The best month to fly between Bandar Seri Begawan and Surabaya is January and the most expensive month to fly is August. (Average prices, based on 270 datapoints.)
The best day to arrive at Bandar Seri Begawan is Tuesday and it would be best to avoid Friday, as prices are on average 95.38% higher than on Tuesday. (Average prices, based on 1505854 datapoints.)