AirHint found the following cheapest return flights from Bangkok (BKK) to Bandar Seri Begawan (BWN) in October 2025 (see full year).

Return flights

01 Oct - 06 Oct	AirAsia
01 Oct - 10 Oct	Thai AirAsia
01 Oct - 13 Oct	Thai AirAsia
01 Oct - 03 Oct	Thai AirAsia
15 Oct - 24 Oct	Thai AirAsia
01 Oct - 14 Oct	Thai AirAsia
11 Oct - 14 Oct	Royal Brunei	direct
12 Oct - 14 Oct	Royal Brunei	direct
15 Oct - 02 Nov	Thai AirAsia
21 Oct - 24 Oct	AirAsia
14 Oct - 24 Oct	AirAsia
25 Oct - 02 Nov	AirAsia
21 Oct - 02 Nov	AirAsia
14 Oct - 02 Nov	AirAsia
24 Oct - 02 Nov	Thai AirAsia
13 Oct - 02 Nov	Thai AirAsia

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

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 Bangkok to Bandar Seri Begawan in October from $267

Return flights