion Air
02 Sep Thai AirAsia
10 Sep Royal Brunei direct
23 Sep Royal Brunei direct
11 Sep Singapore Airlines
02 Sep Royal Brunei direct
12 Sep Royal Brunei direct
08 Sep Singapore Airlines

Also check the deals for return flights from Bangkok to Bandar Seri Begawan in September.

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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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