The best month to fly between Banjarmasin and Surabaya is July and the most expensive month to fly is March. (Average prices, based on 6827 datapoints.)
The best day to arrive at Banjarmasin is Monday and it would be best to avoid Thursday, as prices are on average 16.71% higher than on Monday. (Average prices, based on 60319623 datapoints.)
The best time to fly is at around 16. (Average prices, based on 26833 datapoints.)