The best month to fly between Surabaya and Banjarmasin is March and the most expensive month to fly is May. (Average prices, based on 3520 datapoints.)
The best day to arrive at Surabaya is Sunday and it would be best to avoid Tuesday, as prices are on average 31.65% higher than on Sunday. (Average prices, based on 63436352 datapoints.)
The best time to fly is at around 15. (Average prices, based on 23523 datapoints.)