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

Return flights

23 Sep - 27 Sep	AirAsia
23 Sep - 25 Sep	AirAsia
26 Sep - 27 Sep	AirAsia
30 Sep - 12 Oct	AirAsia
23 Sep - 12 Oct	AirAsia
30 Sep - 09 Oct	AirAsia
30 Sep - 11 Oct	AirAsia
23 Sep - 09 Oct	AirAsia
23 Sep - 11 Oct	AirAsia
22 Sep - 27 Sep	AirAsia
24 Sep - 27 Sep	AirAsia
30 Sep - 04 Oct	AirAsia
23 Sep - 04 Oct	AirAsia
20 Sep - 21 Sep	Royal Brunei	direct
23 Sep - 26 Sep	Royal Brunei	direct
30 Sep - 15 Oct	AirAsia
26 Sep - 12 Oct	AirAsia
22 Sep - 25 Sep	AirAsia
24 Sep - 25 Sep	AirAsia
11 Sep - 16 Sep	Royal Brunei	direct

Also check the deals for one-way flights from Bandar Seri Begawan to Singapore 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 Bandar Seri Begawan to Singapore in September from $241

Return flights