The best month to fly between Surabaya and Kuala Lumpur is October and the most expensive month to fly is June. (Average prices, based on 27487 datapoints.)
The best day to arrive at Surabaya is Tuesday and it would be best to avoid Saturday, as prices are on average 13.95% higher than on Tuesday. (Average prices, based on 28511 datapoints.)
The best time to fly is at around 12. (Average prices, based on 33641 datapoints.)