The best month to fly between Singapore and Surabaya is August and the most expensive month to fly is July. (Average prices, based on 346 datapoints.)
The best day to arrive at Singapore is Friday and it would be best to avoid Thursday, as prices are on average 31.1% higher than on Friday. (Average prices, based on 10048746 datapoints.)
The cheapest airline flying from Singapore to Surabaya is JetStar Asia. They are 49% cheaper than Garuda Indonesia. (Average prices, based on 350 datapoints.)
The best time to fly is at around 12. (Average prices, based on 5257 datapoints.)