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 Wednesday and it would be best to avoid Sunday, as prices are on average 17.24% higher than on Wednesday. (Average prices, based on 1500290 datapoints.)