The best month to fly between Surabaya and Banjarmasin is March and the most expensive month to fly is July. (Average prices, based on 1288 datapoints.)
The best day to arrive at Surabaya is Sunday and it would be best to avoid Thursday, as prices are on average 21.06% higher than on Sunday. (Average prices, based on 60449917 datapoints.)
The best time to fly is at around 15. (Average prices, based on 21284 datapoints.)