The best month to fly between Banjarmasin and Surabaya is January and the most expensive month to fly is November. (Average prices, based on 1461 datapoints.)
The best day to arrive at Banjarmasin is Monday and it would be best to avoid Thursday, as prices are on average 6.23% higher than on Monday. (Average prices, based on 64665063 datapoints.)
The best time to fly is at around 16. (Average prices, based on 21462 datapoints.)