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 Tuesday and it would be best to avoid Monday, as prices are on average 4.37% higher than on Tuesday. (Average prices, based on 65175701 datapoints.)
The best time to fly is at around 16. (Average prices, based on 21464 datapoints.)