The best month to fly between Surabaya and Kuala Lumpur is February and the most expensive month to fly is June. (Average prices, based on 16505 datapoints.)
The best day to arrive at Surabaya is Tuesday and it would be best to avoid Saturday, as prices are on average 20.19% higher than on Tuesday. (Average prices, based on 15492 datapoints.)
The best time to fly is at around 16. (Average prices, based on 31269 datapoints.)