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

Return flights

20 Oct - 22 Oct	Royal Brunei	direct
14 Oct - 22 Oct	Indonesia AirAsia
03 Oct - 22 Oct	Indonesia AirAsia
03 Oct - 06 Oct	Indonesia AirAsia
03 Oct - 10 Oct	Indonesia AirAsia
20 Oct - 08 Nov	Indonesia AirAsia
06 Oct - 08 Oct	Royal Brunei	direct
14 Oct - 27 Oct	Indonesia AirAsia
14 Oct - 16 Oct	Indonesia AirAsia
20 Oct - 27 Oct	Indonesia AirAsia
03 Oct - 11 Oct	Indonesia AirAsia
20 Oct - 07 Nov	Indonesia AirAsia

Also check the deals for one-way flights from Surabaya 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 Surabaya to Bandar Seri Begawan in October from $247

Return flights